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MDEV-10141: Add support for INTERSECT (and common parts for EXCEPT)

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MDEV-10140: Add support for EXCEPT
This commit is contained in:
Oleksandr Byelkin
2017-01-22 12:31:32 +01:00
parent a4652c3b1a
commit 7aa09a5ed2
93 changed files with 3155 additions and 900 deletions
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6
include/m_string.h
View File

@@ -230,6 +230,12 @@ static inline void lex_string_set(LEX_STRING *lex_str, const char *c_str)
lex_str->str= (char *) c_str; lex_str->str= (char *) c_str;
lex_str->length= strlen(c_str); lex_str->length= strlen(c_str);
} }
static inline void lex_string_set3(LEX_STRING *lex_str, const char *c_str,
size_t len)
{
lex_str->str= (char *) c_str;
lex_str->length= len;
}
#ifdef __cplusplus #ifdef __cplusplus
static inline char *safe_str(char *str) static inline char *safe_str(char *str)

2
mysql-test/include/gis_generic.inc
View File

@@ -236,7 +236,7 @@ SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS mbrwithin FROM t1 a1 JOIN t1
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS contains FROM t1 a1 JOIN t1 a2 ON Contains( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS contains FROM t1 a1 JOIN t1 a2 ON Contains( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS disjoint FROM t1 a1 JOIN t1 a2 ON Disjoint( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS disjoint FROM t1 a1 JOIN t1 a2 ON Disjoint( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS equals FROM t1 a1 JOIN t1 a2 ON Equals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS equals FROM t1 a1 JOIN t1 a2 ON Equals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersect FROM t1 a1 JOIN t1 a2 ON Intersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersects FROM t1 a1 JOIN t1 a2 ON Intersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS overlaps FROM t1 a1 JOIN t1 a2 ON Overlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS overlaps FROM t1 a1 JOIN t1 a2 ON Overlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS touches FROM t1 a1 JOIN t1 a2 ON Touches( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS touches FROM t1 a1 JOIN t1 a2 ON Touches( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS within FROM t1 a1 JOIN t1 a2 ON Within( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS within FROM t1 a1 JOIN t1 a2 ON Within( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;

1
mysql-test/r/analyze_format_json.result
View File

@@ -451,6 +451,7 @@ ANALYZE
{ {
"query_block": { "query_block": {
"select_id": 2, "select_id": 2,
"operation": "UNION",
"r_loops": 1, "r_loops": 1,
"r_total_time_ms": "REPLACED", "r_total_time_ms": "REPLACED",
"table": { "table": {

2
mysql-test/r/compare.result
View File

@@ -88,7 +88,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`a` AS `a`,<expr_cache><`test`.`t2`.`a`>((select count(0) from `test`.`t1` where `test`.`t1`.`b` = `test`.`t2`.`a` and concat(`test`.`t1`.`b`,`test`.`t1`.`c`) = concat('0',`test`.`t2`.`a`,'01'))) AS `x` from `test`.`t2` order by `test`.`t2`.`a` Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,<expr_cache><`test`.`t2`.`a`>((/* select#2 */ select count(0) from `test`.`t1` where `test`.`t1`.`b` = `test`.`t2`.`a` and concat(`test`.`t1`.`b`,`test`.`t1`.`c`) = concat('0',`test`.`t2`.`a`,'01'))) AS `x` from `test`.`t2` order by `test`.`t2`.`a`
DROP TABLE t1,t2; DROP TABLE t1,t2;
CREATE TABLE t1 (a TIMESTAMP); CREATE TABLE t1 (a TIMESTAMP);
INSERT INTO t1 VALUES (NOW()),(NOW()),(NOW()); INSERT INTO t1 VALUES (NOW()),(NOW()),(NOW());

15
mysql-test/r/cte_recursive.result
View File

@@ -699,7 +699,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
NULL UNION RESULT <union3,4,5> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union3,4,5> ALL NULL NULL NULL NULL NULL NULL
2 UNCACHEABLE SUBQUERY <derived3> ALL NULL NULL NULL NULL 12 100.00 Using where 2 UNCACHEABLE SUBQUERY <derived3> ALL NULL NULL NULL NULL 12 100.00 Using where
Warnings: Warnings:
Note 1003 with recursive ancestor_couple_ids as (select `a`.`father` AS `h_id`,`a`.`mother` AS `w_id` from `coupled_ancestors` `a` where `a`.`father` is not null and `a`.`mother` is not null), coupled_ancestors as (select `test`.`folks`.`id` AS `id`,`test`.`folks`.`name` AS `name`,`test`.`folks`.`dob` AS `dob`,`test`.`folks`.`father` AS `father`,`test`.`folks`.`mother` AS `mother` from `test`.`folks` where `test`.`folks`.`name` = 'Me' union all select `test`.`p`.`id` AS `id`,`test`.`p`.`name` AS `name`,`test`.`p`.`dob` AS `dob`,`test`.`p`.`father` AS `father`,`test`.`p`.`mother` AS `mother` from `test`.`folks` `p` join `ancestor_couple_ids` `fa` where `test`.`p`.`id` = `fa`.`h_id` union all select `test`.`p`.`id` AS `id`,`test`.`p`.`name` AS `name`,`test`.`p`.`dob` AS `dob`,`test`.`p`.`father` AS `father`,`test`.`p`.`mother` AS `mother` from `test`.`folks` `p` join `ancestor_couple_ids` `ma` where `test`.`p`.`id` = `ma`.`w_id`)select `h`.`name` AS `name`,`h`.`dob` AS `dob`,`w`.`name` AS `name`,`w`.`dob` AS `dob` from `ancestor_couple_ids` `c` join `coupled_ancestors` `h` join `coupled_ancestors` `w` where `h`.`id` = `c`.`h_id` and `w`.`id` = `c`.`w_id` Note 1003 with recursive ancestor_couple_ids as (/* select#2 */ select `a`.`father` AS `h_id`,`a`.`mother` AS `w_id` from `coupled_ancestors` `a` where `a`.`father` is not null and `a`.`mother` is not null), coupled_ancestors as (/* select#3 */ select `test`.`folks`.`id` AS `id`,`test`.`folks`.`name` AS `name`,`test`.`folks`.`dob` AS `dob`,`test`.`folks`.`father` AS `father`,`test`.`folks`.`mother` AS `mother` from `test`.`folks` where `test`.`folks`.`name` = 'Me' union all /* select#4 */ select `test`.`p`.`id` AS `id`,`test`.`p`.`name` AS `name`,`test`.`p`.`dob` AS `dob`,`test`.`p`.`father` AS `father`,`test`.`p`.`mother` AS `mother` from `test`.`folks` `p` join `ancestor_couple_ids` `fa` where `test`.`p`.`id` = `fa`.`h_id` union all /* select#5 */ select `test`.`p`.`id` AS `id`,`test`.`p`.`name` AS `name`,`test`.`p`.`dob` AS `dob`,`test`.`p`.`father` AS `father`,`test`.`p`.`mother` AS `mother` from `test`.`folks` `p` join `ancestor_couple_ids` `ma` where `test`.`p`.`id` = `ma`.`w_id`)/* select#1 */ select `h`.`name` AS `name`,`h`.`dob` AS `dob`,`w`.`name` AS `name`,`w`.`dob` AS `dob` from `ancestor_couple_ids` `c` join `coupled_ancestors` `h` join `coupled_ancestors` `w` where `h`.`id` = `c`.`h_id` and `w`.`id` = `c`.`w_id`
# simple mutual recursion # simple mutual recursion
with recursive with recursive
ancestor_couple_ids(h_id, w_id) ancestor_couple_ids(h_id, w_id)
@@ -882,7 +882,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 RECURSIVE UNION <derived2> ALL NULL NULL NULL NULL 12 100.00 Using where; Using join buffer (flat, BNL join) 3 RECURSIVE UNION <derived2> ALL NULL NULL NULL NULL 12 100.00 Using where; Using join buffer (flat, BNL join)
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 with recursive ancestors as (select `test`.`folks`.`id` AS `id`,`test`.`folks`.`name` AS `name`,`test`.`folks`.`dob` AS `dob`,`test`.`folks`.`father` AS `father`,`test`.`folks`.`mother` AS `mother` from `test`.`folks` where `test`.`folks`.`name` = 'Me' and `test`.`folks`.`dob` = DATE'2000-01-01' union select `p`.`id` AS `id`,`p`.`name` AS `name`,`p`.`dob` AS `dob`,`p`.`father` AS `father`,`p`.`mother` AS `mother` from `test`.`folks` `p` join `ancestors` `a` where `a`.`father` = `p`.`id` or `a`.`mother` = `p`.`id`)select `ancestors`.`id` AS `id`,`ancestors`.`name` AS `name`,`ancestors`.`dob` AS `dob`,`ancestors`.`father` AS `father`,`ancestors`.`mother` AS `mother` from `ancestors` Note 1003 with recursive ancestors as (/* select#2 */ select `test`.`folks`.`id` AS `id`,`test`.`folks`.`name` AS `name`,`test`.`folks`.`dob` AS `dob`,`test`.`folks`.`father` AS `father`,`test`.`folks`.`mother` AS `mother` from `test`.`folks` where `test`.`folks`.`name` = 'Me' and `test`.`folks`.`dob` = DATE'2000-01-01' union /* select#3 */ select `p`.`id` AS `id`,`p`.`name` AS `name`,`p`.`dob` AS `dob`,`p`.`father` AS `father`,`p`.`mother` AS `mother` from `test`.`folks` `p` join `ancestors` `a` where `a`.`father` = `p`.`id` or `a`.`mother` = `p`.`id`)/* select#1 */ select `ancestors`.`id` AS `id`,`ancestors`.`name` AS `name`,`ancestors`.`dob` AS `dob`,`ancestors`.`father` AS `father`,`ancestors`.`mother` AS `mother` from `ancestors`
# recursive spec with two anchor selects and two recursive ones # recursive spec with two anchor selects and two recursive ones
with recursive with recursive
ancestor_ids (id) ancestor_ids (id)
@@ -1353,6 +1353,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 4, "select_id": 4,
"operation": "UNION",
"table": { "table": {
"table_name": "folks", "table_name": "folks",
"access_type": "ALL", "access_type": "ALL",
@@ -1365,6 +1366,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 6, "select_id": 6,
"operation": "UNION",
"table": { "table": {
"table_name": "<derived3>", "table_name": "<derived3>",
"access_type": "ALL", "access_type": "ALL",
@@ -1380,6 +1382,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 3, "select_id": 3,
"operation": "UNION",
"table": { "table": {
"table_name": "folks", "table_name": "folks",
"access_type": "ALL", "access_type": "ALL",
@@ -1392,6 +1395,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 2, "select_id": 2,
"operation": "UNION",
"table": { "table": {
"table_name": "folks", "table_name": "folks",
"access_type": "ALL", "access_type": "ALL",
@@ -1423,6 +1427,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 5, "select_id": 5,
"operation": "UNION",
"table": { "table": {
"table_name": "<derived4>", "table_name": "<derived4>",
"access_type": "ALL", "access_type": "ALL",
@@ -1484,6 +1489,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 3, "select_id": 3,
"operation": "UNION",
"table": { "table": {
"table_name": "v", "table_name": "v",
"access_type": "ALL", "access_type": "ALL",
@@ -1518,6 +1524,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 2, "select_id": 2,
"operation": "UNION",
"table": { "table": {
"table_name": "<derived4>", "table_name": "<derived4>",
"access_type": "ALL", "access_type": "ALL",
@@ -1750,6 +1757,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 2, "select_id": 2,
"operation": "UNION",
"table": { "table": {
"table_name": "t1", "table_name": "t1",
"access_type": "ALL", "access_type": "ALL",
@@ -1761,6 +1769,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 3, "select_id": 3,
"operation": "UNION",
"table": { "table": {
"table_name": "<derived2>", "table_name": "<derived2>",
"access_type": "ALL", "access_type": "ALL",
@@ -2378,6 +2387,7 @@ ANALYZE
{ {
"query_block": { "query_block": {
"select_id": 2, "select_id": 2,
"operation": "UNION",
"table": { "table": {
"message": "No tables used" "message": "No tables used"
} }
@@ -2386,6 +2396,7 @@ ANALYZE
{ {
"query_block": { "query_block": {
"select_id": 3, "select_id": 3,
"operation": "UNION",
"r_loops": 10, "r_loops": 10,
"r_total_time_ms": "REPLACED", "r_total_time_ms": "REPLACED",
"table": { "table": {

2
mysql-test/r/derived.result
View File

@@ -632,7 +632,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DERIVED t1 system NULL NULL NULL NULL 1 100.00 2 DERIVED t1 system NULL NULL NULL NULL 1 100.00
Warnings: Warnings:
Note 1276 Field or reference 'sq.f2' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'sq.f2' of SELECT #3 was resolved in SELECT #1
Note 1003 select 6 AS `f1` from <materialize> (select `test`.`t2`.`f3` from `test`.`t2` having `test`.`t2`.`f3` >= 8) semi join (`test`.`t2`) where `test`.`t2`.`f3` = 6 and `<subquery4>`.`f3` = 9 Note 1003 /* select#1 */ select 6 AS `f1` from <materialize> (/* select#4 */ select `test`.`t2`.`f3` from `test`.`t2` having `test`.`t2`.`f3` >= 8) semi join (`test`.`t2`) where `test`.`t2`.`f3` = 6 and `<subquery4>`.`f3` = 9
DROP TABLE t2,t1; DROP TABLE t2,t1;
# #
# MDEV-9462: Out of memory using explain on 2 empty tables # MDEV-9462: Out of memory using explain on 2 empty tables

18
mysql-test/r/derived_cond_pushdown.result
View File

@@ -4111,6 +4111,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 2, "select_id": 2,
"operation": "UNION",
"table": { "table": {
"table_name": "t2", "table_name": "t2",
"access_type": "ALL", "access_type": "ALL",
@@ -4254,6 +4255,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 2, "select_id": 2,
"operation": "UNION",
"table": { "table": {
"table_name": "t2", "table_name": "t2",
"access_type": "ALL", "access_type": "ALL",
@@ -4408,6 +4410,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 2, "select_id": 2,
"operation": "UNION",
"table": { "table": {
"table_name": "t2", "table_name": "t2",
"access_type": "ALL", "access_type": "ALL",
@@ -4564,6 +4567,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 2, "select_id": 2,
"operation": "UNION",
"table": { "table": {
"table_name": "t2", "table_name": "t2",
"access_type": "ALL", "access_type": "ALL",
@@ -4607,6 +4611,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 3, "select_id": 3,
"operation": "UNION",
"table": { "table": {
"table_name": "t2", "table_name": "t2",
"access_type": "ALL", "access_type": "ALL",
@@ -4730,6 +4735,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 3, "select_id": 3,
"operation": "UNION",
"having_condition": "c < 300 and c > 100", "having_condition": "c < 300 and c > 100",
"filesort": { "filesort": {
"sort_key": "t1.a, t1.b", "sort_key": "t1.a, t1.b",
@@ -4838,6 +4844,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 3, "select_id": 3,
"operation": "UNION",
"having_condition": "c < 300 and (t1.a < 2 or c > 800)", "having_condition": "c < 300 and (t1.a < 2 or c > 800)",
"filesort": { "filesort": {
"sort_key": "t1.a, t1.b", "sort_key": "t1.a, t1.b",
@@ -4933,6 +4940,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 3, "select_id": 3,
"operation": "UNION",
"having_condition": "c < 300 and c < 200", "having_condition": "c < 300 and c < 200",
"filesort": { "filesort": {
"sort_key": "t1.b", "sort_key": "t1.b",
@@ -5130,6 +5138,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 3, "select_id": 3,
"operation": "UNION",
"having_condition": "c < 300", "having_condition": "c < 300",
"filesort": { "filesort": {
"sort_key": "t1.b", "sort_key": "t1.b",
@@ -5234,6 +5243,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 3, "select_id": 3,
"operation": "UNION",
"having_condition": "c < 300 and c > 200", "having_condition": "c < 300 and c > 200",
"filesort": { "filesort": {
"sort_key": "t1.a, t1.b", "sort_key": "t1.a, t1.b",
@@ -5252,6 +5262,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 4, "select_id": 4,
"operation": "UNION",
"having_condition": "c < 707 and c > 200", "having_condition": "c < 707 and c > 200",
"filesort": { "filesort": {
"sort_key": "t1.a, t1.b", "sort_key": "t1.a, t1.b",
@@ -5395,6 +5406,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 3, "select_id": 3,
"operation": "UNION",
"table": { "table": {
"table_name": "t1", "table_name": "t1",
"access_type": "ALL", "access_type": "ALL",
@@ -5512,6 +5524,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 3, "select_id": 3,
"operation": "UNION",
"table": { "table": {
"table_name": "t1", "table_name": "t1",
"access_type": "ALL", "access_type": "ALL",
@@ -5597,6 +5610,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 3, "select_id": 3,
"operation": "UNION",
"table": { "table": {
"table_name": "t1", "table_name": "t1",
"access_type": "ALL", "access_type": "ALL",
@@ -5685,6 +5699,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 3, "select_id": 3,
"operation": "UNION",
"table": { "table": {
"table_name": "t1", "table_name": "t1",
"access_type": "ALL", "access_type": "ALL",
@@ -5792,6 +5807,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 3, "select_id": 3,
"operation": "UNION",
"table": { "table": {
"table_name": "t1", "table_name": "t1",
"access_type": "ALL", "access_type": "ALL",
@@ -6996,7 +7012,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived3> ALL NULL NULL NULL NULL 2 100.00 Using where 1 PRIMARY <derived3> ALL NULL NULL NULL NULL 2 100.00 Using where
3 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 3 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00
Warnings: Warnings:
Note 1003 select `sq1`.`f` AS `f` from (select min(`test`.`t1`.`i`) AS `f` from `test`.`t1` having `f` = 8) `sq1` where `sq1`.`f` = 8 Note 1003 /* select#1 */ select `sq1`.`f` AS `f` from (/* select#3 */ select min(`test`.`t1`.`i`) AS `f` from `test`.`t1` having `f` = 8) `sq1` where `sq1`.`f` = 8
SELECT * SELECT *
FROM ( SELECT * FROM ( SELECT MIN(i) as f FROM t1 ) sq1 ) AS sq2 FROM ( SELECT * FROM ( SELECT MIN(i) as f FROM t1 ) sq1 ) AS sq2
WHERE f = 8; WHERE f = 8;

48
mysql-test/r/derived_view.result
View File

@@ -194,7 +194,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 11 100.00 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 11 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `tt`.`f1` AS `f1`,`tt`.`f11` AS `f11` from (select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11` from `test`.`t1` group by `test`.`t1`.`f1`) `tt` Note 1003 /* select#1 */ select `tt`.`f1` AS `f1`,`tt`.`f11` AS `f11` from (/* select#2 */ select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11` from `test`.`t1` group by `test`.`t1`.`f1`) `tt`
select * from (select * from t1 having f1=f1) tt; select * from (select * from t1 having f1=f1) tt;
f1 f11 f1 f11
1 1 1 1
@@ -216,7 +216,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ref key0 key0 5 test.t1.f1 2 100.00 1 PRIMARY <derived2> ref key0 key0 5 test.t1.f1 2 100.00
2 DERIVED t2 ALL NULL NULL NULL NULL 11 100.00 Using temporary; Using filesort 2 DERIVED t2 ALL NULL NULL NULL NULL 11 100.00 Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11`,`tt`.`f2` AS `f2`,`tt`.`f22` AS `f22` from `test`.`t1` join (select `test`.`t2`.`f2` AS `f2`,`test`.`t2`.`f22` AS `f22` from `test`.`t2` group by `test`.`t2`.`f2`) `tt` where `tt`.`f2` = `test`.`t1`.`f1` Note 1003 /* select#1 */ select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11`,`tt`.`f2` AS `f2`,`tt`.`f22` AS `f22` from `test`.`t1` join (/* select#2 */ select `test`.`t2`.`f2` AS `f2`,`test`.`t2`.`f22` AS `f22` from `test`.`t2` group by `test`.`t2`.`f2`) `tt` where `tt`.`f2` = `test`.`t1`.`f1`
select * from t1 join (select * from t2 group by f2) tt on f1=f2; select * from t1 join (select * from t2 group by f2) tt on f1=f2;
f1 f11 f2 f22 f1 f11 f2 f22
1 1 1 1 1 1 1 1
@@ -269,7 +269,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 11 100.00 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 11 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `v1`.`f1` AS `f1`,`v1`.`f11` AS `f11` from `test`.`v1` Note 1003 /* select#1 */ select `v1`.`f1` AS `f1`,`v1`.`f11` AS `f11` from `test`.`v1`
select * from v1; select * from v1;
f1 f11 f1 f11
1 1 1 1
@@ -290,7 +290,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ref key0 key0 5 test.t1.f1 2 100.00 1 PRIMARY <derived2> ref key0 key0 5 test.t1.f1 2 100.00
2 DERIVED t2 ALL NULL NULL NULL NULL 11 100.00 Using temporary; Using filesort 2 DERIVED t2 ALL NULL NULL NULL NULL 11 100.00 Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11`,`v2`.`f2` AS `f2`,`v2`.`f22` AS `f22` from `test`.`t1` join `test`.`v2` where `v2`.`f2` = `test`.`t1`.`f1` Note 1003 /* select#1 */ select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11`,`v2`.`f2` AS `f2`,`v2`.`f22` AS `f22` from `test`.`t1` join `test`.`v2` where `v2`.`f2` = `test`.`t1`.`f1`
select * from t1 join v2 on f1=f2; select * from t1 join v2 on f1=f2;
f1 f11 f2 f22 f1 f11 f2 f22
1 1 1 1 1 1 1 1
@@ -307,7 +307,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 2 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00
2 DERIVED t11 ALL NULL NULL NULL NULL 11 100.00 Using where; Using join buffer (flat, BNL join) 2 DERIVED t11 ALL NULL NULL NULL NULL 11 100.00 Using where; Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11`,`v31`.`f1` AS `f1`,`v31`.`f11` AS `f11`,`v3`.`f1` AS `f1`,`v3`.`f11` AS `f11` from `test`.`t1` join `test`.`v3` `v31` join `test`.`v3` where `v31`.`f1` = `test`.`t1`.`f1` and `v3`.`f1` = `test`.`t1`.`f1` Note 1003 /* select#1 */ select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11`,`v31`.`f1` AS `f1`,`v31`.`f11` AS `f11`,`v3`.`f1` AS `f1`,`v3`.`f11` AS `f11` from `test`.`t1` join `test`.`v3` `v31` join `test`.`v3` where `v31`.`f1` = `test`.`t1`.`f1` and `v3`.`f1` = `test`.`t1`.`f1`
flush status; flush status;
select * from t1,v3 as v31,v3 where t1.f1=v31.f1 and t1.f1=v3.f1; select * from t1,v3 as v31,v3 where t1.f1=v31.f1 and t1.f1=v3.f1;
f1 f11 f1 f11 f1 f11 f1 f11 f1 f11 f1 f11
@@ -374,7 +374,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ref key0 key0 5 test.t2.f2 2 100.00 1 PRIMARY <derived2> ref key0 key0 5 test.t2.f2 2 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `v1`.`f1` AS `f1`,`v1`.`f11` AS `f11`,`test`.`t2`.`f2` AS `f2`,`test`.`t2`.`f22` AS `f22` from `test`.`v1` join `test`.`t2` where `v1`.`f1` = `test`.`t2`.`f2` and `test`.`t2`.`f2` in (2,3) Note 1003 /* select#1 */ select `v1`.`f1` AS `f1`,`v1`.`f11` AS `f11`,`test`.`t2`.`f2` AS `f2`,`test`.`t2`.`f22` AS `f22` from `test`.`v1` join `test`.`t2` where `v1`.`f1` = `test`.`t2`.`f2` and `test`.`t2`.`f2` in (2,3)
explain format=json select * from v1 join v4 on f1=f2; explain format=json select * from v1 join v4 on f1=f2;
EXPLAIN EXPLAIN
{ {
@@ -440,7 +440,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived3> ALL NULL NULL NULL NULL 11 100.00 Using where 1 PRIMARY <derived3> ALL NULL NULL NULL NULL 11 100.00 Using where
3 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort 3 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `tt`.`f1` AS `f1`,`tt`.`f11` AS `f11` from (select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11` from `test`.`t1` where `test`.`t1`.`f1` < 7 and `test`.`t1`.`f1` > 2 group by `test`.`t1`.`f1`) `tt` where `tt`.`f1` > 2 Note 1003 /* select#1 */ select `tt`.`f1` AS `f1`,`tt`.`f11` AS `f11` from (/* select#3 */ select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11` from `test`.`t1` where `test`.`t1`.`f1` < 7 and `test`.`t1`.`f1` > 2 group by `test`.`t1`.`f1`) `tt` where `tt`.`f1` > 2
select * from (select * from select * from (select * from
(select * from t1 where f1 < 7 group by f1) tt where f1 > 2) zz; (select * from t1 where f1 < 7 group by f1) tt where f1 > 2) zz;
f1 f11 f1 f11
@@ -453,7 +453,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 11 100.00 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 11 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `zz`.`f1` AS `f1`,`zz`.`f11` AS `f11` from (select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11` from `test`.`t1` where `test`.`t1`.`f1` > 2 and `test`.`t1`.`f1` < 7 group by `test`.`t1`.`f1`) `zz` Note 1003 /* select#1 */ select `zz`.`f1` AS `f1`,`zz`.`f11` AS `f11` from (/* select#2 */ select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11` from `test`.`t1` where `test`.`t1`.`f1` > 2 and `test`.`t1`.`f1` < 7 group by `test`.`t1`.`f1`) `zz`
select * from (select * from select * from (select * from
(select * from t1 where f1 < 7) tt where f1 > 2 group by f1) zz; (select * from t1 where f1 < 7) tt where f1 > 2 group by f1) zz;
f1 f11 f1 f11
@@ -467,7 +467,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DERIVED <derived3> ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort 2 DERIVED <derived3> ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort
3 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort 3 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `zz`.`f1` AS `f1`,`zz`.`f11` AS `f11` from (select `tt`.`f1` AS `f1`,`tt`.`f11` AS `f11` from (select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11` from `test`.`t1` where `test`.`t1`.`f1` < 7 and `test`.`t1`.`f1` > 2 group by `test`.`t1`.`f1`) `tt` where `tt`.`f1` > 2 group by `tt`.`f1`) `zz` Note 1003 /* select#1 */ select `zz`.`f1` AS `f1`,`zz`.`f11` AS `f11` from (/* select#2 */ select `tt`.`f1` AS `f1`,`tt`.`f11` AS `f11` from (/* select#3 */ select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11` from `test`.`t1` where `test`.`t1`.`f1` < 7 and `test`.`t1`.`f1` > 2 group by `test`.`t1`.`f1`) `tt` where `tt`.`f1` > 2 group by `tt`.`f1`) `zz`
explain format=json select * from (select * from explain format=json select * from (select * from
(select * from t1 where f1 < 7 group by f1) tt where f1 > 2 group by f1) zz; (select * from t1 where f1 < 7 group by f1) tt where f1 > 2 group by f1) zz;
EXPLAIN EXPLAIN
@@ -533,7 +533,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
5 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort 5 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort
3 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort 3 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `tt`.`f1` AS `f1`,`tt`.`f11` AS `f11`,`tt`.`f1` AS `f1`,`tt`.`f11` AS `f11` from (select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11` from `test`.`t1` where `test`.`t1`.`f1` < 7 and `test`.`t1`.`f1` > 2 and `test`.`t1`.`f1` > 2 group by `test`.`t1`.`f1`) `tt` join (select `t1`.`f1` AS `f1`,`t1`.`f11` AS `f11` from `test`.`t1` where `t1`.`f1` < 7 and `t1`.`f1` > 2 and `t1`.`f1` > 2 group by `t1`.`f1`) `tt` where `tt`.`f1` = `tt`.`f1` and `tt`.`f1` > 2 and `tt`.`f1` > 2 Note 1003 /* select#1 */ select `tt`.`f1` AS `f1`,`tt`.`f11` AS `f11`,`tt`.`f1` AS `f1`,`tt`.`f11` AS `f11` from (/* select#3 */ select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11` from `test`.`t1` where `test`.`t1`.`f1` < 7 and `test`.`t1`.`f1` > 2 and `test`.`t1`.`f1` > 2 group by `test`.`t1`.`f1`) `tt` join (/* select#5 */ select `t1`.`f1` AS `f1`,`t1`.`f11` AS `f11` from `test`.`t1` where `t1`.`f1` < 7 and `t1`.`f1` > 2 and `t1`.`f1` > 2 group by `t1`.`f1`) `tt` where `tt`.`f1` = `tt`.`f1` and `tt`.`f1` > 2 and `tt`.`f1` > 2
explain format=json select * from explain format=json select * from
(select * from (select * from t1 where f1 < 7 group by f1) tt where f1 > 2) x (select * from (select * from t1 where f1 < 7 group by f1) tt where f1 > 2) x
join join
@@ -658,7 +658,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DERIVED <derived3> ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort 2 DERIVED <derived3> ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort
3 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort 3 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `x`.`f1` AS `f1`,`x`.`f11` AS `f11`,`z`.`f1` AS `f1`,`z`.`f11` AS `f11` from (select `tt`.`f1` AS `f1`,`tt`.`f11` AS `f11` from (select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11` from `test`.`t1` where `test`.`t1`.`f1` < 7 and `test`.`t1`.`f1` > 2 group by `test`.`t1`.`f1`) `tt` where `tt`.`f1` > 2 group by `tt`.`f1`) `x` join (select `tt`.`f1` AS `f1`,`tt`.`f11` AS `f11` from (select `t1`.`f1` AS `f1`,`t1`.`f11` AS `f11` from `test`.`t1` where `t1`.`f1` < 7 and `t1`.`f1` > 2 group by `t1`.`f1`) `tt` where `tt`.`f1` > 2 group by `tt`.`f1`) `z` where `z`.`f1` = `x`.`f1` Note 1003 /* select#1 */ select `x`.`f1` AS `f1`,`x`.`f11` AS `f11`,`z`.`f1` AS `f1`,`z`.`f11` AS `f11` from (/* select#2 */ select `tt`.`f1` AS `f1`,`tt`.`f11` AS `f11` from (/* select#3 */ select `test`.`t1`.`f1` AS `f1`,`test`.`t1`.`f11` AS `f11` from `test`.`t1` where `test`.`t1`.`f1` < 7 and `test`.`t1`.`f1` > 2 group by `test`.`t1`.`f1`) `tt` where `tt`.`f1` > 2 group by `tt`.`f1`) `x` join (/* select#4 */ select `tt`.`f1` AS `f1`,`tt`.`f11` AS `f11` from (/* select#5 */ select `t1`.`f1` AS `f1`,`t1`.`f11` AS `f11` from `test`.`t1` where `t1`.`f1` < 7 and `t1`.`f1` > 2 group by `t1`.`f1`) `tt` where `tt`.`f1` > 2 group by `tt`.`f1`) `z` where `z`.`f1` = `x`.`f1`
explain format=json select * from explain format=json select * from
(select * from (select * from
(select * from t1 where f1 < 7 group by f1) tt where f1 > 2 group by f1) x (select * from t1 where f1 < 7 group by f1) tt where f1 > 2 group by f1) x
@@ -775,7 +775,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 11 100.00 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 11 100.00
2 DERIVED t2 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort 2 DERIVED t2 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `tt`.`f2` AS `f2`,`tt`.`f22` AS `f22` from (select `test`.`t2`.`f2` AS `f2`,`test`.`t2`.`f22` AS `f22` from `test`.`t2` where `test`.`t2`.`f2` in (2,3) group by 1) `tt` Note 1003 /* select#1 */ select `tt`.`f2` AS `f2`,`tt`.`f22` AS `f22` from (/* select#2 */ select `test`.`t2`.`f2` AS `f2`,`test`.`t2`.`f22` AS `f22` from `test`.`t2` where `test`.`t2`.`f2` in (2,3) group by 1) `tt`
select * from (select * from v4 group by 1) tt; select * from (select * from v4 group by 1) tt;
f2 f22 f2 f22
2 2 2 2
@@ -787,7 +787,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived3> ALL NULL NULL NULL NULL 11 100.00 Using where 1 PRIMARY <derived3> ALL NULL NULL NULL NULL 11 100.00 Using where
3 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort 3 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `v1`.`f1` AS `f1`,`v1`.`f11` AS `f11` from `test`.`v1` where `v1`.`f1` < 7 Note 1003 /* select#1 */ select `v1`.`f1` AS `f1`,`v1`.`f11` AS `f11` from `test`.`v1` where `v1`.`f1` < 7
explain format=json explain format=json
select * from ( select * from v1 where f1 < 7) tt; select * from ( select * from v1 where f1 < 7) tt;
EXPLAIN EXPLAIN
@@ -845,7 +845,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DERIVED <derived4> ALL NULL NULL NULL NULL 11 100.00 Using temporary; Using filesort 2 DERIVED <derived4> ALL NULL NULL NULL NULL 11 100.00 Using temporary; Using filesort
4 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using temporary; Using filesort 4 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `tt`.`f1` AS `f1`,`tt`.`f11` AS `f11` from (select `v1`.`f1` AS `f1`,`v1`.`f11` AS `f11` from `test`.`v1` group by 1) `tt` Note 1003 /* select#1 */ select `tt`.`f1` AS `f1`,`tt`.`f11` AS `f11` from (/* select#2 */ select `v1`.`f1` AS `f1`,`v1`.`f11` AS `f11` from `test`.`v1` group by 1) `tt`
select * from (select * from v7 group by 1) tt; select * from (select * from v7 group by 1) tt;
f1 f11 f1 f11
1 1 1 1
@@ -866,7 +866,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived5> ref key0 key0 5 test.t2.f2 2 100.00 1 PRIMARY <derived5> ref key0 key0 5 test.t2.f2 2 100.00
5 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort 5 DERIVED t1 ALL NULL NULL NULL NULL 11 100.00 Using where; Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `test`.`t2`.`f2` AS `f2`,`test`.`t2`.`f22` AS `f22`,`v1`.`f1` AS `f1`,`v1`.`f11` AS `f11` from `test`.`t2` join `test`.`v1` where `v1`.`f1` = `test`.`t2`.`f2` and `test`.`t2`.`f2` < 7 and `test`.`t2`.`f2` in (2,3) Note 1003 /* select#1 */ select `test`.`t2`.`f2` AS `f2`,`test`.`t2`.`f22` AS `f22`,`v1`.`f1` AS `f1`,`v1`.`f11` AS `f11` from `test`.`t2` join `test`.`v1` where `v1`.`f1` = `test`.`t2`.`f2` and `test`.`t2`.`f2` < 7 and `test`.`t2`.`f2` in (2,3)
explain format=json select * from v6 join v7 on f2=f1; explain format=json select * from v6 join v7 on f2=f1;
EXPLAIN EXPLAIN
{ {
@@ -1143,7 +1143,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
3 DERIVED t1 ALL NULL NULL NULL NULL 3 100.00 Using temporary; Using filesort 3 DERIVED t1 ALL NULL NULL NULL NULL 3 100.00 Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <expr_cache><`test`.`t3`.`a`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(select `v1`.`a` from `test`.`v1` join `test`.`t2` where `test`.`t2`.`a` = `v1`.`b` and <cache>(`test`.`t3`.`a`) = `v1`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <expr_cache><`test`.`t3`.`a`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(/* select#2 */ select `v1`.`a` from `test`.`v1` join `test`.`t2` where `test`.`t2`.`a` = `v1`.`b` and <cache>(`test`.`t3`.`a`) = `v1`.`a`)))
SELECT * FROM t3 SELECT * FROM t3
WHERE t3.a IN (SELECT v1.a FROM v1, t2 WHERE t2.a = v1.b); WHERE t3.a IN (SELECT v1.a FROM v1, t2 WHERE t2.a = v1.b);
a a
@@ -1437,7 +1437,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 system NULL NULL NULL NULL 1 100.00 1 PRIMARY t3 system NULL NULL NULL NULL 1 100.00
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings: Warnings:
Note 1003 select 6 AS `a`,5 AS `b` from `test`.`t3` where 1 Note 1003 /* select#1 */ select 6 AS `a`,5 AS `b` from `test`.`t3` where 1
SELECT t.a,t.b FROM t3 RIGHT JOIN ((SELECT * FROM t1) AS t, t2) ON t2.b != 0 SELECT t.a,t.b FROM t3 RIGHT JOIN ((SELECT * FROM t1) AS t, t2) ON t2.b != 0
WHERE (t.a,t.b) NOT IN (SELECT 7, 5); WHERE (t.a,t.b) NOT IN (SELECT 7, 5);
a b a b
@@ -1451,7 +1451,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 system NULL NULL NULL NULL 1 100.00 1 PRIMARY t3 system NULL NULL NULL NULL 1 100.00
3 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 3 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings: Warnings:
Note 1003 select 6 AS `a`,5 AS `b` from `test`.`t3` where 1 Note 1003 /* select#1 */ select 6 AS `a`,5 AS `b` from `test`.`t3` where 1
SELECT t.a,t.b FROM t3 RIGHT JOIN (v1 AS t, t2) ON t2.b != 0 SELECT t.a,t.b FROM t3 RIGHT JOIN (v1 AS t, t2) ON t2.b != 0
WHERE (t.a,t.b) NOT IN (SELECT 7, 5); WHERE (t.a,t.b) NOT IN (SELECT 7, 5);
a b a b
@@ -1465,7 +1465,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 system NULL NULL NULL NULL 1 100.00 1 PRIMARY t3 system NULL NULL NULL NULL 1 100.00
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings: Warnings:
Note 1003 select 6 AS `a`,5 AS `b` from `test`.`t3` where 1 Note 1003 /* select#1 */ select 6 AS `a`,5 AS `b` from `test`.`t3` where 1
DROP VIEW v1; DROP VIEW v1;
DROP TABLE t1,t2,t3; DROP TABLE t1,t2,t3;
# #
@@ -1559,7 +1559,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
3 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00 Using temporary; Using filesort 3 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00 Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `v2`.`b` AS `b` from `test`.`v2` where 0 Note 1003 /* select#1 */ select `v2`.`b` AS `b` from `test`.`v2` where 0
DROP VIEW v1,v2; DROP VIEW v1,v2;
DROP TABLE t1; DROP TABLE t1;
# #
@@ -1624,7 +1624,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where 3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 't.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 't.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(1,<expr_cache><`test`.`t1`.`a`>(exists(select 28 from `test`.`t3` where 'j' < `test`.`t1`.`a`))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(1,<expr_cache><`test`.`t1`.`a`>(exists(/* select#3 */ select 28 from `test`.`t3` where 'j' < `test`.`t1`.`a`)))
SELECT * FROM (SELECT * FROM t1) AS t SELECT * FROM (SELECT * FROM t1) AS t
WHERE EXISTS (SELECT t2.a FROM t3 RIGHT JOIN t2 ON (t3.a = t2.a) WHERE EXISTS (SELECT t2.a FROM t3 RIGHT JOIN t2 ON (t3.a = t2.a)
WHERE t2.b < t.a); WHERE t2.b < t.a);
@@ -2517,7 +2517,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ref key0 key0 5 test.t2.c2 2 100.00 Using where 1 PRIMARY <derived2> ref key0 key0 5 test.t2.c2 2 100.00 Using where
2 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00 2 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00
Warnings: Warnings:
Note 1003 select `v1`.`c1` AS `c1`,`v1`.`c2` AS `c2` from `test`.`v1` join `test`.`t2` where `v1`.`c1` = `test`.`t2`.`c1` and `v1`.`c2` = `test`.`t2`.`c2` Note 1003 /* select#1 */ select `v1`.`c1` AS `c1`,`v1`.`c2` AS `c2` from `test`.`v1` join `test`.`t2` where `v1`.`c1` = `test`.`t2`.`c1` and `v1`.`c2` = `test`.`t2`.`c2`
SELECT v1.c1, v1.c2 FROM v1, t2 WHERE v1.c1=t2.c1 AND v1.c2=t2.c2; SELECT v1.c1, v1.c2 FROM v1, t2 WHERE v1.c1=t2.c1 AND v1.c2=t2.c2;
c1 c2 c1 c2
c 3 c 3
@@ -2530,7 +2530,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ref key0 key0 5 test.t2.c2 2 100.00 Using where 1 PRIMARY <derived2> ref key0 key0 5 test.t2.c2 2 100.00 Using where
2 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00 Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00 Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `test`.`t2`.`c1` AS `c1`,`test`.`t2`.`c2` AS `c2` from (select `test`.`t1`.`c1` AS `g`,max(`test`.`t1`.`c2`) AS `m` from `test`.`t1` group by `test`.`t1`.`c1`) `t` join `test`.`t2` where `t`.`g` = `test`.`t2`.`c1` and `t`.`m` = `test`.`t2`.`c2` Note 1003 /* select#1 */ select `test`.`t2`.`c1` AS `c1`,`test`.`t2`.`c2` AS `c2` from (/* select#2 */ select `test`.`t1`.`c1` AS `g`,max(`test`.`t1`.`c2`) AS `m` from `test`.`t1` group by `test`.`t1`.`c1`) `t` join `test`.`t2` where `t`.`g` = `test`.`t2`.`c1` and `t`.`m` = `test`.`t2`.`c2`
SELECT t2.c1, t2.c2 FROM (SELECT c1 g, MAX(c2) m FROM t1 GROUP BY c1) t, t2 SELECT t2.c1, t2.c2 FROM (SELECT c1 g, MAX(c2) m FROM t1 GROUP BY c1) t, t2
WHERE t.g=t2.c1 AND t.m=t2.c2; WHERE t.g=t2.c1 AND t.m=t2.c2;
c1 c2 c1 c2
@@ -2542,7 +2542,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer (flat, BNL join) 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00 2 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00
Warnings: Warnings:
Note 1003 select `v1`.`c1` AS `c1`,`v1`.`c2` AS `c2`,`test`.`t2`.`c1` AS `c1`,`test`.`t2`.`c2` AS `c2` from `test`.`v1` join `test`.`t2` where `v1`.`c1` = `test`.`t2`.`c1` Note 1003 /* select#1 */ select `v1`.`c1` AS `c1`,`v1`.`c2` AS `c2`,`test`.`t2`.`c1` AS `c1`,`test`.`t2`.`c2` AS `c2` from `test`.`v1` join `test`.`t2` where `v1`.`c1` = `test`.`t2`.`c1`
SELECT v1.c1, v1.c2, t2.c1, t2.c2 FROM v1, t2 WHERE v1.c1=t2.c1; SELECT v1.c1, v1.c2, t2.c1, t2.c2 FROM v1, t2 WHERE v1.c1=t2.c1;
c1 c2 c1 c2 c1 c2 c1 c2
c 3 c 3 c 3 c 3

2
mysql-test/r/distinct.result
View File

@@ -920,7 +920,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join) 1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join)
2 DERIVED t1 ALL NULL NULL NULL NULL 96 100.00 Using where 2 DERIVED t1 ALL NULL NULL NULL NULL 96 100.00 Using where
Warnings: Warnings:
Note 1003 select straight_join distinct `test`.`t1`.`id` AS `id` from `test`.`t1` join `test`.`v1` join `test`.`t2` where `test`.`t2`.`i` = `v1`.`id` and `v1`.`i1` = `test`.`t1`.`i1` and `v1`.`id` <> 3 Note 1003 /* select#1 */ select straight_join distinct `test`.`t1`.`id` AS `id` from `test`.`t1` join `test`.`v1` join `test`.`t2` where `test`.`t2`.`i` = `v1`.`id` and `v1`.`i1` = `test`.`t1`.`i1` and `v1`.`id` <> 3
set join_buffer_size=1024; set join_buffer_size=1024;
SELECT STRAIGHT_JOIN DISTINCT t1.id FROM SELECT STRAIGHT_JOIN DISTINCT t1.id FROM
t1, v1, t2 WHERE v1.id = t2.i AND t1.i1 = v1.i1 AND t2.i != 3; t1, v1, t2 WHERE v1.id = t2.i AND t1.i1 = v1.i1 AND t2.i != 3;

527
mysql-test/r/except.result Normal file
View File

@@ -0,0 +1,527 @@
create table t1 (a int, b int) engine=MyISAM;
create table t2 (c int, d int) engine=MyISAM;
insert into t1 values (1,1),(2,2);
insert into t2 values (2,2),(3,3);
(select a,b from t1) except (select c,d from t2);
a b
1 1
EXPLAIN (select a,b from t1) except (select c,d from t2);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
2 EXCEPT t2 ALL NULL NULL NULL NULL 2
NULL EXCEPT RESULT <except1,2> ALL NULL NULL NULL NULL NULL
EXPLAIN extended (select a,b from t1) except (select c,d from t2);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 EXCEPT t2 ALL NULL NULL NULL NULL 2 100.00
NULL EXCEPT RESULT <except1,2> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 (/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) except (/* select#2 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`)
EXPLAIN extended select * from ((select a,b from t1) except (select c,d from t2)) a;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00
3 EXCEPT t2 ALL NULL NULL NULL NULL 2 100.00
NULL EXCEPT RESULT <except2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 /* select#1 */ select `a`.`a` AS `a`,`a`.`b` AS `b` from ((/* select#2 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) except (/* select#3 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`)) `a`
EXPLAIN format=json (select a,b from t1) except (select c,d from t2);
EXPLAIN
{
"query_block": {
"union_result": {
"table_name": "<except1,2>",
"access_type": "ALL",
"query_specifications": [
{
"query_block": {
"select_id": 1,
"table": {
"table_name": "t1",
"access_type": "ALL",
"rows": 2,
"filtered": 100
}
}
},
{
"query_block": {
"select_id": 2,
"operation": "EXCEPT",
"table": {
"table_name": "t2",
"access_type": "ALL",
"rows": 2,
"filtered": 100
}
}
}
]
}
}
}
ANALYZE format=json (select a,b from t1) except (select c,d from t2);
ANALYZE
{
"query_block": {
"union_result": {
"table_name": "<except1,2>",
"access_type": "ALL",
"r_loops": 1,
"r_rows": 1,
"query_specifications": [
{
"query_block": {
"select_id": 1,
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t1",
"access_type": "ALL",
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
}
},
{
"query_block": {
"select_id": 2,
"operation": "EXCEPT",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t2",
"access_type": "ALL",
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
}
}
]
}
}
}
ANALYZE format=json select * from ((select a,b from t1) except (select c,d from t2)) a;
ANALYZE
{
"query_block": {
"select_id": 1,
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "<derived2>",
"access_type": "ALL",
"r_loops": 1,
"rows": 2,
"r_rows": 1,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100,
"materialized": {
"query_block": {
"union_result": {
"table_name": "<except2,3>",
"access_type": "ALL",
"r_loops": 1,
"r_rows": 1,
"query_specifications": [
{
"query_block": {
"select_id": 2,
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t1",
"access_type": "ALL",
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
}
},
{
"query_block": {
"select_id": 3,
"operation": "EXCEPT",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t2",
"access_type": "ALL",
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
}
}
]
}
}
}
}
}
}
select * from ((select a,b from t1) except (select c,d from t2)) a;
a b
1 1
prepare stmt from "(select a,b from t1) except (select c,d from t2)";
execute stmt;
a b
1 1
execute stmt;
a b
1 1
prepare stmt from "select * from ((select a,b from t1) except (select c,d from t2)) a";
execute stmt;
a b
1 1
execute stmt;
a b
1 1
drop tables t1,t2;
create table t1 (a int, b int) engine=MyISAM;
create table t2 (c int, d int) engine=MyISAM;
create table t3 (e int, f int) engine=MyISAM;
create table t4 (g int, h int) engine=MyISAM;
insert into t1 values (1,1),(2,2);
insert into t2 values (2,2),(3,3);
insert into t3 values (4,4),(5,5);
insert into t4 values (4,4),(7,7);
(select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4);
a b e f
1 1 4 4
1 1 5 5
2 2 5 5
EXPLAIN (select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
2 EXCEPT t2 ALL NULL NULL NULL NULL 2
2 EXCEPT t4 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
NULL EXCEPT RESULT <except1,2> ALL NULL NULL NULL NULL NULL
EXPLAIN (select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
2 EXCEPT t2 ALL NULL NULL NULL NULL 2
2 EXCEPT t4 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
NULL EXCEPT RESULT <except1,2> ALL NULL NULL NULL NULL NULL
EXPLAIN extended select * from ((select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4)) a;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t3 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
3 EXCEPT t2 ALL NULL NULL NULL NULL 2 100.00
3 EXCEPT t4 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
NULL EXCEPT RESULT <except2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 /* select#1 */ select `a`.`a` AS `a`,`a`.`b` AS `b`,`a`.`e` AS `e`,`a`.`f` AS `f` from ((/* select#2 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t1` join `test`.`t3`) except (/* select#3 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d`,`test`.`t4`.`g` AS `g`,`test`.`t4`.`h` AS `h` from `test`.`t2` join `test`.`t4`)) `a`
EXPLAIN format=json (select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4);
EXPLAIN
{
"query_block": {
"union_result": {
"table_name": "<except1,2>",
"access_type": "ALL",
"query_specifications": [
{
"query_block": {
"select_id": 1,
"table": {
"table_name": "t1",
"access_type": "ALL",
"rows": 2,
"filtered": 100
},
"block-nl-join": {
"table": {
"table_name": "t3",
"access_type": "ALL",
"rows": 2,
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"join_type": "BNL"
}
}
},
{
"query_block": {
"select_id": 2,
"operation": "EXCEPT",
"table": {
"table_name": "t2",
"access_type": "ALL",
"rows": 2,
"filtered": 100
},
"block-nl-join": {
"table": {
"table_name": "t4",
"access_type": "ALL",
"rows": 2,
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"join_type": "BNL"
}
}
}
]
}
}
}
ANALYZE format=json (select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4);
ANALYZE
{
"query_block": {
"union_result": {
"table_name": "<except1,2>",
"access_type": "ALL",
"r_loops": 1,
"r_rows": 3,
"query_specifications": [
{
"query_block": {
"select_id": 1,
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t1",
"access_type": "ALL",
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
},
"block-nl-join": {
"table": {
"table_name": "t3",
"access_type": "ALL",
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"join_type": "BNL",
"r_filtered": 100
}
}
},
{
"query_block": {
"select_id": 2,
"operation": "EXCEPT",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t2",
"access_type": "ALL",
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
},
"block-nl-join": {
"table": {
"table_name": "t4",
"access_type": "ALL",
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"join_type": "BNL",
"r_filtered": 100
}
}
}
]
}
}
}
ANALYZE format=json select * from ((select a,b,e,f from t1,t3) except
(select c,d,g,h from t2,t4)) a;
ANALYZE
{
"query_block": {
"select_id": 1,
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "<derived2>",
"access_type": "ALL",
"r_loops": 1,
"rows": 4,
"r_rows": 3,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100,
"materialized": {
"query_block": {
"union_result": {
"table_name": "<except2,3>",
"access_type": "ALL",
"r_loops": 1,
"r_rows": 3,
"query_specifications": [
{
"query_block": {
"select_id": 2,
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t1",
"access_type": "ALL",
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
},
"block-nl-join": {
"table": {
"table_name": "t3",
"access_type": "ALL",
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"join_type": "BNL",
"r_filtered": 100
}
}
},
{
"query_block": {
"select_id": 3,
"operation": "EXCEPT",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t2",
"access_type": "ALL",
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
},
"block-nl-join": {
"table": {
"table_name": "t4",
"access_type": "ALL",
"r_loops": 1,
"rows": 2,
"r_rows": 2,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"join_type": "BNL",
"r_filtered": 100
}
}
}
]
}
}
}
}
}
}
select * from ((select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4)) a;
a b e f
1 1 4 4
1 1 5 5
2 2 5 5
prepare stmt from "(select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4)";
execute stmt;
a b e f
1 1 4 4
1 1 5 5
2 2 5 5
execute stmt;
a b e f
1 1 4 4
1 1 5 5
2 2 5 5
prepare stmt from "select * from ((select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4)) a";
execute stmt;
a b e f
1 1 4 4
1 1 5 5
2 2 5 5
execute stmt;
a b e f
1 1 4 4
1 1 5 5
2 2 5 5
drop tables t1,t2,t3,t4;
select 1 as a from dual except select 1 from dual;
a
(select 1 from dual) except (select 1 from dual);
1
(select 1 from dual into @v) except (select 1 from dual);
ERROR HY000: Incorrect usage of EXCEPT and INTO
select 1 from dual ORDER BY 1 except select 1 from dual;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'except select 1 from dual' at line 1
select 1 as a from dual union all select 1 from dual;
a
1
1
select 1 from dual except all select 1 from dual;
ERROR HY000: Incorrect usage of EXCEPT and ALL
create table t1 (a int, b blob, a1 int, b1 blob) engine=MyISAM;
create table t2 (c int, d blob, c1 int, d1 blob) engine=MyISAM;
insert into t1 values (1,"ddd", 1, "sdfrrwwww"),(2, "fgh", 2, "dffggtt");
insert into t2 values (2, "fgh", 2, "dffggtt"),(3, "ffggddd", 3, "dfgg");
(select a,b,b1 from t1) except (select c,d,d1 from t2);
a b b1
1 ddd sdfrrwwww
create table t3 (select a,b,b1 from t1) except (select c,d,d1 from t2);
show create table t3;
Table Create Table
t3 CREATE TABLE `t3` (
`a` int(11) DEFAULT NULL,
`b` blob DEFAULT NULL,
`b1` blob DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop tables t1,t2,t3;

16
mysql-test/r/explain.result
View File

@@ -158,7 +158,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join) 2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select 1 AS `1` from (select count(distinct `test`.`t1`.`a`) AS `COUNT(DISTINCT t1.a)` from `test`.`t1` join `test`.`t2` group by `test`.`t1`.`a`) `s1` Note 1003 /* select#1 */ select 1 AS `1` from (/* select#2 */ select count(distinct `test`.`t1`.`a`) AS `COUNT(DISTINCT t1.a)` from `test`.`t1` join `test`.`t2` group by `test`.`t1`.`a`) `s1`
EXPLAIN EXTENDED SELECT 1 EXPLAIN EXTENDED SELECT 1
FROM (SELECT COUNT(DISTINCT t1.a) FROM t1,t2 GROUP BY t1.a) AS s1; FROM (SELECT COUNT(DISTINCT t1.a) FROM t1,t2 GROUP BY t1.a) AS s1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
@@ -166,7 +166,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join) 2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select 1 AS `1` from (select count(distinct `test`.`t1`.`a`) AS `COUNT(DISTINCT t1.a)` from `test`.`t1` join `test`.`t2` group by `test`.`t1`.`a`) `s1` Note 1003 /* select#1 */ select 1 AS `1` from (/* select#2 */ select count(distinct `test`.`t1`.`a`) AS `COUNT(DISTINCT t1.a)` from `test`.`t1` join `test`.`t2` group by `test`.`t1`.`a`) `s1`
prepare s1 from prepare s1 from
'EXPLAIN EXTENDED SELECT 1 'EXPLAIN EXTENDED SELECT 1
FROM (SELECT COUNT(DISTINCT t1.a) FROM t1,t2 GROUP BY t1.a) AS s1'; FROM (SELECT COUNT(DISTINCT t1.a) FROM t1,t2 GROUP BY t1.a) AS s1';
@@ -176,7 +176,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join) 2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select 1 AS `1` from (select count(distinct `test`.`t1`.`a`) AS `COUNT(DISTINCT t1.a)` from `test`.`t1` join `test`.`t2` group by `test`.`t1`.`a`) `s1` Note 1003 /* select#1 */ select 1 AS `1` from (/* select#2 */ select count(distinct `test`.`t1`.`a`) AS `COUNT(DISTINCT t1.a)` from `test`.`t1` join `test`.`t2` group by `test`.`t1`.`a`) `s1`
prepare s1 from prepare s1 from
'EXPLAIN EXTENDED SELECT 1 'EXPLAIN EXTENDED SELECT 1
FROM (SELECT COUNT(DISTINCT t1.a) FROM t1,t2 GROUP BY t1.a) AS s1'; FROM (SELECT COUNT(DISTINCT t1.a) FROM t1,t2 GROUP BY t1.a) AS s1';
@@ -186,14 +186,14 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join) 2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select 1 AS `1` from (select count(distinct `test`.`t1`.`a`) AS `COUNT(DISTINCT t1.a)` from `test`.`t1` join `test`.`t2` group by `test`.`t1`.`a`) `s1` Note 1003 /* select#1 */ select 1 AS `1` from (/* select#2 */ select count(distinct `test`.`t1`.`a`) AS `COUNT(DISTINCT t1.a)` from `test`.`t1` join `test`.`t2` group by `test`.`t1`.`a`) `s1`
execute s1; execute s1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4 100.00 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 4 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join) 2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select 1 AS `1` from (select count(distinct `test`.`t1`.`a`) AS `COUNT(DISTINCT t1.a)` from `test`.`t1` join `test`.`t2` group by `test`.`t1`.`a`) `s1` Note 1003 /* select#1 */ select 1 AS `1` from (/* select#2 */ select count(distinct `test`.`t1`.`a`) AS `COUNT(DISTINCT t1.a)` from `test`.`t1` join `test`.`t2` group by `test`.`t1`.`a`) `s1`
DROP TABLE t1,t2; DROP TABLE t1,t2;
CREATE TABLE t1 (a INT PRIMARY KEY); CREATE TABLE t1 (a INT PRIMARY KEY);
EXPLAIN EXTENDED SELECT COUNT(a) FROM t1 USE KEY(a); EXPLAIN EXTENDED SELECT COUNT(a) FROM t1 USE KEY(a);
@@ -221,7 +221,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 SUBQUERY t system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 0 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 0
SET SESSION sql_mode=@old_sql_mode; SET SESSION sql_mode=@old_sql_mode;
DROP TABLE t1; DROP TABLE t1;
End of 5.0 tests. End of 5.0 tests.
@@ -268,7 +268,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where 2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1
Note 1003 select (select 1 from `test`.`t2` where `test`.`t2`.`d` = NULL) AS `(SELECT 1 FROM t2 WHERE d = c)` from dual Note 1003 /* select#1 */ select (/* select#2 */ select 1 from `test`.`t2` where `test`.`t2`.`d` = NULL) AS `(SELECT 1 FROM t2 WHERE d = c)` from dual
DROP TABLE t1, t2; DROP TABLE t1, t2;
# #
# Bug#30302: Tables that were optimized away are printed in the # Bug#30302: Tables that were optimized away are printed in the
@@ -390,7 +390,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY <derived2> system NULL NULL NULL NULL 0 0.00 const row not found
2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select NULL AS `a` from (select NULL AS `a` from `test`.`t1` where 0) `t` Note 1003 /* select#1 */ select NULL AS `a` from (/* select#2 */ select NULL AS `a` from `test`.`t1` where 0) `t`
set optimizer_switch=@tmp_optimizer_switch; set optimizer_switch=@tmp_optimizer_switch;
DROP TABLE t1,t2; DROP TABLE t1,t2;
# #

2
mysql-test/r/explain_json.result
View File

@@ -229,6 +229,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 2, "select_id": 2,
"operation": "UNION",
"table": { "table": {
"table_name": "B", "table_name": "B",
"access_type": "ALL", "access_type": "ALL",
@@ -263,6 +264,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 2, "select_id": 2,
"operation": "UNION",
"table": { "table": {
"table_name": "B", "table_name": "B",
"access_type": "ALL", "access_type": "ALL",

4
mysql-test/r/func_gconcat.result
View File

@@ -996,7 +996,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
2 DERIVED td ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join) 2 DERIVED td ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select 1 AS `1` from (select distinct group_concat(`test`.`td`.`f1` separator ',') AS `GROUP_CONCAT(td.f1)` from `test`.`t1` join `test`.`t1` `td` group by `test`.`td`.`f1`) `d` join `test`.`t1` Note 1003 /* select#1 */ select 1 AS `1` from (/* select#2 */ select distinct group_concat(`test`.`td`.`f1` separator ',') AS `GROUP_CONCAT(td.f1)` from `test`.`t1` join `test`.`t1` `td` group by `test`.`td`.`f1`) `d` join `test`.`t1`
SELECT 1 FROM SELECT 1 FROM
(SELECT DISTINCT GROUP_CONCAT(td.f1) FROM t1,t1 AS td GROUP BY td.f1) AS d,t1; (SELECT DISTINCT GROUP_CONCAT(td.f1) FROM t1,t1 AS td GROUP BY td.f1) AS d,t1;
1 1
@@ -1017,7 +1017,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort 2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join) 2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select 1 AS `1` from (select group_concat(`test`.`t1`.`a` order by `test`.`t1`.`a` ASC separator ',') AS `GROUP_CONCAT(t1.a ORDER BY t1.a ASC)` from `test`.`t1` `t2` join `test`.`t1` group by `test`.`t1`.`a`) `d` Note 1003 /* select#1 */ select 1 AS `1` from (/* select#2 */ select group_concat(`test`.`t1`.`a` order by `test`.`t1`.`a` ASC separator ',') AS `GROUP_CONCAT(t1.a ORDER BY t1.a ASC)` from `test`.`t1` `t2` join `test`.`t1` group by `test`.`t1`.`a`) `d`
DROP TABLE t1; DROP TABLE t1;
End of 5.0 tests End of 5.0 tests
# #

8
mysql-test/r/func_group.result
View File

@@ -1849,7 +1849,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings: Warnings:
Note 1003 select max(`test`.`t1`.`a`) AS `MAX(a)` from `test`.`t1` where 0 Note 1003 /* select#1 */ select max(`test`.`t1`.`a`) AS `MAX(a)` from `test`.`t1` where 0
SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT 3,4) AND a<10; SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT 3,4) AND a<10;
MAX(a) MAX(a)
NULL NULL
@@ -1891,7 +1891,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 1 100.00 2 DEPENDENT SUBQUERY t2 system NULL NULL NULL NULL 1 100.00
Warnings: Warnings:
Note 1276 Field or reference 'test.t3.b' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t3.b' of SELECT #2 was resolved in SELECT #1
Note 1003 select <expr_cache><`test`.`t3`.`b`>((select min(1) from dual where 10 = `test`.`t3`.`b`)) AS `(SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b)` from `test`.`t3` Note 1003 /* select#1 */ select <expr_cache><`test`.`t3`.`b`>((/* select#2 */ select min(1) from dual where 10 = `test`.`t3`.`b`)) AS `(SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b)` from `test`.`t3`
SELECT (SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b) FROM t3; SELECT (SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b) FROM t3;
(SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b) (SELECT MIN(t1.a) FROM t1,t2 WHERE t2.a = t3.b)
NULL NULL
@@ -2398,7 +2398,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1276 Field or reference 'test.t10.b' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t10.b' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t10`.`a` AS `a` from `test`.`t10` where `test`.`t10`.`c` < 3 or <expr_cache><`test`.`t10`.`a`,`test`.`t10`.`b`>(<in_optimizer>(`test`.`t10`.`a`,<exists>(select `test`.`t12`.`c` from `test`.`t12` where <cache>(`test`.`t10`.`a`) = `test`.`t12`.`c` union select max(`test`.`t10`.`b`) from `test`.`t11` group by `test`.`t11`.`c` having <cache>(`test`.`t10`.`a`) = <ref_null_helper>(max(`test`.`t10`.`b`))))) Note 1003 /* select#1 */ select `test`.`t10`.`a` AS `a` from `test`.`t10` where `test`.`t10`.`c` < 3 or <expr_cache><`test`.`t10`.`a`,`test`.`t10`.`b`>(<in_optimizer>(`test`.`t10`.`a`,<exists>(/* select#2 */ select `test`.`t12`.`c` from `test`.`t12` where <cache>(`test`.`t10`.`a`) = `test`.`t12`.`c` union /* select#3 */ select max(`test`.`t10`.`b`) from `test`.`t11` group by `test`.`t11`.`c` having <cache>(`test`.`t10`.`a`) = <ref_null_helper>(max(`test`.`t10`.`b`)))))
drop table t10,t11,t12; drop table t10,t11,t12;
# #
# MDEV-10017: Get unexpected `Empty Set` for correlated subquery # MDEV-10017: Get unexpected `Empty Set` for correlated subquery
@@ -2429,7 +2429,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY tt system NULL NULL NULL NULL 1 100.00 3 DEPENDENT SUBQUERY tt system NULL NULL NULL NULL 1 100.00
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.c1' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.c1' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`c1` AS `c1` from `test`.`t1` having `test`.`t1`.`c1` >= <expr_cache><`test`.`t1`.`c1`>((select 2 AS `c` from dual order by (select min(`test`.`t1`.`c1` + 2) from dual))) Note 1003 /* select#1 */ select `test`.`t1`.`c1` AS `c1` from `test`.`t1` having `test`.`t1`.`c1` >= <expr_cache><`test`.`t1`.`c1`>((/* select#2 */ select 2 AS `c` from dual order by (/* select#3 */ select min(`test`.`t1`.`c1` + 2) from dual)))
select c1 from t1 having c1 >= (select t.c1 as c from t2 t order by (select min(t1.c1+tt.c1) from t2 tt)); select c1 from t1 having c1 >= (select t.c1 as c from t2 t order by (select min(t1.c1+tt.c1) from t2 tt));
c1 c1
2 2

4
mysql-test/r/func_misc.result
View File

@@ -354,7 +354,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY tv ALL NULL NULL NULL NULL 1 100.00 Using where; Using join buffer (flat, BNL join) 1 PRIMARY tv ALL NULL NULL NULL NULL 1 100.00 Using where; Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY tv system NULL NULL NULL NULL 1 100.00 2 DEPENDENT SUBQUERY tv system NULL NULL NULL NULL 1 100.00
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` left join (`test`.`tv`) on(`test`.`tv`.`e` = `test`.`t1`.`a`) where !<expr_cache><last_value(NULL,`test`.`tv`.`e`)>(<in_optimizer>(last_value(NULL,`test`.`tv`.`e`),<exists>(select last_value(NULL,'1') from dual where trigcond(<cache>(last_value(NULL,`test`.`tv`.`e`)) = last_value(NULL,'1'))))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` left join (`test`.`tv`) on(`test`.`tv`.`e` = `test`.`t1`.`a`) where !<expr_cache><last_value(NULL,`test`.`tv`.`e`)>(<in_optimizer>(last_value(NULL,`test`.`tv`.`e`),<exists>(/* select#2 */ select last_value(NULL,'1') from dual where trigcond(<cache>(last_value(NULL,`test`.`tv`.`e`)) = last_value(NULL,'1')))))
explain extended explain extended
select a from t1 left join v_merge on (a=e) where e not in (select last_value(NULL,e) from vm); select a from t1 left join v_merge on (a=e) where e not in (select last_value(NULL,e) from vm);
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
@@ -362,7 +362,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY tv ALL NULL NULL NULL NULL 1 100.00 Using where; Using join buffer (flat, BNL join) 1 PRIMARY tv ALL NULL NULL NULL NULL 1 100.00 Using where; Using join buffer (flat, BNL join)
2 DEPENDENT SUBQUERY tv system NULL NULL NULL NULL 1 100.00 2 DEPENDENT SUBQUERY tv system NULL NULL NULL NULL 1 100.00
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` left join (`test`.`tv`) on(`test`.`tv`.`e` = `test`.`t1`.`a`) where !<expr_cache><`test`.`tv`.`e`>(<in_optimizer>(`test`.`tv`.`e`,<exists>(select last_value(NULL,'1') from dual where trigcond(<cache>(`test`.`tv`.`e`) = last_value(NULL,'1'))))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` left join (`test`.`tv`) on(`test`.`tv`.`e` = `test`.`t1`.`a`) where !<expr_cache><`test`.`tv`.`e`>(<in_optimizer>(`test`.`tv`.`e`,<exists>(/* select#2 */ select last_value(NULL,'1') from dual where trigcond(<cache>(`test`.`tv`.`e`) = last_value(NULL,'1')))))
set optimizer_switch=@optimizer_switch_save; set optimizer_switch=@optimizer_switch_save;
drop view v_merge, vm; drop view v_merge, vm;
drop table t1,tv; drop table t1,tv;

4
mysql-test/r/gis.result
View File

@@ -888,8 +888,8 @@ down3,left3,right3,up3
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS equals FROM t1 a1 JOIN t1 a2 ON Equals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS equals FROM t1 a1 JOIN t1 a2 ON Equals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
equals equals
center center
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersect FROM t1 a1 JOIN t1 a2 ON Intersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersects FROM t1 a1 JOIN t1 a2 ON Intersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
intersect intersects
big,center,down,down2,left,left2,right,right2,small,up,up2 big,center,down,down2,left,left2,right,right2,small,up,up2
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS overlaps FROM t1 a1 JOIN t1 a2 ON Overlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS overlaps FROM t1 a1 JOIN t1 a2 ON Overlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
overlaps overlaps

4
mysql-test/r/group_by.result
View File

@@ -1789,7 +1789,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select <expr_cache><`test`.`t1`.`a`>((select `test`.`t1`.`a`)) AS `aa`,count(distinct `test`.`t1`.`b`) AS `COUNT(DISTINCT b)` from `test`.`t1` group by <expr_cache><`test`.`t1`.`a`>((select `test`.`t1`.`a`)) + 0 Note 1003 /* select#1 */ select <expr_cache><`test`.`t1`.`a`>((/* select#2 */ select `test`.`t1`.`a`)) AS `aa`,count(distinct `test`.`t1`.`b`) AS `COUNT(DISTINCT b)` from `test`.`t1` group by <expr_cache><`test`.`t1`.`a`>((/* select#2 */ select `test`.`t1`.`a`)) + 0
EXPLAIN EXTENDED EXPLAIN EXTENDED
SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY -aa; SELECT (SELECT t1.a) aa, COUNT(DISTINCT b) FROM t1 GROUP BY -aa;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
@@ -1797,7 +1797,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select <expr_cache><`test`.`t1`.`a`>((select `test`.`t1`.`a`)) AS `aa`,count(distinct `test`.`t1`.`b`) AS `COUNT(DISTINCT b)` from `test`.`t1` group by -<expr_cache><`test`.`t1`.`a`>((select `test`.`t1`.`a`)) Note 1003 /* select#1 */ select <expr_cache><`test`.`t1`.`a`>((/* select#2 */ select `test`.`t1`.`a`)) AS `aa`,count(distinct `test`.`t1`.`b`) AS `COUNT(DISTINCT b)` from `test`.`t1` group by -<expr_cache><`test`.`t1`.`a`>((/* select#2 */ select `test`.`t1`.`a`))
# should return only one record # should return only one record
SELECT (SELECT tt.a FROM t1 tt LIMIT 1) aa, COUNT(DISTINCT b) FROM t1 SELECT (SELECT tt.a FROM t1 tt LIMIT 1) aa, COUNT(DISTINCT b) FROM t1
GROUP BY aa; GROUP BY aa;

2
mysql-test/r/having.result
View File

@@ -631,7 +631,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL f10 4 NULL 2 100.00 Using index 1 PRIMARY t1 index NULL f10 4 NULL 2 100.00 Using index
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where 2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1003 select min(`test`.`t1`.`f10`) AS `field1` from `test`.`t1` where <expr_cache><7>(<in_optimizer>(7,<exists>(select `test`.`t3`.`f3` from `test`.`t3` where <cache>(7) = `test`.`t3`.`f3`))) having <cache>(`field1`) < 's' Note 1003 /* select#1 */ select min(`test`.`t1`.`f10`) AS `field1` from `test`.`t1` where <expr_cache><7>(<in_optimizer>(7,<exists>(/* select#2 */ select `test`.`t3`.`f3` from `test`.`t3` where <cache>(7) = `test`.`t3`.`f3`))) having <cache>(`field1`) < 's'
set optimizer_switch=@save_optimizer_switch; set optimizer_switch=@save_optimizer_switch;
drop table t1,t2,t3; drop table t1,t2,t3;
End of 5.2 tests End of 5.2 tests

691
mysql-test/r/intersect.result Normal file
View File

@@ -0,0 +1,691 @@
create table t1 (a int, b int);
create table t2 (c int, d int);
insert into t1 values (1,1),(2,2);
insert into t2 values (2,2),(3,3);
(select a,b from t1) intersect (select c,d from t2);
a b
2 2
drop tables t1,t2;
create table t1 (a int, b int) engine=MyISAM;
create table t2 (c int, d int) engine=MyISAM;
create table t3 (e int, f int) engine=MyISAM;
insert into t1 values (1,1),(2,2),(3,3);
insert into t2 values (2,2),(3,3),(4,4);
insert into t3 values (1,1),(2,2),(5,5);
(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
a b
2 2
EXPLAIN (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3
2 INTERSECT t2 ALL NULL NULL NULL NULL 3
3 INTERSECT t3 ALL NULL NULL NULL NULL 3
NULL INTERSECT RESULT <intersect1,2,3> ALL NULL NULL NULL NULL NULL
EXPLAIN extended (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00
2 INTERSECT t2 ALL NULL NULL NULL NULL 3 100.00
3 INTERSECT t3 ALL NULL NULL NULL NULL 3 100.00
NULL INTERSECT RESULT <intersect1,2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 (/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) intersect (/* select#2 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`) intersect (/* select#3 */ select `test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t3`)
EXPLAIN extended select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 3 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 3 100.00
3 INTERSECT t2 ALL NULL NULL NULL NULL 3 100.00
4 INTERSECT t3 ALL NULL NULL NULL NULL 3 100.00
NULL INTERSECT RESULT <intersect2,3,4> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 /* select#1 */ select `a`.`a` AS `a`,`a`.`b` AS `b` from ((/* select#2 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) intersect (/* select#3 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`) intersect (/* select#4 */ select `test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t3`)) `a`
EXPLAIN format=json (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
EXPLAIN
{
"query_block": {
"union_result": {
"table_name": "<intersect1,2,3>",
"access_type": "ALL",
"query_specifications": [
{
"query_block": {
"select_id": 1,
"table": {
"table_name": "t1",
"access_type": "ALL",
"rows": 3,
"filtered": 100
}
}
},
{
"query_block": {
"select_id": 2,
"operation": "INTERSECT",
"table": {
"table_name": "t2",
"access_type": "ALL",
"rows": 3,
"filtered": 100
}
}
},
{
"query_block": {
"select_id": 3,
"operation": "INTERSECT",
"table": {
"table_name": "t3",
"access_type": "ALL",
"rows": 3,
"filtered": 100
}
}
}
]
}
}
}
ANALYZE format=json (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
ANALYZE
{
"query_block": {
"union_result": {
"table_name": "<intersect1,2,3>",
"access_type": "ALL",
"r_loops": 1,
"r_rows": 1,
"query_specifications": [
{
"query_block": {
"select_id": 1,
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t1",
"access_type": "ALL",
"r_loops": 1,
"rows": 3,
"r_rows": 3,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
}
},
{
"query_block": {
"select_id": 2,
"operation": "INTERSECT",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t2",
"access_type": "ALL",
"r_loops": 1,
"rows": 3,
"r_rows": 3,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
}
},
{
"query_block": {
"select_id": 3,
"operation": "INTERSECT",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t3",
"access_type": "ALL",
"r_loops": 1,
"rows": 3,
"r_rows": 3,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
}
}
]
}
}
}
ANALYZE format=json select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a;
ANALYZE
{
"query_block": {
"select_id": 1,
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "<derived2>",
"access_type": "ALL",
"r_loops": 1,
"rows": 3,
"r_rows": 1,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100,
"materialized": {
"query_block": {
"union_result": {
"table_name": "<intersect2,3,4>",
"access_type": "ALL",
"r_loops": 1,
"r_rows": 1,
"query_specifications": [
{
"query_block": {
"select_id": 2,
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t1",
"access_type": "ALL",
"r_loops": 1,
"rows": 3,
"r_rows": 3,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
}
},
{
"query_block": {
"select_id": 3,
"operation": "INTERSECT",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t2",
"access_type": "ALL",
"r_loops": 1,
"rows": 3,
"r_rows": 3,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
}
},
{
"query_block": {
"select_id": 4,
"operation": "INTERSECT",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t3",
"access_type": "ALL",
"r_loops": 1,
"rows": 3,
"r_rows": 3,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
}
}
]
}
}
}
}
}
}
select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a;
a b
2 2
prepare stmt from "(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);";
execute stmt;
a b
2 2
execute stmt;
a b
2 2
prepare stmt from "select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a";
execute stmt;
a b
2 2
execute stmt;
a b
2 2
(select a,b from t1) intersect (select c,e from t2,t3);
a b
2 2
EXPLAIN (select a,b from t1) intersect (select c,e from t2,t3);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3
2 INTERSECT t2 ALL NULL NULL NULL NULL 3
2 INTERSECT t3 ALL NULL NULL NULL NULL 3 Using join buffer (flat, BNL join)
NULL INTERSECT RESULT <intersect1,2> ALL NULL NULL NULL NULL NULL
EXPLAIN extended (select a,b from t1) intersect (select c,e from t2,t3);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00
2 INTERSECT t2 ALL NULL NULL NULL NULL 3 100.00
2 INTERSECT t3 ALL NULL NULL NULL NULL 3 100.00 Using join buffer (flat, BNL join)
NULL INTERSECT RESULT <intersect1,2> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 (/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) intersect (/* select#2 */ select `test`.`t2`.`c` AS `c`,`test`.`t3`.`e` AS `e` from `test`.`t2` join `test`.`t3`)
EXPLAIN extended select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 3 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 3 100.00
3 INTERSECT t2 ALL NULL NULL NULL NULL 3 100.00
3 INTERSECT t3 ALL NULL NULL NULL NULL 3 100.00 Using join buffer (flat, BNL join)
NULL INTERSECT RESULT <intersect2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 /* select#1 */ select `a`.`a` AS `a`,`a`.`b` AS `b` from ((/* select#2 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) intersect (/* select#3 */ select `test`.`t2`.`c` AS `c`,`test`.`t3`.`e` AS `e` from `test`.`t2` join `test`.`t3`)) `a`
EXPLAIN format=json (select a,b from t1) intersect (select c,e from t2,t3);
EXPLAIN
{
"query_block": {
"union_result": {
"table_name": "<intersect1,2>",
"access_type": "ALL",
"query_specifications": [
{
"query_block": {
"select_id": 1,
"table": {
"table_name": "t1",
"access_type": "ALL",
"rows": 3,
"filtered": 100
}
}
},
{
"query_block": {
"select_id": 2,
"operation": "INTERSECT",
"table": {
"table_name": "t2",
"access_type": "ALL",
"rows": 3,
"filtered": 100
},
"block-nl-join": {
"table": {
"table_name": "t3",
"access_type": "ALL",
"rows": 3,
"filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"join_type": "BNL"
}
}
}
]
}
}
}
ANALYZE format=json (select a,b from t1) intersect (select c,e from t2,t3);
ANALYZE
{
"query_block": {
"union_result": {
"table_name": "<intersect1,2>",
"access_type": "ALL",
"r_loops": 1,
"r_rows": 1,
"query_specifications": [
{
"query_block": {
"select_id": 1,
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t1",
"access_type": "ALL",
"r_loops": 1,
"rows": 3,
"r_rows": 3,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
}
},
{
"query_block": {
"select_id": 2,
"operation": "INTERSECT",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t2",
"access_type": "ALL",
"r_loops": 1,
"rows": 3,
"r_rows": 3,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
},
"block-nl-join": {
"table": {
"table_name": "t3",
"access_type": "ALL",
"r_loops": 1,
"rows": 3,
"r_rows": 3,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"join_type": "BNL",
"r_filtered": 100
}
}
}
]
}
}
}
ANALYZE format=json select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a;
ANALYZE
{
"query_block": {
"select_id": 1,
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "<derived2>",
"access_type": "ALL",
"r_loops": 1,
"rows": 3,
"r_rows": 1,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100,
"materialized": {
"query_block": {
"union_result": {
"table_name": "<intersect2,3>",
"access_type": "ALL",
"r_loops": 1,
"r_rows": 1,
"query_specifications": [
{
"query_block": {
"select_id": 2,
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t1",
"access_type": "ALL",
"r_loops": 1,
"rows": 3,
"r_rows": 3,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
}
}
},
{
"query_block": {
"select_id": 3,
"operation": "INTERSECT",
"r_loops": 1,
"r_total_time_ms": "REPLACED",
"table": {
"table_name": "t2",
"access_type": "ALL",
"r_loops": 1,
"rows": 3,
"r_rows": 3,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
},
"block-nl-join": {
"table": {
"table_name": "t3",
"access_type": "ALL",
"r_loops": 1,
"rows": 3,
"r_rows": 3,
"r_total_time_ms": "REPLACED",
"filtered": 100,
"r_filtered": 100
},
"buffer_type": "flat",
"buffer_size": "256Kb",
"join_type": "BNL",
"r_filtered": 100
}
}
}
]
}
}
}
}
}
}
select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a;
a b
2 2
prepare stmt from "(select a,b from t1) intersect (select c,e from t2,t3);";
execute stmt;
a b
2 2
execute stmt;
a b
2 2
prepare stmt from "select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a";
execute stmt;
a b
2 2
execute stmt;
a b
2 2
drop tables t1,t2,t3;
select 1 as a from dual intersect select 1 from dual;
a
1
(select 1 from dual) intersect (select 1 from dual);
1
1
(select 1 from dual into @v) intersect (select 1 from dual);
ERROR HY000: Incorrect usage of INTERSECT and INTO
select 1 from dual ORDER BY 1 intersect select 1 from dual;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'intersect select 1 from dual' at line 1
select 1 as a from dual union all select 1 from dual;
a
1
1
select 1 from dual intersect all select 1 from dual;
ERROR HY000: Incorrect usage of INTERSECT and ALL
create table t1 (a int, b blob, a1 int, b1 blob);
create table t2 (c int, d blob, c1 int, d1 blob);
insert into t1 values (1,"ddd", 1, "sdfrrwwww"),(2, "fgh", 2, "dffggtt");
insert into t2 values (2, "fgh", 2, "dffggtt"),(3, "ffggddd", 3, "dfgg");
(select a,b,b1 from t1) intersect (select c,d,d1 from t2);
a b b1
2 fgh dffggtt
drop tables t1,t2;
create table t1 (a int, b blob) engine=MyISAM;
create table t2 (c int, d blob) engine=MyISAM;
create table t3 (e int, f blob) engine=MyISAM;
insert into t1 values (1,1),(2,2),(3,3);
insert into t2 values (2,2),(3,3),(4,4);
insert into t3 values (1,1),(2,2),(5,5);
(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
a b
2 2
select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a;
a b
2 2
prepare stmt from "(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);";
execute stmt;
a b
2 2
execute stmt;
a b
2 2
prepare stmt from "select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a";
execute stmt;
a b
2 2
execute stmt;
a b
2 2
create table t4 (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
show create table t4;
Table Create Table
t4 CREATE TABLE `t4` (
`a` int(11) DEFAULT NULL,
`b` blob DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop tables t1,t2,t3,t4;
create table t1 (a int, b blob) engine=MyISAM;
create table t2 (c int, d blob) engine=MyISAM;
create table t3 (e int, f blob) engine=MyISAM;
insert into t1 values (1,1),(2,2),(3,3);
insert into t2 values (2,2),(3,3);
insert into t3 values (1,1),(2,2),(3,3);
(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
a b
2 2
3 3
4 4
(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3) union (select 4,4) except (select 2,2);
a b
3 3
4 4
drop tables t1,t2,t3;
create table t1 (a int, b int);
create table t2 (c int, d int);
create table t3 (e int, f int);
insert into t1 values (1,1),(2,2),(3,3);
insert into t2 values (2,2),(3,3);
insert into t3 values (1,1),(2,2),(3,3);
(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
a b
2 2
3 3
4 4
(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3) union (select 4,4) except (select 2,2);
a b
3 3
4 4
drop tables t1,t2,t3;
#
# INTERSECT precedence
#
create table t1 (a int, b blob) engine=MyISAM;
create table t2 (c int, d blob) engine=MyISAM;
create table t3 (e int, f blob) engine=MyISAM;
insert into t1 values (5,5),(6,6);
insert into t2 values (2,2),(3,3);
insert into t3 values (1,1),(3,3);
(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
a b
3 3
4 4
5 5
6 6
explain extended
(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
3 UNION <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00
4 INTERSECT t3 ALL NULL NULL NULL NULL 2 100.00
NULL INTERSECT RESULT <intersect2,4> ALL NULL NULL NULL NULL NULL NULL
5 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union1,3,5> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 (/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) union /* select#3 */ select `__3`.`c` AS `c`,`__3`.`d` AS `d` from ((/* select#2 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`) intersect (/* select#4 */ select `test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t3`)) `__3` union (/* select#5 */ select 4 AS `4`,4 AS `4`)
(select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4);
e f
3 3
4 4
5 5
6 6
explain extended
(select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 100.00
2 INTERSECT t2 ALL NULL NULL NULL NULL 2 100.00
3 UNION t1 ALL NULL NULL NULL NULL 2 100.00
4 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNIT RESULT <unit1,2,3,4> ALL NULL NULL NULL NULL NULL NULL
Warnings:
Note 1003 (/* select#1 */ select `test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t3`) intersect (/* select#2 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`) union (/* select#3 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) union (/* select#4 */ select 4 AS `4`,4 AS `4`)
(/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) union /* select#3 */ select `__3`.`c` AS `c`,`__3`.`d` AS `d` from ((/* select#2 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`) intersect (/* select#4 */ select `test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t3`)) `__3` union (/* select#5 */ select 4 AS `4`,4 AS `4`);
a b
3 3
4 4
5 5
6 6
prepare stmt from "(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4)";
execute stmt;
a b
5 5
6 6
3 3
4 4
execute stmt;
a b
5 5
6 6
3 3
4 4
create view v1 as (select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
select b,a,b+1 from v1;
b a b+1
3 3 4
4 4 5
5 5 6
6 6 7
select b,a,b+1 from v1 where a > 3;
b a b+1
4 4 5
5 5 6
6 6 7
create procedure p1()
select * from v1;
call p1();
a b
3 3
4 4
5 5
6 6
call p1();
a b
3 3
4 4
5 5
6 6
drop procedure p1;
create procedure p1()
(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
call p1();
a b
3 3
4 4
5 5
6 6
call p1();
a b
3 3
4 4
5 5
6 6
drop procedure p1;
show create view v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS (select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) union select `__3`.`c` AS `c`,`__3`.`d` AS `d` from ((select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`) intersect (select `test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t3`)) `__3` union (select 4 AS `4`,4 AS `4`) latin1 latin1_swedish_ci
drop view v1;
drop tables t1,t2,t3;

2
mysql-test/r/join.result
View File

@@ -1497,7 +1497,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where 2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1003 select NULL AS `i1`,`v2`.`i2` AS `i2`,`v2`.`a` AS `a`,`v2`.`b` AS `b` from `test`.`v2` where `v2`.`i2` = NULL and `v2`.`a` < `v2`.`b` Note 1003 /* select#1 */ select NULL AS `i1`,`v2`.`i2` AS `i2`,`v2`.`a` AS `a`,`v2`.`b` AS `b` from `test`.`v2` where `v2`.`i2` = NULL and `v2`.`a` < `v2`.`b`
DROP VIEW v2; DROP VIEW v2;
DROP TABLE t1,t2; DROP TABLE t1,t2;
SET optimizer_switch=@save_optimizer_switch; SET optimizer_switch=@save_optimizer_switch;

4
mysql-test/r/join_outer.result
View File

@@ -1746,7 +1746,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t4 eq_ref PRIMARY PRIMARY 4 test.t3.pk 1 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t4 eq_ref PRIMARY PRIMARY 4 test.t3.pk 1 100.00 Using where; Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.pk' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.pk' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`pk` AS `pk`,<expr_cache><`test`.`t2`.`pk`>((select `test`.`t3`.`pk` + if(`test`.`t4`.`pk` is null,0,`test`.`t4`.`pk`) from `test`.`t3` left join `test`.`t4` on(`test`.`t4`.`pk` = `test`.`t3`.`pk`) where `test`.`t3`.`pk` = `test`.`t2`.`pk` + 1000 limit 1)) AS `t` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`pk` = `test`.`t1`.`pk` + 1000 and `test`.`t1`.`pk` > 1000 group by `test`.`t2`.`pk` Note 1003 /* select#1 */ select `test`.`t2`.`pk` AS `pk`,<expr_cache><`test`.`t2`.`pk`>((/* select#2 */ select `test`.`t3`.`pk` + if(`test`.`t4`.`pk` is null,0,`test`.`t4`.`pk`) from `test`.`t3` left join `test`.`t4` on(`test`.`t4`.`pk` = `test`.`t3`.`pk`) where `test`.`t3`.`pk` = `test`.`t2`.`pk` + 1000 limit 1)) AS `t` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`pk` = `test`.`t1`.`pk` + 1000 and `test`.`t1`.`pk` > 1000 group by `test`.`t2`.`pk`
select t2.pk, select t2.pk,
(select t3.pk+if(isnull(t4.pk),0,t4.pk) (select t3.pk+if(isnull(t4.pk),0,t4.pk)
from t3 left join t4 on t4.pk=t3.pk from t3 left join t4 on t4.pk=t3.pk
@@ -1931,7 +1931,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 system NULL NULL NULL NULL 1 100.00 1 PRIMARY t2 system NULL NULL NULL NULL 1 100.00
2 SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where 2 SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1003 select NULL AS `a` from `test`.`t2` where 1 Note 1003 /* select#1 */ select NULL AS `a` from `test`.`t2` where 1
DROP TABLE t1,t2,t3; DROP TABLE t1,t2,t3;
# #
# LP bug #817384 Wrong result with outer join + subquery in ON # LP bug #817384 Wrong result with outer join + subquery in ON

4
mysql-test/r/join_outer_jcl6.result
View File

@@ -1757,7 +1757,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t4 eq_ref PRIMARY PRIMARY 4 test.t3.pk 1 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t4 eq_ref PRIMARY PRIMARY 4 test.t3.pk 1 100.00 Using where; Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.pk' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.pk' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`pk` AS `pk`,<expr_cache><`test`.`t2`.`pk`>((select `test`.`t3`.`pk` + if(`test`.`t4`.`pk` is null,0,`test`.`t4`.`pk`) from `test`.`t3` left join `test`.`t4` on(`test`.`t4`.`pk` = `test`.`t3`.`pk`) where `test`.`t3`.`pk` = `test`.`t2`.`pk` + 1000 limit 1)) AS `t` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`pk` = `test`.`t1`.`pk` + 1000 and `test`.`t1`.`pk` > 1000 group by `test`.`t2`.`pk` Note 1003 /* select#1 */ select `test`.`t2`.`pk` AS `pk`,<expr_cache><`test`.`t2`.`pk`>((/* select#2 */ select `test`.`t3`.`pk` + if(`test`.`t4`.`pk` is null,0,`test`.`t4`.`pk`) from `test`.`t3` left join `test`.`t4` on(`test`.`t4`.`pk` = `test`.`t3`.`pk`) where `test`.`t3`.`pk` = `test`.`t2`.`pk` + 1000 limit 1)) AS `t` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`pk` = `test`.`t1`.`pk` + 1000 and `test`.`t1`.`pk` > 1000 group by `test`.`t2`.`pk`
select t2.pk, select t2.pk,
(select t3.pk+if(isnull(t4.pk),0,t4.pk) (select t3.pk+if(isnull(t4.pk),0,t4.pk)
from t3 left join t4 on t4.pk=t3.pk from t3 left join t4 on t4.pk=t3.pk
@@ -1942,7 +1942,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 system NULL NULL NULL NULL 1 100.00 1 PRIMARY t2 system NULL NULL NULL NULL 1 100.00
2 SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where 2 SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1003 select NULL AS `a` from `test`.`t2` where 1 Note 1003 /* select#1 */ select NULL AS `a` from `test`.`t2` where 1
DROP TABLE t1,t2,t3; DROP TABLE t1,t2,t3;
# #
# LP bug #817384 Wrong result with outer join + subquery in ON # LP bug #817384 Wrong result with outer join + subquery in ON

2
mysql-test/r/limit_rows_examined.result
View File

@@ -763,6 +763,7 @@ Handler_read_rnd_deleted 0
Handler_read_rnd_next 38 Handler_read_rnd_next 38
SHOW STATUS LIKE 'Handler_tmp%'; SHOW STATUS LIKE 'Handler_tmp%';
Variable_name Value Variable_name Value
Handler_tmp_delete 0
Handler_tmp_update 0 Handler_tmp_update 0
Handler_tmp_write 70 Handler_tmp_write 70
FLUSH STATUS; FLUSH STATUS;
@@ -788,6 +789,7 @@ Handler_read_rnd_deleted 1
Handler_read_rnd_next 39 Handler_read_rnd_next 39
SHOW STATUS LIKE 'Handler_tmp%'; SHOW STATUS LIKE 'Handler_tmp%';
Variable_name Value Variable_name Value
Handler_tmp_delete 0
Handler_tmp_update 0 Handler_tmp_update 0
Handler_tmp_write 70 Handler_tmp_write 70
drop table t1, t2; drop table t1, t2;

12
mysql-test/r/myisam_explain_non_select_all.result
View File

@@ -397,7 +397,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t11 ALL NULL NULL NULL NULL 3 100.00 1 PRIMARY t11 ALL NULL NULL NULL NULL 3 100.00
2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used 2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings: Warnings:
Note 1003 select `test`.`t11`.`a` AS `a`,1 AS `1` from `test`.`t1` `t11` Note 1003 /* select#1 */ select `test`.`t11`.`a` AS `a`,1 AS `1` from `test`.`t1` `t11`
# Status of EXPLAIN EXTENDED "equivalent" SELECT query execution # Status of EXPLAIN EXTENDED "equivalent" SELECT query execution
Variable_name Value Variable_name Value
Handler_read_rnd_next 1 Handler_read_rnd_next 1
@@ -888,7 +888,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 5 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 5 100.00 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 5 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 5 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t1`.`a1`,<exists>(select `test`.`t2`.`a2` from `test`.`t2` where `test`.`t2`.`a2` > 2 and <cache>(`test`.`t1`.`a1`) = `test`.`t2`.`a2`))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t1`.`a1`,<exists>(/* select#2 */ select `test`.`t2`.`a2` from `test`.`t2` where `test`.`t2`.`a2` > 2 and <cache>(`test`.`t1`.`a1`) = `test`.`t2`.`a2`)))
# Status of EXPLAIN EXTENDED "equivalent" SELECT query execution # Status of EXPLAIN EXTENDED "equivalent" SELECT query execution
Variable_name Value Variable_name Value
# Status of "equivalent" SELECT query execution: # Status of "equivalent" SELECT query execution:
@@ -2281,7 +2281,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ALL IDX NULL NULL NULL 2 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL IDX NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.f1' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.f1' of SELECT #2 was resolved in SELECT #1
Note 1003 select <expr_cache><`test`.`t1`.`f1`>((select max(`test`.`t2`.`f4`) from `test`.`t2` where `test`.`t2`.`f3` = `test`.`t1`.`f1`)) AS `(SELECT MAX(t2.f4) FROM t2 WHERE t2.f3=t1.f1)` from `test`.`t1` Note 1003 /* select#1 */ select <expr_cache><`test`.`t1`.`f1`>((/* select#2 */ select max(`test`.`t2`.`f4`) from `test`.`t2` where `test`.`t2`.`f3` = `test`.`t1`.`f1`)) AS `(SELECT MAX(t2.f4) FROM t2 WHERE t2.f3=t1.f1)` from `test`.`t1`
# Status of EXPLAIN EXTENDED "equivalent" SELECT query execution # Status of EXPLAIN EXTENDED "equivalent" SELECT query execution
Variable_name Value Variable_name Value
# Status of "equivalent" SELECT query execution: # Status of "equivalent" SELECT query execution:
@@ -2637,7 +2637,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 MATERIALIZED <derived3> ALL NULL NULL NULL NULL 3 100.00 2 MATERIALIZED <derived3> ALL NULL NULL NULL NULL 3 100.00
3 DERIVED t2 ALL NULL NULL NULL NULL 3 100.00 Using filesort 3 DERIVED t2 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join ((select `test`.`t2`.`b` AS `b` from `test`.`t2` order by `test`.`t2`.`b` limit 2,2) `x`) where 1 Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join ((/* select#3 */ select `test`.`t2`.`b` AS `b` from `test`.`t2` order by `test`.`t2`.`b` limit 2,2) `x`) where 1
# Status of EXPLAIN EXTENDED "equivalent" SELECT query execution # Status of EXPLAIN EXTENDED "equivalent" SELECT query execution
Variable_name Value Variable_name Value
# Status of "equivalent" SELECT query execution: # Status of "equivalent" SELECT query execution:
@@ -2688,7 +2688,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 MATERIALIZED <derived3> ALL NULL NULL NULL NULL 3 100.00 2 MATERIALIZED <derived3> ALL NULL NULL NULL NULL 3 100.00
3 DERIVED t2 ALL NULL NULL NULL NULL 3 100.00 Using filesort 3 DERIVED t2 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` semi join ((select `test`.`t2`.`b` AS `b` from `test`.`t2` order by `test`.`t2`.`b` limit 2,2) `x`) join `test`.`t2` where 1 Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` semi join ((/* select#3 */ select `test`.`t2`.`b` AS `b` from `test`.`t2` order by `test`.`t2`.`b` limit 2,2) `x`) join `test`.`t2` where 1
# Status of EXPLAIN EXTENDED "equivalent" SELECT query execution # Status of EXPLAIN EXTENDED "equivalent" SELECT query execution
Variable_name Value Variable_name Value
# Status of "equivalent" SELECT query execution: # Status of "equivalent" SELECT query execution:
@@ -2740,7 +2740,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 MATERIALIZED <derived4> ALL NULL NULL NULL NULL 3 100.00 3 MATERIALIZED <derived4> ALL NULL NULL NULL NULL 3 100.00
4 DERIVED t2 ALL NULL NULL NULL NULL 3 100.00 Using filesort 4 DERIVED t2 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` semi join ((select `test`.`t2`.`b` AS `b` from `test`.`t2` order by `test`.`t2`.`b` limit 2,2) `x`) join `test`.`t2` where 1 Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` semi join ((/* select#4 */ select `test`.`t2`.`b` AS `b` from `test`.`t2` order by `test`.`t2`.`b` limit 2,2) `x`) join `test`.`t2` where 1
# Status of EXPLAIN EXTENDED "equivalent" SELECT query execution # Status of EXPLAIN EXTENDED "equivalent" SELECT query execution
Variable_name Value Variable_name Value
# Status of "equivalent" SELECT query execution: # Status of "equivalent" SELECT query execution:

2
mysql-test/r/myisam_mrr.result
View File

@@ -354,7 +354,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY t2 ref int_key int_key 5 const 1 100.00 Using index condition 2 SUBQUERY t2 ref int_key int_key 5 const 1 100.00 Using index condition
Warnings: Warnings:
Note 1003 select min(`test`.`t1`.`pk`) AS `MIN(t1.pk)` from `test`.`t1` where 0 Note 1003 /* select#1 */ select min(`test`.`t1`.`pk`) AS `MIN(t1.pk)` from `test`.`t1` where 0
DROP TABLE t1, t2; DROP TABLE t1, t2;
# #
# BUG#42048 Discrepancy between MyISAM and Maria's ICP implementation # BUG#42048 Discrepancy between MyISAM and Maria's ICP implementation

190
mysql-test/r/partition_explicit_prune.result
View File

@@ -19,7 +19,7 @@ WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_RND_NEXT 3 HANDLER_READ_RND_NEXT 3
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 4 locks (1 table, 1 partition lock/unlock) # 4 locks (1 table, 1 partition lock/unlock)
FLUSH STATUS; FLUSH STATUS;
SELECT a FROM t1 PARTITION (p0); SELECT a FROM t1 PARTITION (p0);
@@ -31,7 +31,7 @@ WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_RND_NEXT 3 HANDLER_READ_RND_NEXT 3
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 4 locks (1 table, 1 partition lock/unlock) # 4 locks (1 table, 1 partition lock/unlock)
FLUSH STATUS; FLUSH STATUS;
INSERT INTO v1 VALUES (10); INSERT INTO v1 VALUES (10);
@@ -39,14 +39,14 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_WRITE 2 HANDLER_WRITE 2
# 4 locks (1 table, 1 partition lock/unlock) # 4 locks (1 table, 1 partition lock/unlock)
FLUSH STATUS; FLUSH STATUS;
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 2 locks (1 table, all partitions pruned) # 2 locks (1 table, all partitions pruned)
FLUSH STATUS; FLUSH STATUS;
SELECT * FROM v1; SELECT * FROM v1;
@@ -59,7 +59,7 @@ WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_RND_NEXT 4 HANDLER_READ_RND_NEXT 4
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 4 locks (1 table, 1 partition lock/unlock) # 4 locks (1 table, 1 partition lock/unlock)
FLUSH STATUS; FLUSH STATUS;
SELECT a FROM t1 PARTITION (p0); SELECT a FROM t1 PARTITION (p0);
@@ -72,7 +72,7 @@ WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_RND_NEXT 4 HANDLER_READ_RND_NEXT 4
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 4 locks (1 table, 1 partition lock/unlock) # 4 locks (1 table, 1 partition lock/unlock)
SELECT * FROM t1; SELECT * FROM t1;
a a
@@ -89,14 +89,14 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_WRITE 2 HANDLER_WRITE 2
# 4 locks (1 table, 1 partition lock/unlock) # 4 locks (1 table, 1 partition lock/unlock)
FLUSH STATUS; FLUSH STATUS;
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 2 locks (1 table, all partitions pruned) # 2 locks (1 table, all partitions pruned)
SELECT * FROM v1; SELECT * FROM v1;
a a
@@ -121,7 +121,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_WRITE 2 HANDLER_WRITE 2
# 4 locks (1 table, 1 partition lock/unlock) # 4 locks (1 table, 1 partition lock/unlock)
FLUSH STATUS; FLUSH STATUS;
@@ -131,7 +131,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_ROLLBACK 1 HANDLER_ROLLBACK 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 2 locks (1 table, all partitions pruned) # 2 locks (1 table, all partitions pruned)
FLUSH STATUS; FLUSH STATUS;
INSERT INTO v1 VALUES (32); INSERT INTO v1 VALUES (32);
@@ -140,7 +140,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_ROLLBACK 1 HANDLER_ROLLBACK 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 4 locks (1 table, 1 partition lock/unlock) # 4 locks (1 table, 1 partition lock/unlock)
SELECT * FROM v1; SELECT * FROM v1;
a a
@@ -166,12 +166,12 @@ FLUSH STATUS;
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_READ_RND_NEXT 27 HANDLER_READ_RND_NEXT 28
HANDLER_TMP_WRITE 49 HANDLER_TMP_WRITE 51
# OK, seems to add number of variables processed before HANDLER_WRITE # OK, seems to add number of variables processed before HANDLER_WRITE
# and number of variables + 1 evaluated in the previous call in RND_NEXT # and number of variables + 1 evaluated in the previous call in RND_NEXT
CREATE TABLE t1 CREATE TABLE t1
@@ -233,7 +233,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_WRITE 2 HANDLER_WRITE 2
# Should be 1 commit # Should be 1 commit
# 4 external locks (due to pruning of locks) # 4 external locks (due to pruning of locks)
@@ -250,7 +250,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_WRITE 2 HANDLER_WRITE 2
# Should be 1 commit # Should be 1 commit
# 4 external locks # 4 external locks
@@ -262,7 +262,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# should be 1 commit # should be 1 commit
# 9 locks (1 ha_partition + 8 ha_innobase) # 9 locks (1 ha_partition + 8 ha_innobase)
# 17 writes (internal I_S) # 17 writes (internal I_S)
@@ -271,8 +271,8 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 2 HANDLER_COMMIT 2
HANDLER_READ_RND_NEXT 27 HANDLER_READ_RND_NEXT 28
HANDLER_TMP_WRITE 49 HANDLER_TMP_WRITE 51
HANDLER_WRITE 2 HANDLER_WRITE 2
# + 1 commit # + 1 commit
# + 19 rnd next (internal I_S) # + 19 rnd next (internal I_S)
@@ -282,8 +282,8 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 2 HANDLER_COMMIT 2
HANDLER_READ_RND_NEXT 54 HANDLER_READ_RND_NEXT 56
HANDLER_TMP_WRITE 75 HANDLER_TMP_WRITE 78
HANDLER_WRITE 2 HANDLER_WRITE 2
# + 9 locks (unlocks) # + 9 locks (unlocks)
# + 19 rnd next (internal I_S) # + 19 rnd next (internal I_S)
@@ -338,7 +338,7 @@ ERROR HY000: Unknown partition 'pNonexistent' in table 't1'
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# should have failed before locking (only 17 internal I_S writes) # should have failed before locking (only 17 internal I_S writes)
FLUSH STATUS; FLUSH STATUS;
SELECT * FROM t1 PARTITION (subp2); SELECT * FROM t1 PARTITION (subp2);
@@ -348,7 +348,7 @@ WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_FIRST 1 HANDLER_READ_FIRST 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# Should be 1 commit # Should be 1 commit
# 4 locks (1 ha_partition + 1 ha_innobase) x 2 (lock/unlock) # 4 locks (1 ha_partition + 1 ha_innobase) x 2 (lock/unlock)
# 1 read first (also calls index_read) # 1 read first (also calls index_read)
@@ -366,7 +366,7 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_FIRST 3 HANDLER_READ_FIRST 3
HANDLER_READ_NEXT 3 HANDLER_READ_NEXT 3
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# Should be 1 commit # Should be 1 commit
# 8 locks (1 ha_partition + 2 + 1 ha_innobase) x 2 # 8 locks (1 ha_partition + 2 + 1 ha_innobase) x 2
# 3 read first (one for each partition) # 3 read first (one for each partition)
@@ -379,7 +379,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 1 commit # 1 commit
# 18 locks # 18 locks
# 18 READ KEY from opening a new partition table instance, # 18 READ KEY from opening a new partition table instance,
@@ -398,8 +398,8 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 2 HANDLER_COMMIT 2
HANDLER_READ_FIRST 1 HANDLER_READ_FIRST 1
HANDLER_READ_NEXT 3 HANDLER_READ_NEXT 3
HANDLER_READ_RND_NEXT 27 HANDLER_READ_RND_NEXT 28
HANDLER_TMP_WRITE 49 HANDLER_TMP_WRITE 51
# + 1 commit # + 1 commit
# + 1 read first (read first key from index in one partition) # + 1 read first (read first key from index in one partition)
# + 2 read key (innobase_get_index from index_init + from index_first) # + 2 read key (innobase_get_index from index_init + from index_first)
@@ -415,8 +415,8 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 3 HANDLER_COMMIT 3
HANDLER_READ_FIRST 3 HANDLER_READ_FIRST 3
HANDLER_READ_NEXT 4 HANDLER_READ_NEXT 4
HANDLER_READ_RND_NEXT 54 HANDLER_READ_RND_NEXT 56
HANDLER_TMP_WRITE 75 HANDLER_TMP_WRITE 78
# + 1 commit # + 1 commit
# + 2 read first (one for each subpart) # + 2 read first (one for each subpart)
# + 4 read key (innobase_get_index from index_init + from index_first) # + 4 read key (innobase_get_index from index_init + from index_first)
@@ -431,8 +431,8 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 4 HANDLER_COMMIT 4
HANDLER_READ_FIRST 3 HANDLER_READ_FIRST 3
HANDLER_READ_NEXT 4 HANDLER_READ_NEXT 4
HANDLER_READ_RND_NEXT 81 HANDLER_READ_RND_NEXT 84
HANDLER_TMP_WRITE 101 HANDLER_TMP_WRITE 105
# No matching partition, only internal I_S. # No matching partition, only internal I_S.
SELECT * FROM t1 PARTITION (pNeg) WHERE a = 100; SELECT * FROM t1 PARTITION (pNeg) WHERE a = 100;
a b a b
@@ -443,8 +443,8 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 5 HANDLER_COMMIT 5
HANDLER_READ_FIRST 3 HANDLER_READ_FIRST 3
HANDLER_READ_NEXT 4 HANDLER_READ_NEXT 4
HANDLER_READ_RND_NEXT 108 HANDLER_READ_RND_NEXT 112
HANDLER_TMP_WRITE 127 HANDLER_TMP_WRITE 132
# + 18 for unlock (same as lock above) (100 is not in pNeg, no match) # + 18 for unlock (same as lock above) (100 is not in pNeg, no match)
# Test that EXPLAIN PARTITION works # Test that EXPLAIN PARTITION works
EXPLAIN PARTITIONS SELECT * FROM t1 PARTITION (pNonexistent); EXPLAIN PARTITIONS SELECT * FROM t1 PARTITION (pNonexistent);
@@ -460,7 +460,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 8 locks (1 ha_partition + 3 ha_innobase) x 2 (lock/unlock) # 8 locks (1 ha_partition + 3 ha_innobase) x 2 (lock/unlock)
EXPLAIN PARTITIONS SELECT * FROM t1 PARTITION (subp3) AS TableAlias; EXPLAIN PARTITIONS SELECT * FROM t1 PARTITION (subp3) AS TableAlias;
id select_type table partitions type possible_keys key key_len ref rows Extra id select_type table partitions type possible_keys key key_len ref rows Extra
@@ -513,7 +513,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_ROLLBACK 1 HANDLER_ROLLBACK 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_WRITE 1 HANDLER_WRITE 1
# 2 locks (1 ha_partition) x 2 (lock/unlock), Was 4 locks before WL4443 # 2 locks (1 ha_partition) x 2 (lock/unlock), Was 4 locks before WL4443
# explicit pruning says part_id 0 and implicit pruning says part_id 1 # explicit pruning says part_id 0 and implicit pruning says part_id 1
@@ -526,7 +526,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_WRITE 2 HANDLER_WRITE 2
# 1 commit # 1 commit
# 4 locks (1 ha_partition + 1 ha_innobase) x 2 (lock/unlock) # 4 locks (1 ha_partition + 1 ha_innobase) x 2 (lock/unlock)
@@ -544,7 +544,7 @@ WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_KEY 2 HANDLER_READ_KEY 2
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_UPDATE 2 HANDLER_UPDATE 2
HANDLER_WRITE 2 HANDLER_WRITE 2
# 1 commit # 1 commit
@@ -566,7 +566,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 1 commit # 1 commit
# 9 locks # 9 locks
# 17 write (internal I_S) # 17 write (internal I_S)
@@ -578,8 +578,8 @@ HANDLER_COMMIT 2
HANDLER_DELETE 2 HANDLER_DELETE 2
HANDLER_READ_KEY 1 HANDLER_READ_KEY 1
HANDLER_READ_NEXT 1 HANDLER_READ_NEXT 1
HANDLER_READ_RND_NEXT 27 HANDLER_READ_RND_NEXT 28
HANDLER_TMP_WRITE 49 HANDLER_TMP_WRITE 51
# + 1 commit # + 1 commit
# + 1 delete (one row deleted) # + 1 delete (one row deleted)
# + 3 read key (1 innodb_get_index in records_in_range, # + 3 read key (1 innodb_get_index in records_in_range,
@@ -596,9 +596,9 @@ HANDLER_COMMIT 2
HANDLER_DELETE 2 HANDLER_DELETE 2
HANDLER_READ_KEY 1 HANDLER_READ_KEY 1
HANDLER_READ_NEXT 1 HANDLER_READ_NEXT 1
HANDLER_READ_RND_NEXT 54 HANDLER_READ_RND_NEXT 56
HANDLER_ROLLBACK 1 HANDLER_ROLLBACK 1
HANDLER_TMP_WRITE 75 HANDLER_TMP_WRITE 78
HANDLER_WRITE 1 HANDLER_WRITE 1
# Failed before start_stmt/execution. # Failed before start_stmt/execution.
# + 19 rnd next (internal I_S) # + 19 rnd next (internal I_S)
@@ -612,9 +612,9 @@ HANDLER_COMMIT 3
HANDLER_DELETE 2 HANDLER_DELETE 2
HANDLER_READ_KEY 1 HANDLER_READ_KEY 1
HANDLER_READ_NEXT 1 HANDLER_READ_NEXT 1
HANDLER_READ_RND_NEXT 81 HANDLER_READ_RND_NEXT 84
HANDLER_ROLLBACK 1 HANDLER_ROLLBACK 1
HANDLER_TMP_WRITE 101 HANDLER_TMP_WRITE 105
HANDLER_WRITE 3 HANDLER_WRITE 3
# + 1 commit # + 1 commit
# + 19 rnd next (internal I_S) # + 19 rnd next (internal I_S)
@@ -627,9 +627,9 @@ HANDLER_COMMIT 4
HANDLER_DELETE 2 HANDLER_DELETE 2
HANDLER_READ_KEY 3 HANDLER_READ_KEY 3
HANDLER_READ_NEXT 1 HANDLER_READ_NEXT 1
HANDLER_READ_RND_NEXT 108 HANDLER_READ_RND_NEXT 112
HANDLER_ROLLBACK 1 HANDLER_ROLLBACK 1
HANDLER_TMP_WRITE 127 HANDLER_TMP_WRITE 132
HANDLER_UPDATE 2 HANDLER_UPDATE 2
HANDLER_WRITE 5 HANDLER_WRITE 5
# + 1 commit # + 1 commit
@@ -650,9 +650,9 @@ HANDLER_DELETE 2
HANDLER_READ_FIRST 1 HANDLER_READ_FIRST 1
HANDLER_READ_KEY 3 HANDLER_READ_KEY 3
HANDLER_READ_NEXT 4 HANDLER_READ_NEXT 4
HANDLER_READ_RND_NEXT 135 HANDLER_READ_RND_NEXT 140
HANDLER_ROLLBACK 1 HANDLER_ROLLBACK 1
HANDLER_TMP_WRITE 153 HANDLER_TMP_WRITE 159
HANDLER_UPDATE 2 HANDLER_UPDATE 2
HANDLER_WRITE 5 HANDLER_WRITE 5
# + 1 commit # + 1 commit
@@ -670,9 +670,9 @@ HANDLER_DELETE 2
HANDLER_READ_FIRST 1 HANDLER_READ_FIRST 1
HANDLER_READ_KEY 3 HANDLER_READ_KEY 3
HANDLER_READ_NEXT 4 HANDLER_READ_NEXT 4
HANDLER_READ_RND_NEXT 162 HANDLER_READ_RND_NEXT 168
HANDLER_ROLLBACK 1 HANDLER_ROLLBACK 1
HANDLER_TMP_WRITE 179 HANDLER_TMP_WRITE 186
HANDLER_UPDATE 2 HANDLER_UPDATE 2
HANDLER_WRITE 5 HANDLER_WRITE 5
# + 9 locks # + 9 locks
@@ -696,7 +696,7 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_FIRST 4 HANDLER_READ_FIRST 4
HANDLER_READ_NEXT 5 HANDLER_READ_NEXT 5
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 1 commit # 1 commit
# 10 locks (1 ha_partition + 4 ha_innobase) x 2 (lock/unlock) # 10 locks (1 ha_partition + 4 ha_innobase) x 2 (lock/unlock)
# 4 read first (for reading the first row in 4 partitions) # 4 read first (for reading the first row in 4 partitions)
@@ -709,7 +709,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 10 locks (table + 4 partition) x (lock + unlock) # 10 locks (table + 4 partition) x (lock + unlock)
SELECT * FROM t1 PARTITION (pNeg, `p10-99`); SELECT * FROM t1 PARTITION (pNeg, `p10-99`);
a b a b
@@ -720,7 +720,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_ROLLBACK 1 HANDLER_ROLLBACK 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_WRITE 3 HANDLER_WRITE 3
# 6 locks (1 ha_partition + 2 ha_innobase) x 2 (lock+unlock) # 6 locks (1 ha_partition + 2 ha_innobase) x 2 (lock+unlock)
# 1 rollback # 1 rollback
@@ -732,7 +732,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_WRITE 10 HANDLER_WRITE 10
# 10 lock (1 ha_partition + 4 ha_innobase) x 2 (lock + unlock) # 10 lock (1 ha_partition + 4 ha_innobase) x 2 (lock + unlock)
ALTER TABLE t1 TRUNCATE PARTITION pNeg, `p10-99`; ALTER TABLE t1 TRUNCATE PARTITION pNeg, `p10-99`;
@@ -742,7 +742,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 9 locks # 9 locks
# 18 read key (ALTER forces table to be closed, see above for open) # 18 read key (ALTER forces table to be closed, see above for open)
LOAD DATA INFILE 'loadtest.txt' INTO TABLE t1 PARTITION (pNeg, `p10-99`); LOAD DATA INFILE 'loadtest.txt' INTO TABLE t1 PARTITION (pNeg, `p10-99`);
@@ -750,8 +750,8 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 2 HANDLER_COMMIT 2
HANDLER_READ_RND_NEXT 27 HANDLER_READ_RND_NEXT 28
HANDLER_TMP_WRITE 49 HANDLER_TMP_WRITE 51
HANDLER_WRITE 10 HANDLER_WRITE 10
# + 23 write (18 internal I_S + 5 rows) # + 23 write (18 internal I_S + 5 rows)
UNLOCK TABLES; UNLOCK TABLES;
@@ -759,8 +759,8 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 2 HANDLER_COMMIT 2
HANDLER_READ_RND_NEXT 54 HANDLER_READ_RND_NEXT 56
HANDLER_TMP_WRITE 75 HANDLER_TMP_WRITE 78
HANDLER_WRITE 10 HANDLER_WRITE 10
# + 9 locks # + 9 locks
# #
@@ -773,7 +773,7 @@ WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_RND_NEXT 2 HANDLER_READ_RND_NEXT 2
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_UPDATE 2 HANDLER_UPDATE 2
# 1 commit # 1 commit
# 4 lock (1 ha_partition + 1 ha_innobase) x 2 (lock + unlock) # 4 lock (1 ha_partition + 1 ha_innobase) x 2 (lock + unlock)
@@ -791,7 +791,7 @@ WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_KEY 1 HANDLER_READ_KEY 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_UPDATE 2 HANDLER_UPDATE 2
# 1 commit # 1 commit
# 4 lock # 4 lock
@@ -806,7 +806,7 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_KEY 1 HANDLER_READ_KEY 1
HANDLER_READ_RND 1 HANDLER_READ_RND 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_UPDATE 2 HANDLER_UPDATE 2
# 1 commit # 1 commit
# 4 lock # 4 lock
@@ -819,7 +819,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# Nothing, since impossible PARTITION+WHERE clause. # Nothing, since impossible PARTITION+WHERE clause.
FLUSH STATUS; FLUSH STATUS;
UPDATE t1 PARTITION(subp0) SET a = -2, b = concat(b, ', Updated from a = 100') UPDATE t1 PARTITION(subp0) SET a = -2, b = concat(b, ', Updated from a = 100')
@@ -828,7 +828,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# Nothing, since impossible PARTITION+WHERE clause. # Nothing, since impossible PARTITION+WHERE clause.
FLUSH STATUS; FLUSH STATUS;
UPDATE t1 PARTITION(`p100-99999`) SET a = -2, b = concat(b, ', Updated from a = 100') UPDATE t1 PARTITION(`p100-99999`) SET a = -2, b = concat(b, ', Updated from a = 100')
@@ -840,7 +840,7 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_READ_KEY 1 HANDLER_READ_KEY 1
HANDLER_READ_RND 1 HANDLER_READ_RND 1
HANDLER_ROLLBACK 1 HANDLER_ROLLBACK 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_UPDATE 1 HANDLER_UPDATE 1
# 6 lock # 6 lock
# 4 read key (1 index init + 1 index read + 1 rnd init + 1 rnd pos) # 4 read key (1 index init + 1 index read + 1 rnd init + 1 rnd pos)
@@ -856,7 +856,7 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_READ_KEY 1 HANDLER_READ_KEY 1
HANDLER_READ_RND 1 HANDLER_READ_RND 1
HANDLER_ROLLBACK 1 HANDLER_ROLLBACK 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_UPDATE 1 HANDLER_UPDATE 1
HANDLER_WRITE 1 HANDLER_WRITE 1
# 10 locks # 10 locks
@@ -874,7 +874,7 @@ HANDLER_COMMIT 1
HANDLER_DELETE 1 HANDLER_DELETE 1
HANDLER_READ_KEY 1 HANDLER_READ_KEY 1
HANDLER_READ_RND 1 HANDLER_READ_RND 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_UPDATE 1 HANDLER_UPDATE 1
HANDLER_WRITE 1 HANDLER_WRITE 1
# 1 commit # 1 commit
@@ -902,7 +902,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# Nothing (no matching partition found) # Nothing (no matching partition found)
FLUSH STATUS; FLUSH STATUS;
UPDATE t1 PARTITION (pNeg) SET b = concat(b, ', Updated2') WHERE a = 1000000; UPDATE t1 PARTITION (pNeg) SET b = concat(b, ', Updated2') WHERE a = 1000000;
@@ -910,7 +910,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# Nothing (no matching partition found) # Nothing (no matching partition found)
FLUSH STATUS; FLUSH STATUS;
LOCK TABLE t1 WRITE; LOCK TABLE t1 WRITE;
@@ -918,7 +918,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 9 locks # 9 locks
UPDATE t1 PARTITION (subp7) SET b = concat(b, ', Updated to 103'), a = 103 WHERE a = 101; UPDATE t1 PARTITION (subp7) SET b = concat(b, ', Updated to 103'), a = 103 WHERE a = 101;
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
@@ -927,8 +927,8 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 2 HANDLER_COMMIT 2
HANDLER_READ_KEY 1 HANDLER_READ_KEY 1
HANDLER_READ_RND 1 HANDLER_READ_RND 1
HANDLER_READ_RND_NEXT 27 HANDLER_READ_RND_NEXT 28
HANDLER_TMP_WRITE 49 HANDLER_TMP_WRITE 51
HANDLER_UPDATE 2 HANDLER_UPDATE 2
# + 4 read key # + 4 read key
# + 1 read rnd # + 1 read rnd
@@ -941,8 +941,8 @@ HANDLER_COMMIT 3
HANDLER_DELETE 1 HANDLER_DELETE 1
HANDLER_READ_KEY 2 HANDLER_READ_KEY 2
HANDLER_READ_RND 2 HANDLER_READ_RND 2
HANDLER_READ_RND_NEXT 54 HANDLER_READ_RND_NEXT 56
HANDLER_TMP_WRITE 75 HANDLER_TMP_WRITE 78
HANDLER_UPDATE 3 HANDLER_UPDATE 3
HANDLER_WRITE 1 HANDLER_WRITE 1
# + 1 delete # + 1 delete
@@ -957,8 +957,8 @@ HANDLER_COMMIT 3
HANDLER_DELETE 1 HANDLER_DELETE 1
HANDLER_READ_KEY 2 HANDLER_READ_KEY 2
HANDLER_READ_RND 2 HANDLER_READ_RND 2
HANDLER_READ_RND_NEXT 81 HANDLER_READ_RND_NEXT 84
HANDLER_TMP_WRITE 101 HANDLER_TMP_WRITE 105
HANDLER_UPDATE 3 HANDLER_UPDATE 3
HANDLER_WRITE 1 HANDLER_WRITE 1
+ 9 locks + 9 locks
@@ -986,7 +986,7 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_DELETE 2 HANDLER_DELETE 2
HANDLER_READ_KEY 1 HANDLER_READ_KEY 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 1 delete # 1 delete
# 4 locks (pruning works!). # 4 locks (pruning works!).
# 1 read key (index read) # 1 read key (index read)
@@ -998,7 +998,7 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_DELETE 2 HANDLER_DELETE 2
HANDLER_READ_RND_NEXT 3 HANDLER_READ_RND_NEXT 3
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 1 delete # 1 delete
# 4 locks # 4 locks
# 1 read first # 1 read first
@@ -1010,7 +1010,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 9 locks # 9 locks
DELETE FROM t1 PARTITION (subp1) WHERE b = 'p0-9:subp3'; DELETE FROM t1 PARTITION (subp1) WHERE b = 'p0-9:subp3';
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
@@ -1018,8 +1018,8 @@ WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 2 HANDLER_COMMIT 2
HANDLER_READ_KEY 1 HANDLER_READ_KEY 1
HANDLER_READ_RND_NEXT 27 HANDLER_READ_RND_NEXT 28
HANDLER_TMP_WRITE 49 HANDLER_TMP_WRITE 51
# + 3 read key (1 innodb_get_index in records_in_range # + 3 read key (1 innodb_get_index in records_in_range
# + 1 innobase_get_index in index_init + 1 index read) # + 1 innobase_get_index in index_init + 1 index read)
DELETE FROM t1 PARTITION (`p0-9`) WHERE b = 'p0-9:subp3'; DELETE FROM t1 PARTITION (`p0-9`) WHERE b = 'p0-9:subp3';
@@ -1030,8 +1030,8 @@ HANDLER_COMMIT 3
HANDLER_DELETE 2 HANDLER_DELETE 2
HANDLER_READ_KEY 3 HANDLER_READ_KEY 3
HANDLER_READ_NEXT 1 HANDLER_READ_NEXT 1
HANDLER_READ_RND_NEXT 54 HANDLER_READ_RND_NEXT 56
HANDLER_TMP_WRITE 75 HANDLER_TMP_WRITE 78
# + 1 delete # + 1 delete
# + 6 read key (same as above, but for two subpartitions) # + 6 read key (same as above, but for two subpartitions)
# + 1 read next (read next after found row) # + 1 read next (read next after found row)
@@ -1043,8 +1043,8 @@ HANDLER_COMMIT 3
HANDLER_DELETE 2 HANDLER_DELETE 2
HANDLER_READ_KEY 3 HANDLER_READ_KEY 3
HANDLER_READ_NEXT 1 HANDLER_READ_NEXT 1
HANDLER_READ_RND_NEXT 81 HANDLER_READ_RND_NEXT 84
HANDLER_TMP_WRITE 101 HANDLER_TMP_WRITE 105
# + 9 locks # + 9 locks
# Test multi-table DELETE # Test multi-table DELETE
# Can be expressed in two different ways. # Can be expressed in two different ways.
@@ -1057,7 +1057,7 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_FIRST 5 HANDLER_READ_FIRST 5
HANDLER_READ_NEXT 5 HANDLER_READ_NEXT 5
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_WRITE 10 HANDLER_WRITE 10
# 24 locks (2 table, 5 + 5 subpartitions lock/unlock) # 24 locks (2 table, 5 + 5 subpartitions lock/unlock)
FLUSH STATUS; FLUSH STATUS;
@@ -1066,7 +1066,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 14 locks (1 table, 6 subpartitions lock/unlock) # 14 locks (1 table, 6 subpartitions lock/unlock)
FLUSH STATUS; FLUSH STATUS;
INSERT INTO t2 PARTITION (subp3) SELECT * FROM t1 PARTITION (subp3, `p10-99`, `p100-99999`); INSERT INTO t2 PARTITION (subp3) SELECT * FROM t1 PARTITION (subp3, `p10-99`, `p100-99999`);
@@ -1076,7 +1076,7 @@ WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_READ_FIRST 5 HANDLER_READ_FIRST 5
HANDLER_ROLLBACK 1 HANDLER_ROLLBACK 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_WRITE 1 HANDLER_WRITE 1
# 16 locks (2 tables, 1 + 5 subpartitions lock/unlock) # 16 locks (2 tables, 1 + 5 subpartitions lock/unlock)
FLUSH STATUS; FLUSH STATUS;
@@ -1091,7 +1091,7 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_FIRST 5 HANDLER_READ_FIRST 5
HANDLER_READ_NEXT 5 HANDLER_READ_NEXT 5
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_WRITE 7 HANDLER_WRITE 7
# 16 locks (2 tables, 1 + 5 subpartitions lock/unlock) # 16 locks (2 tables, 1 + 5 subpartitions lock/unlock)
TRUNCATE TABLE t2; TRUNCATE TABLE t2;
@@ -1103,7 +1103,7 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_FIRST 5 HANDLER_READ_FIRST 5
HANDLER_READ_NEXT 5 HANDLER_READ_NEXT 5
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_WRITE 10 HANDLER_WRITE 10
# 30 locks (2 table, 8 + 5 subpartitions lock/unlock) # 30 locks (2 table, 8 + 5 subpartitions lock/unlock)
FLUSH STATUS; FLUSH STATUS;
@@ -1114,7 +1114,7 @@ VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_FIRST 5 HANDLER_READ_FIRST 5
HANDLER_READ_NEXT 7 HANDLER_READ_NEXT 7
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
HANDLER_WRITE 7 HANDLER_WRITE 7
# 14 locks (2 table, 5 subpartitions lock/unlock) # 14 locks (2 table, 5 subpartitions lock/unlock)
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
@@ -1201,7 +1201,7 @@ WHERE t1.a = t3.a AND t3.b = 'subp3'' at line 1
SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# Multi table delete without any matching rows # Multi table delete without any matching rows
FLUSH STATUS; FLUSH STATUS;
DELETE t1, t2 FROM t1 PARTITION (pNeg), t3, t2 PARTITION (subp3) DELETE t1, t2 FROM t1 PARTITION (pNeg), t3, t2 PARTITION (subp3)
@@ -1211,7 +1211,7 @@ WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_READ_RND_NEXT 3 HANDLER_READ_RND_NEXT 3
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 12 locks (3 in t1, 1 in t3, 2 in t2) x 2 (lock + unlock) # 12 locks (3 in t1, 1 in t3, 2 in t2) x 2 (lock + unlock)
# 1 read first (first rnd_next in t2) # 1 read first (first rnd_next in t2)
# 4 read key (1 innodb_get_index in rnd_init in t2 + index read in t2 # 4 read key (1 innodb_get_index in rnd_init in t2 + index read in t2
@@ -1231,7 +1231,7 @@ HANDLER_READ_KEY 2
HANDLER_READ_NEXT 2 HANDLER_READ_NEXT 2
HANDLER_READ_RND 4 HANDLER_READ_RND 4
HANDLER_READ_RND_NEXT 16 HANDLER_READ_RND_NEXT 16
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 4 delete (2 in t2 + 2 in t3) # 4 delete (2 in t2 + 2 in t3)
# 12 locks (3 in t2, 1 in t3, 2 in t1) x 2 (lock + unlock) # 12 locks (3 in t2, 1 in t3, 2 in t1) x 2 (lock + unlock)
# 3 read first (1 in t1 + 1 in t3 + 1 in t3, for second row in t1) # 3 read first (1 in t1 + 1 in t3 + 1 in t3, for second row in t1)
@@ -1279,7 +1279,7 @@ SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS
WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0; WHERE VARIABLE_NAME LIKE 'HANDLER_%' AND VARIABLE_VALUE > 0;
VARIABLE_NAME VARIABLE_VALUE VARIABLE_NAME VARIABLE_VALUE
HANDLER_COMMIT 1 HANDLER_COMMIT 1
HANDLER_TMP_WRITE 23 HANDLER_TMP_WRITE 24
# 6 locks (lock/unlock two subpartitions + table) # 6 locks (lock/unlock two subpartitions + table)
# Test on non partitioned table # Test on non partitioned table
SELECT * FROM t3 PARTITION (pNeg); SELECT * FROM t3 PARTITION (pNeg);

34
mysql-test/r/selectivity.result
View File

@@ -80,7 +80,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY nation eq_ref PRIMARY,i_n_regionkey PRIMARY 4 dbt3_s001.supplier.s_nationkey 1 100.00 Using where 2 DEPENDENT SUBQUERY nation eq_ref PRIMARY,i_n_regionkey PRIMARY 4 dbt3_s001.supplier.s_nationkey 1 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.part.p_partkey' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'dbt3_s001.part.p_partkey' of SELECT #2 was resolved in SELECT #1
Note 1003 select `dbt3_s001`.`supplier`.`s_acctbal` AS `s_acctbal`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`nation`.`n_name` AS `n_name`,`dbt3_s001`.`part`.`p_partkey` AS `p_partkey`,`dbt3_s001`.`part`.`p_mfgr` AS `p_mfgr`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`dbt3_s001`.`supplier`.`s_comment` AS `s_comment` from `dbt3_s001`.`part` join `dbt3_s001`.`supplier` join `dbt3_s001`.`partsupp` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`supplier`.`s_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`part`.`p_size` = 9 and `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`region`.`r_regionkey` = `dbt3_s001`.`nation`.`n_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_type` like '%TIN' and `dbt3_s001`.`partsupp`.`ps_supplycost` = <expr_cache><`dbt3_s001`.`part`.`p_partkey`>((select min(`dbt3_s001`.`partsupp`.`ps_supplycost`) from `dbt3_s001`.`partsupp` join `dbt3_s001`.`supplier` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`supplier`.`s_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_regionkey` = `dbt3_s001`.`region`.`r_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey`)) order by `dbt3_s001`.`supplier`.`s_acctbal` desc,`dbt3_s001`.`nation`.`n_name`,`dbt3_s001`.`supplier`.`s_name`,`dbt3_s001`.`part`.`p_partkey` Note 1003 /* select#1 */ select `dbt3_s001`.`supplier`.`s_acctbal` AS `s_acctbal`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`nation`.`n_name` AS `n_name`,`dbt3_s001`.`part`.`p_partkey` AS `p_partkey`,`dbt3_s001`.`part`.`p_mfgr` AS `p_mfgr`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`dbt3_s001`.`supplier`.`s_comment` AS `s_comment` from `dbt3_s001`.`part` join `dbt3_s001`.`supplier` join `dbt3_s001`.`partsupp` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`supplier`.`s_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`part`.`p_size` = 9 and `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`region`.`r_regionkey` = `dbt3_s001`.`nation`.`n_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_type` like '%TIN' and `dbt3_s001`.`partsupp`.`ps_supplycost` = <expr_cache><`dbt3_s001`.`part`.`p_partkey`>((/* select#2 */ select min(`dbt3_s001`.`partsupp`.`ps_supplycost`) from `dbt3_s001`.`partsupp` join `dbt3_s001`.`supplier` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`supplier`.`s_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_regionkey` = `dbt3_s001`.`region`.`r_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey`)) order by `dbt3_s001`.`supplier`.`s_acctbal` desc,`dbt3_s001`.`nation`.`n_name`,`dbt3_s001`.`supplier`.`s_name`,`dbt3_s001`.`part`.`p_partkey`
set optimizer_use_condition_selectivity=4; set optimizer_use_condition_selectivity=4;
explain extended explain extended
select select
@@ -121,7 +121,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY nation eq_ref PRIMARY,i_n_regionkey PRIMARY 4 dbt3_s001.supplier.s_nationkey 1 100.00 Using where 2 DEPENDENT SUBQUERY nation eq_ref PRIMARY,i_n_regionkey PRIMARY 4 dbt3_s001.supplier.s_nationkey 1 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.part.p_partkey' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'dbt3_s001.part.p_partkey' of SELECT #2 was resolved in SELECT #1
Note 1003 select `dbt3_s001`.`supplier`.`s_acctbal` AS `s_acctbal`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`nation`.`n_name` AS `n_name`,`dbt3_s001`.`part`.`p_partkey` AS `p_partkey`,`dbt3_s001`.`part`.`p_mfgr` AS `p_mfgr`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`dbt3_s001`.`supplier`.`s_comment` AS `s_comment` from `dbt3_s001`.`part` join `dbt3_s001`.`supplier` join `dbt3_s001`.`partsupp` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_suppkey` = `dbt3_s001`.`supplier`.`s_suppkey` and `dbt3_s001`.`part`.`p_size` = 9 and `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_regionkey` = `dbt3_s001`.`region`.`r_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_type` like '%TIN' and `dbt3_s001`.`partsupp`.`ps_supplycost` = <expr_cache><`dbt3_s001`.`part`.`p_partkey`>((select min(`dbt3_s001`.`partsupp`.`ps_supplycost`) from `dbt3_s001`.`partsupp` join `dbt3_s001`.`supplier` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`supplier`.`s_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_regionkey` = `dbt3_s001`.`region`.`r_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey`)) order by `dbt3_s001`.`supplier`.`s_acctbal` desc,`dbt3_s001`.`nation`.`n_name`,`dbt3_s001`.`supplier`.`s_name`,`dbt3_s001`.`part`.`p_partkey` Note 1003 /* select#1 */ select `dbt3_s001`.`supplier`.`s_acctbal` AS `s_acctbal`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`nation`.`n_name` AS `n_name`,`dbt3_s001`.`part`.`p_partkey` AS `p_partkey`,`dbt3_s001`.`part`.`p_mfgr` AS `p_mfgr`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`dbt3_s001`.`supplier`.`s_comment` AS `s_comment` from `dbt3_s001`.`part` join `dbt3_s001`.`supplier` join `dbt3_s001`.`partsupp` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_suppkey` = `dbt3_s001`.`supplier`.`s_suppkey` and `dbt3_s001`.`part`.`p_size` = 9 and `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_regionkey` = `dbt3_s001`.`region`.`r_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_type` like '%TIN' and `dbt3_s001`.`partsupp`.`ps_supplycost` = <expr_cache><`dbt3_s001`.`part`.`p_partkey`>((/* select#2 */ select min(`dbt3_s001`.`partsupp`.`ps_supplycost`) from `dbt3_s001`.`partsupp` join `dbt3_s001`.`supplier` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`supplier`.`s_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_regionkey` = `dbt3_s001`.`region`.`r_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey`)) order by `dbt3_s001`.`supplier`.`s_acctbal` desc,`dbt3_s001`.`nation`.`n_name`,`dbt3_s001`.`supplier`.`s_name`,`dbt3_s001`.`part`.`p_partkey`
=== Q15 === === Q15 ===
create view revenue0 (supplier_no, total_revenue) as create view revenue0 (supplier_no, total_revenue) as
select l_suppkey, sum(l_extendedprice * (1 - l_discount)) select l_suppkey, sum(l_extendedprice * (1 - l_discount))
@@ -145,7 +145,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY <derived4> ALL NULL NULL NULL NULL 268 100.00 2 SUBQUERY <derived4> ALL NULL NULL NULL NULL 268 100.00
4 DERIVED lineitem range i_l_shipdate i_l_shipdate 4 NULL 268 100.00 Using where; Using temporary; Using filesort 4 DERIVED lineitem range i_l_shipdate i_l_shipdate 4 NULL 268 100.00 Using where; Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `dbt3_s001`.`supplier`.`s_suppkey` AS `s_suppkey`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`revenue0`.`total_revenue` AS `total_revenue` from `dbt3_s001`.`supplier` join `dbt3_s001`.`revenue0` where `revenue0`.`supplier_no` = `dbt3_s001`.`supplier`.`s_suppkey` and `revenue0`.`total_revenue` = (select max(`revenue0`.`total_revenue`) from `dbt3_s001`.`revenue0`) order by `dbt3_s001`.`supplier`.`s_suppkey` Note 1003 /* select#1 */ select `dbt3_s001`.`supplier`.`s_suppkey` AS `s_suppkey`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`revenue0`.`total_revenue` AS `total_revenue` from `dbt3_s001`.`supplier` join `dbt3_s001`.`revenue0` where `revenue0`.`supplier_no` = `dbt3_s001`.`supplier`.`s_suppkey` and `revenue0`.`total_revenue` = (/* select#2 */ select max(`revenue0`.`total_revenue`) from `dbt3_s001`.`revenue0`) order by `dbt3_s001`.`supplier`.`s_suppkey`
select s_suppkey, s_name, s_address, s_phone, total_revenue select s_suppkey, s_name, s_address, s_phone, total_revenue
from supplier, revenue0 from supplier, revenue0
where s_suppkey = supplier_no where s_suppkey = supplier_no
@@ -166,7 +166,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY <derived4> ALL NULL NULL NULL NULL 268 100.00 2 SUBQUERY <derived4> ALL NULL NULL NULL NULL 268 100.00
4 DERIVED lineitem range i_l_shipdate i_l_shipdate 4 NULL 268 100.00 Using where; Using temporary; Using filesort 4 DERIVED lineitem range i_l_shipdate i_l_shipdate 4 NULL 268 100.00 Using where; Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `dbt3_s001`.`supplier`.`s_suppkey` AS `s_suppkey`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`revenue0`.`total_revenue` AS `total_revenue` from `dbt3_s001`.`supplier` join `dbt3_s001`.`revenue0` where `revenue0`.`supplier_no` = `dbt3_s001`.`supplier`.`s_suppkey` and `revenue0`.`total_revenue` = (select max(`revenue0`.`total_revenue`) from `dbt3_s001`.`revenue0`) order by `dbt3_s001`.`supplier`.`s_suppkey` Note 1003 /* select#1 */ select `dbt3_s001`.`supplier`.`s_suppkey` AS `s_suppkey`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`revenue0`.`total_revenue` AS `total_revenue` from `dbt3_s001`.`supplier` join `dbt3_s001`.`revenue0` where `revenue0`.`supplier_no` = `dbt3_s001`.`supplier`.`s_suppkey` and `revenue0`.`total_revenue` = (/* select#2 */ select max(`revenue0`.`total_revenue`) from `dbt3_s001`.`revenue0`) order by `dbt3_s001`.`supplier`.`s_suppkey`
select s_suppkey, s_name, s_address, s_phone, total_revenue select s_suppkey, s_name, s_address, s_phone, total_revenue
from supplier, revenue0 from supplier, revenue0
where s_suppkey = supplier_no where s_suppkey = supplier_no
@@ -193,7 +193,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY partsupp ref PRIMARY,i_ps_partkey PRIMARY 4 dbt3_s001.part.p_partkey 3 100.00 Using where; Using index 1 PRIMARY partsupp ref PRIMARY,i_ps_partkey PRIMARY 4 dbt3_s001.part.p_partkey 3 100.00 Using where; Using index
2 MATERIALIZED supplier ALL PRIMARY NULL NULL NULL 10 100.00 Using where 2 MATERIALIZED supplier ALL PRIMARY NULL NULL NULL 10 100.00 Using where
Warnings: Warnings:
Note 1003 select `dbt3_s001`.`part`.`p_brand` AS `p_brand`,`dbt3_s001`.`part`.`p_type` AS `p_type`,`dbt3_s001`.`part`.`p_size` AS `p_size`,count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) AS `supplier_cnt` from `dbt3_s001`.`partsupp` join `dbt3_s001`.`part` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`part`.`p_brand` <> 'Brand#11' and `dbt3_s001`.`part`.`p_type` not like 'SMALL POLISHED%' and `dbt3_s001`.`part`.`p_size` in (49,37,27,5,40,6,22,8) and !<expr_cache><`dbt3_s001`.`partsupp`.`ps_suppkey`>(<in_optimizer>(`dbt3_s001`.`partsupp`.`ps_suppkey`,`dbt3_s001`.`partsupp`.`ps_suppkey` in ( <materialize> (select `dbt3_s001`.`supplier`.`s_suppkey` from `dbt3_s001`.`supplier` where `dbt3_s001`.`supplier`.`s_comment` like '%Customer%Complaints%' ), <primary_index_lookup>(`dbt3_s001`.`partsupp`.`ps_suppkey` in <temporary table> on distinct_key where `dbt3_s001`.`partsupp`.`ps_suppkey` = `<subquery2>`.`s_suppkey`)))) group by `dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` order by count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) desc,`dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` Note 1003 /* select#1 */ select `dbt3_s001`.`part`.`p_brand` AS `p_brand`,`dbt3_s001`.`part`.`p_type` AS `p_type`,`dbt3_s001`.`part`.`p_size` AS `p_size`,count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) AS `supplier_cnt` from `dbt3_s001`.`partsupp` join `dbt3_s001`.`part` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`part`.`p_brand` <> 'Brand#11' and `dbt3_s001`.`part`.`p_type` not like 'SMALL POLISHED%' and `dbt3_s001`.`part`.`p_size` in (49,37,27,5,40,6,22,8) and !<expr_cache><`dbt3_s001`.`partsupp`.`ps_suppkey`>(<in_optimizer>(`dbt3_s001`.`partsupp`.`ps_suppkey`,`dbt3_s001`.`partsupp`.`ps_suppkey` in ( <materialize> (/* select#2 */ select `dbt3_s001`.`supplier`.`s_suppkey` from `dbt3_s001`.`supplier` where `dbt3_s001`.`supplier`.`s_comment` like '%Customer%Complaints%' ), <primary_index_lookup>(`dbt3_s001`.`partsupp`.`ps_suppkey` in <temporary table> on distinct_key where `dbt3_s001`.`partsupp`.`ps_suppkey` = `<subquery2>`.`s_suppkey`)))) group by `dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` order by count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) desc,`dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size`
select p_brand, p_type, p_size, count(distinct ps_suppkey) as supplier_cnt select p_brand, p_type, p_size, count(distinct ps_suppkey) as supplier_cnt
from partsupp, part from partsupp, part
where p_partkey = ps_partkey where p_partkey = ps_partkey
@@ -237,7 +237,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY partsupp ref PRIMARY,i_ps_partkey PRIMARY 4 dbt3_s001.part.p_partkey 3 100.00 Using where; Using index 1 PRIMARY partsupp ref PRIMARY,i_ps_partkey PRIMARY 4 dbt3_s001.part.p_partkey 3 100.00 Using where; Using index
2 MATERIALIZED supplier ALL PRIMARY NULL NULL NULL 10 100.00 Using where 2 MATERIALIZED supplier ALL PRIMARY NULL NULL NULL 10 100.00 Using where
Warnings: Warnings:
Note 1003 select `dbt3_s001`.`part`.`p_brand` AS `p_brand`,`dbt3_s001`.`part`.`p_type` AS `p_type`,`dbt3_s001`.`part`.`p_size` AS `p_size`,count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) AS `supplier_cnt` from `dbt3_s001`.`partsupp` join `dbt3_s001`.`part` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`part`.`p_brand` <> 'Brand#11' and `dbt3_s001`.`part`.`p_type` not like 'SMALL POLISHED%' and `dbt3_s001`.`part`.`p_size` in (49,37,27,5,40,6,22,8) and !<expr_cache><`dbt3_s001`.`partsupp`.`ps_suppkey`>(<in_optimizer>(`dbt3_s001`.`partsupp`.`ps_suppkey`,`dbt3_s001`.`partsupp`.`ps_suppkey` in ( <materialize> (select `dbt3_s001`.`supplier`.`s_suppkey` from `dbt3_s001`.`supplier` where `dbt3_s001`.`supplier`.`s_comment` like '%Customer%Complaints%' ), <primary_index_lookup>(`dbt3_s001`.`partsupp`.`ps_suppkey` in <temporary table> on distinct_key where `dbt3_s001`.`partsupp`.`ps_suppkey` = `<subquery2>`.`s_suppkey`)))) group by `dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` order by count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) desc,`dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` Note 1003 /* select#1 */ select `dbt3_s001`.`part`.`p_brand` AS `p_brand`,`dbt3_s001`.`part`.`p_type` AS `p_type`,`dbt3_s001`.`part`.`p_size` AS `p_size`,count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) AS `supplier_cnt` from `dbt3_s001`.`partsupp` join `dbt3_s001`.`part` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`part`.`p_brand` <> 'Brand#11' and `dbt3_s001`.`part`.`p_type` not like 'SMALL POLISHED%' and `dbt3_s001`.`part`.`p_size` in (49,37,27,5,40,6,22,8) and !<expr_cache><`dbt3_s001`.`partsupp`.`ps_suppkey`>(<in_optimizer>(`dbt3_s001`.`partsupp`.`ps_suppkey`,`dbt3_s001`.`partsupp`.`ps_suppkey` in ( <materialize> (/* select#2 */ select `dbt3_s001`.`supplier`.`s_suppkey` from `dbt3_s001`.`supplier` where `dbt3_s001`.`supplier`.`s_comment` like '%Customer%Complaints%' ), <primary_index_lookup>(`dbt3_s001`.`partsupp`.`ps_suppkey` in <temporary table> on distinct_key where `dbt3_s001`.`partsupp`.`ps_suppkey` = `<subquery2>`.`s_suppkey`)))) group by `dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` order by count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) desc,`dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size`
select p_brand, p_type, p_size, count(distinct ps_suppkey) as supplier_cnt select p_brand, p_type, p_size, count(distinct ps_suppkey) as supplier_cnt
from partsupp, part from partsupp, part
where p_partkey = ps_partkey where p_partkey = ps_partkey
@@ -281,7 +281,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY partsupp ref PRIMARY,i_ps_partkey PRIMARY 4 dbt3_s001.part.p_partkey 3 100.00 Using where; Using index 1 PRIMARY partsupp ref PRIMARY,i_ps_partkey PRIMARY 4 dbt3_s001.part.p_partkey 3 100.00 Using where; Using index
2 MATERIALIZED supplier ALL PRIMARY NULL NULL NULL 10 100.00 Using where 2 MATERIALIZED supplier ALL PRIMARY NULL NULL NULL 10 100.00 Using where
Warnings: Warnings:
Note 1003 select `dbt3_s001`.`part`.`p_brand` AS `p_brand`,`dbt3_s001`.`part`.`p_type` AS `p_type`,`dbt3_s001`.`part`.`p_size` AS `p_size`,count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) AS `supplier_cnt` from `dbt3_s001`.`partsupp` join `dbt3_s001`.`part` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`part`.`p_brand` <> 'Brand#11' and `dbt3_s001`.`part`.`p_type` not like 'SMALL POLISHED%' and `dbt3_s001`.`part`.`p_size` in (49,37,27,5,40,6,22,8) and !<expr_cache><`dbt3_s001`.`partsupp`.`ps_suppkey`>(<in_optimizer>(`dbt3_s001`.`partsupp`.`ps_suppkey`,`dbt3_s001`.`partsupp`.`ps_suppkey` in ( <materialize> (select `dbt3_s001`.`supplier`.`s_suppkey` from `dbt3_s001`.`supplier` where `dbt3_s001`.`supplier`.`s_comment` like '%Customer%Complaints%' ), <primary_index_lookup>(`dbt3_s001`.`partsupp`.`ps_suppkey` in <temporary table> on distinct_key where `dbt3_s001`.`partsupp`.`ps_suppkey` = `<subquery2>`.`s_suppkey`)))) group by `dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` order by count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) desc,`dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` Note 1003 /* select#1 */ select `dbt3_s001`.`part`.`p_brand` AS `p_brand`,`dbt3_s001`.`part`.`p_type` AS `p_type`,`dbt3_s001`.`part`.`p_size` AS `p_size`,count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) AS `supplier_cnt` from `dbt3_s001`.`partsupp` join `dbt3_s001`.`part` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`part`.`p_brand` <> 'Brand#11' and `dbt3_s001`.`part`.`p_type` not like 'SMALL POLISHED%' and `dbt3_s001`.`part`.`p_size` in (49,37,27,5,40,6,22,8) and !<expr_cache><`dbt3_s001`.`partsupp`.`ps_suppkey`>(<in_optimizer>(`dbt3_s001`.`partsupp`.`ps_suppkey`,`dbt3_s001`.`partsupp`.`ps_suppkey` in ( <materialize> (/* select#2 */ select `dbt3_s001`.`supplier`.`s_suppkey` from `dbt3_s001`.`supplier` where `dbt3_s001`.`supplier`.`s_comment` like '%Customer%Complaints%' ), <primary_index_lookup>(`dbt3_s001`.`partsupp`.`ps_suppkey` in <temporary table> on distinct_key where `dbt3_s001`.`partsupp`.`ps_suppkey` = `<subquery2>`.`s_suppkey`)))) group by `dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` order by count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) desc,`dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size`
select p_brand, p_type, p_size, count(distinct ps_suppkey) as supplier_cnt select p_brand, p_type, p_size, count(distinct ps_suppkey) as supplier_cnt
from partsupp, part from partsupp, part
where p_partkey = ps_partkey where p_partkey = ps_partkey
@@ -328,7 +328,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY lineitem ref PRIMARY,i_l_orderkey,i_l_orderkey_quantity i_l_orderkey_quantity 4 dbt3_s001.orders.o_orderkey 4 100.00 Using index 1 PRIMARY lineitem ref PRIMARY,i_l_orderkey,i_l_orderkey_quantity i_l_orderkey_quantity 4 dbt3_s001.orders.o_orderkey 4 100.00 Using index
2 MATERIALIZED lineitem index NULL i_l_orderkey_quantity 13 NULL 6005 100.00 Using index 2 MATERIALIZED lineitem index NULL i_l_orderkey_quantity 13 NULL 6005 100.00 Using index
Warnings: Warnings:
Note 1003 select `dbt3_s001`.`customer`.`c_name` AS `c_name`,`dbt3_s001`.`customer`.`c_custkey` AS `c_custkey`,`dbt3_s001`.`orders`.`o_orderkey` AS `o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE` AS `o_orderdate`,`dbt3_s001`.`orders`.`o_totalprice` AS `o_totalprice`,sum(`dbt3_s001`.`lineitem`.`l_quantity`) AS `sum(l_quantity)` from <materialize> (select `dbt3_s001`.`lineitem`.`l_orderkey` from `dbt3_s001`.`lineitem` group by `dbt3_s001`.`lineitem`.`l_orderkey` having sum(`dbt3_s001`.`lineitem`.`l_quantity`) > 250) join `dbt3_s001`.`customer` join `dbt3_s001`.`orders` join `dbt3_s001`.`lineitem` where `dbt3_s001`.`customer`.`c_custkey` = `dbt3_s001`.`orders`.`o_custkey` and `<subquery2>`.`l_orderkey` = `dbt3_s001`.`orders`.`o_orderkey` and `dbt3_s001`.`lineitem`.`l_orderkey` = `dbt3_s001`.`orders`.`o_orderkey` group by `dbt3_s001`.`customer`.`c_name`,`dbt3_s001`.`customer`.`c_custkey`,`dbt3_s001`.`orders`.`o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE`,`dbt3_s001`.`orders`.`o_totalprice` order by `dbt3_s001`.`orders`.`o_totalprice` desc,`dbt3_s001`.`orders`.`o_orderDATE` Note 1003 /* select#1 */ select `dbt3_s001`.`customer`.`c_name` AS `c_name`,`dbt3_s001`.`customer`.`c_custkey` AS `c_custkey`,`dbt3_s001`.`orders`.`o_orderkey` AS `o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE` AS `o_orderdate`,`dbt3_s001`.`orders`.`o_totalprice` AS `o_totalprice`,sum(`dbt3_s001`.`lineitem`.`l_quantity`) AS `sum(l_quantity)` from <materialize> (/* select#2 */ select `dbt3_s001`.`lineitem`.`l_orderkey` from `dbt3_s001`.`lineitem` group by `dbt3_s001`.`lineitem`.`l_orderkey` having sum(`dbt3_s001`.`lineitem`.`l_quantity`) > 250) join `dbt3_s001`.`customer` join `dbt3_s001`.`orders` join `dbt3_s001`.`lineitem` where `dbt3_s001`.`customer`.`c_custkey` = `dbt3_s001`.`orders`.`o_custkey` and `<subquery2>`.`l_orderkey` = `dbt3_s001`.`orders`.`o_orderkey` and `dbt3_s001`.`lineitem`.`l_orderkey` = `dbt3_s001`.`orders`.`o_orderkey` group by `dbt3_s001`.`customer`.`c_name`,`dbt3_s001`.`customer`.`c_custkey`,`dbt3_s001`.`orders`.`o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE`,`dbt3_s001`.`orders`.`o_totalprice` order by `dbt3_s001`.`orders`.`o_totalprice` desc,`dbt3_s001`.`orders`.`o_orderDATE`
select select
c_name, c_custkey, o_orderkey, o_orderdate, o_totalprice, sum(l_quantity) c_name, c_custkey, o_orderkey, o_orderdate, o_totalprice, sum(l_quantity)
from customer, orders, lineitem from customer, orders, lineitem
@@ -362,7 +362,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY lineitem ref PRIMARY,i_l_orderkey,i_l_orderkey_quantity PRIMARY 4 <subquery2>.l_orderkey 4 100.00 1 PRIMARY lineitem ref PRIMARY,i_l_orderkey,i_l_orderkey_quantity PRIMARY 4 <subquery2>.l_orderkey 4 100.00
2 MATERIALIZED lineitem index NULL i_l_orderkey_quantity 13 NULL 6005 100.00 Using index 2 MATERIALIZED lineitem index NULL i_l_orderkey_quantity 13 NULL 6005 100.00 Using index
Warnings: Warnings:
Note 1003 select `dbt3_s001`.`customer`.`c_name` AS `c_name`,`dbt3_s001`.`customer`.`c_custkey` AS `c_custkey`,`dbt3_s001`.`orders`.`o_orderkey` AS `o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE` AS `o_orderdate`,`dbt3_s001`.`orders`.`o_totalprice` AS `o_totalprice`,sum(`dbt3_s001`.`lineitem`.`l_quantity`) AS `sum(l_quantity)` from <materialize> (select `dbt3_s001`.`lineitem`.`l_orderkey` from `dbt3_s001`.`lineitem` group by `dbt3_s001`.`lineitem`.`l_orderkey` having sum(`dbt3_s001`.`lineitem`.`l_quantity`) > 250) join `dbt3_s001`.`customer` join `dbt3_s001`.`orders` join `dbt3_s001`.`lineitem` where `dbt3_s001`.`customer`.`c_custkey` = `dbt3_s001`.`orders`.`o_custkey` and `dbt3_s001`.`orders`.`o_orderkey` = `<subquery2>`.`l_orderkey` and `dbt3_s001`.`lineitem`.`l_orderkey` = `<subquery2>`.`l_orderkey` group by `dbt3_s001`.`customer`.`c_name`,`dbt3_s001`.`customer`.`c_custkey`,`dbt3_s001`.`orders`.`o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE`,`dbt3_s001`.`orders`.`o_totalprice` order by `dbt3_s001`.`orders`.`o_totalprice` desc,`dbt3_s001`.`orders`.`o_orderDATE` Note 1003 /* select#1 */ select `dbt3_s001`.`customer`.`c_name` AS `c_name`,`dbt3_s001`.`customer`.`c_custkey` AS `c_custkey`,`dbt3_s001`.`orders`.`o_orderkey` AS `o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE` AS `o_orderdate`,`dbt3_s001`.`orders`.`o_totalprice` AS `o_totalprice`,sum(`dbt3_s001`.`lineitem`.`l_quantity`) AS `sum(l_quantity)` from <materialize> (/* select#2 */ select `dbt3_s001`.`lineitem`.`l_orderkey` from `dbt3_s001`.`lineitem` group by `dbt3_s001`.`lineitem`.`l_orderkey` having sum(`dbt3_s001`.`lineitem`.`l_quantity`) > 250) join `dbt3_s001`.`customer` join `dbt3_s001`.`orders` join `dbt3_s001`.`lineitem` where `dbt3_s001`.`customer`.`c_custkey` = `dbt3_s001`.`orders`.`o_custkey` and `dbt3_s001`.`orders`.`o_orderkey` = `<subquery2>`.`l_orderkey` and `dbt3_s001`.`lineitem`.`l_orderkey` = `<subquery2>`.`l_orderkey` group by `dbt3_s001`.`customer`.`c_name`,`dbt3_s001`.`customer`.`c_custkey`,`dbt3_s001`.`orders`.`o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE`,`dbt3_s001`.`orders`.`o_totalprice` order by `dbt3_s001`.`orders`.`o_totalprice` desc,`dbt3_s001`.`orders`.`o_orderDATE`
select select
c_name, c_custkey, o_orderkey, o_orderdate, o_totalprice, sum(l_quantity) c_name, c_custkey, o_orderkey, o_orderdate, o_totalprice, sum(l_quantity)
from customer, orders, lineitem from customer, orders, lineitem
@@ -400,7 +400,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 SUBQUERY customer ALL NULL NULL NULL NULL 150 100.00 Using where 3 SUBQUERY customer ALL NULL NULL NULL NULL 150 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,exists(select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) Note 1003 /* select#1 */ select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (/* select#3 */ select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,exists(/* select#4 */ select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal
from ( from (
select substr(c_phone, 1, 2) as cntrycode, c_acctbal select substr(c_phone, 1, 2) as cntrycode, c_acctbal
@@ -441,7 +441,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 SUBQUERY customer ALL NULL NULL NULL NULL 150 91.00 Using where 3 SUBQUERY customer ALL NULL NULL NULL NULL 150 91.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,exists(select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) Note 1003 /* select#1 */ select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (/* select#3 */ select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,exists(/* select#4 */ select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal
from ( from (
select substr(c_phone, 1, 2) as cntrycode, c_acctbal select substr(c_phone, 1, 2) as cntrycode, c_acctbal
@@ -491,7 +491,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10 Note 1003 /* select#1 */ select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((/* select#4 */ select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10
select sql_calc_found_rows select sql_calc_found_rows
s_name, s_address s_name, s_address
from supplier, nation from supplier, nation
@@ -544,7 +544,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_suppkey` = `dbt3_s001`.`supplier`.`s_suppkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10 Note 1003 /* select#1 */ select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_suppkey` = `dbt3_s001`.`supplier`.`s_suppkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((/* select#4 */ select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10
select sql_calc_found_rows select sql_calc_found_rows
s_name, s_address s_name, s_address
from supplier, nation from supplier, nation
@@ -599,7 +599,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_suppkey` = `dbt3_s001`.`supplier`.`s_suppkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10 Note 1003 /* select#1 */ select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_suppkey` = `dbt3_s001`.`supplier`.`s_suppkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((/* select#4 */ select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10
select sql_calc_found_rows select sql_calc_found_rows
s_name, s_address s_name, s_address
from supplier, nation from supplier, nation
@@ -654,7 +654,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_suppkey` = `dbt3_s001`.`supplier`.`s_suppkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10 Note 1003 /* select#1 */ select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_suppkey` = `dbt3_s001`.`supplier`.`s_suppkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((/* select#4 */ select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10
select sql_calc_found_rows select sql_calc_found_rows
s_name, s_address s_name, s_address
from supplier, nation from supplier, nation
@@ -709,7 +709,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_suppkey` = `dbt3_s001`.`supplier`.`s_suppkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10 Note 1003 /* select#1 */ select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_suppkey` = `dbt3_s001`.`supplier`.`s_suppkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((/* select#4 */ select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10
select sql_calc_found_rows select sql_calc_found_rows
s_name, s_address s_name, s_address
from supplier, nation from supplier, nation
@@ -985,7 +985,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY t2 ALL NULL NULL NULL NULL 7 100.00 2 SUBQUERY t2 ALL NULL NULL NULL NULL 7 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 14 100.00 Using join buffer (flat, BNL join) 2 SUBQUERY t1 ALL NULL NULL NULL NULL 14 100.00 Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` join `test`.`t2` where <cache>(<in_optimizer>(1,exists(select 1 from `test`.`t1` join `test`.`t2`))) and `test`.`t1`.`a` <> `test`.`t2`.`b` or `test`.`t1`.`a` <= 4 Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` join `test`.`t2` where <cache>(<in_optimizer>(1,exists(/* select#2 */ select 1 from `test`.`t1` join `test`.`t2`))) and `test`.`t1`.`a` <> `test`.`t2`.`b` or `test`.`t1`.`a` <= 4
set optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity; set optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity;
DROP TABLE t1,t2; DROP TABLE t1,t2;
set use_stat_tables=@save_use_stat_tables; set use_stat_tables=@save_use_stat_tables;

34
mysql-test/r/selectivity_innodb.result
View File

@@ -83,7 +83,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY nation eq_ref PRIMARY,i_n_regionkey PRIMARY 4 dbt3_s001.supplier.s_nationkey 1 100.00 Using where 2 DEPENDENT SUBQUERY nation eq_ref PRIMARY,i_n_regionkey PRIMARY 4 dbt3_s001.supplier.s_nationkey 1 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.part.p_partkey' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'dbt3_s001.part.p_partkey' of SELECT #2 was resolved in SELECT #1
Note 1003 select `dbt3_s001`.`supplier`.`s_acctbal` AS `s_acctbal`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`nation`.`n_name` AS `n_name`,`dbt3_s001`.`part`.`p_partkey` AS `p_partkey`,`dbt3_s001`.`part`.`p_mfgr` AS `p_mfgr`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`dbt3_s001`.`supplier`.`s_comment` AS `s_comment` from `dbt3_s001`.`part` join `dbt3_s001`.`supplier` join `dbt3_s001`.`partsupp` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`supplier`.`s_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`part`.`p_size` = 9 and `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_regionkey` = `dbt3_s001`.`region`.`r_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_type` like '%TIN' and `dbt3_s001`.`partsupp`.`ps_supplycost` = <expr_cache><`dbt3_s001`.`part`.`p_partkey`>((select min(`dbt3_s001`.`partsupp`.`ps_supplycost`) from `dbt3_s001`.`partsupp` join `dbt3_s001`.`supplier` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`supplier`.`s_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_regionkey` = `dbt3_s001`.`region`.`r_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey`)) order by `dbt3_s001`.`supplier`.`s_acctbal` desc,`dbt3_s001`.`nation`.`n_name`,`dbt3_s001`.`supplier`.`s_name`,`dbt3_s001`.`part`.`p_partkey` Note 1003 /* select#1 */ select `dbt3_s001`.`supplier`.`s_acctbal` AS `s_acctbal`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`nation`.`n_name` AS `n_name`,`dbt3_s001`.`part`.`p_partkey` AS `p_partkey`,`dbt3_s001`.`part`.`p_mfgr` AS `p_mfgr`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`dbt3_s001`.`supplier`.`s_comment` AS `s_comment` from `dbt3_s001`.`part` join `dbt3_s001`.`supplier` join `dbt3_s001`.`partsupp` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`supplier`.`s_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`part`.`p_size` = 9 and `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_regionkey` = `dbt3_s001`.`region`.`r_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_type` like '%TIN' and `dbt3_s001`.`partsupp`.`ps_supplycost` = <expr_cache><`dbt3_s001`.`part`.`p_partkey`>((/* select#2 */ select min(`dbt3_s001`.`partsupp`.`ps_supplycost`) from `dbt3_s001`.`partsupp` join `dbt3_s001`.`supplier` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`supplier`.`s_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_regionkey` = `dbt3_s001`.`region`.`r_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey`)) order by `dbt3_s001`.`supplier`.`s_acctbal` desc,`dbt3_s001`.`nation`.`n_name`,`dbt3_s001`.`supplier`.`s_name`,`dbt3_s001`.`part`.`p_partkey`
set optimizer_use_condition_selectivity=4; set optimizer_use_condition_selectivity=4;
explain extended explain extended
select select
@@ -124,7 +124,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY nation eq_ref PRIMARY,i_n_regionkey PRIMARY 4 dbt3_s001.supplier.s_nationkey 1 100.00 Using where 2 DEPENDENT SUBQUERY nation eq_ref PRIMARY,i_n_regionkey PRIMARY 4 dbt3_s001.supplier.s_nationkey 1 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.part.p_partkey' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'dbt3_s001.part.p_partkey' of SELECT #2 was resolved in SELECT #1
Note 1003 select `dbt3_s001`.`supplier`.`s_acctbal` AS `s_acctbal`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`nation`.`n_name` AS `n_name`,`dbt3_s001`.`part`.`p_partkey` AS `p_partkey`,`dbt3_s001`.`part`.`p_mfgr` AS `p_mfgr`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`dbt3_s001`.`supplier`.`s_comment` AS `s_comment` from `dbt3_s001`.`part` join `dbt3_s001`.`supplier` join `dbt3_s001`.`partsupp` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`supplier`.`s_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`part`.`p_size` = 9 and `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_regionkey` = `dbt3_s001`.`region`.`r_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_type` like '%TIN' and `dbt3_s001`.`partsupp`.`ps_supplycost` = <expr_cache><`dbt3_s001`.`part`.`p_partkey`>((select min(`dbt3_s001`.`partsupp`.`ps_supplycost`) from `dbt3_s001`.`partsupp` join `dbt3_s001`.`supplier` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`supplier`.`s_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_regionkey` = `dbt3_s001`.`region`.`r_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey`)) order by `dbt3_s001`.`supplier`.`s_acctbal` desc,`dbt3_s001`.`nation`.`n_name`,`dbt3_s001`.`supplier`.`s_name`,`dbt3_s001`.`part`.`p_partkey` Note 1003 /* select#1 */ select `dbt3_s001`.`supplier`.`s_acctbal` AS `s_acctbal`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`nation`.`n_name` AS `n_name`,`dbt3_s001`.`part`.`p_partkey` AS `p_partkey`,`dbt3_s001`.`part`.`p_mfgr` AS `p_mfgr`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`dbt3_s001`.`supplier`.`s_comment` AS `s_comment` from `dbt3_s001`.`part` join `dbt3_s001`.`supplier` join `dbt3_s001`.`partsupp` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`supplier`.`s_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`part`.`p_size` = 9 and `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_regionkey` = `dbt3_s001`.`region`.`r_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_type` like '%TIN' and `dbt3_s001`.`partsupp`.`ps_supplycost` = <expr_cache><`dbt3_s001`.`part`.`p_partkey`>((/* select#2 */ select min(`dbt3_s001`.`partsupp`.`ps_supplycost`) from `dbt3_s001`.`partsupp` join `dbt3_s001`.`supplier` join `dbt3_s001`.`nation` join `dbt3_s001`.`region` where `dbt3_s001`.`supplier`.`s_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_regionkey` = `dbt3_s001`.`region`.`r_regionkey` and `dbt3_s001`.`region`.`r_name` = 'ASIA' and `dbt3_s001`.`part`.`p_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey`)) order by `dbt3_s001`.`supplier`.`s_acctbal` desc,`dbt3_s001`.`nation`.`n_name`,`dbt3_s001`.`supplier`.`s_name`,`dbt3_s001`.`part`.`p_partkey`
=== Q15 === === Q15 ===
create view revenue0 (supplier_no, total_revenue) as create view revenue0 (supplier_no, total_revenue) as
select l_suppkey, sum(l_extendedprice * (1 - l_discount)) select l_suppkey, sum(l_extendedprice * (1 - l_discount))
@@ -148,7 +148,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY <derived4> ALL NULL NULL NULL NULL 229 100.00 2 SUBQUERY <derived4> ALL NULL NULL NULL NULL 229 100.00
4 DERIVED lineitem range i_l_shipdate i_l_shipdate 4 NULL 229 100.00 Using where; Using temporary; Using filesort 4 DERIVED lineitem range i_l_shipdate i_l_shipdate 4 NULL 229 100.00 Using where; Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `dbt3_s001`.`supplier`.`s_suppkey` AS `s_suppkey`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`revenue0`.`total_revenue` AS `total_revenue` from `dbt3_s001`.`supplier` join `dbt3_s001`.`revenue0` where `revenue0`.`supplier_no` = `dbt3_s001`.`supplier`.`s_suppkey` and `revenue0`.`total_revenue` = (select max(`revenue0`.`total_revenue`) from `dbt3_s001`.`revenue0`) order by `dbt3_s001`.`supplier`.`s_suppkey` Note 1003 /* select#1 */ select `dbt3_s001`.`supplier`.`s_suppkey` AS `s_suppkey`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`revenue0`.`total_revenue` AS `total_revenue` from `dbt3_s001`.`supplier` join `dbt3_s001`.`revenue0` where `revenue0`.`supplier_no` = `dbt3_s001`.`supplier`.`s_suppkey` and `revenue0`.`total_revenue` = (/* select#2 */ select max(`revenue0`.`total_revenue`) from `dbt3_s001`.`revenue0`) order by `dbt3_s001`.`supplier`.`s_suppkey`
select s_suppkey, s_name, s_address, s_phone, total_revenue select s_suppkey, s_name, s_address, s_phone, total_revenue
from supplier, revenue0 from supplier, revenue0
where s_suppkey = supplier_no where s_suppkey = supplier_no
@@ -169,7 +169,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY <derived4> ALL NULL NULL NULL NULL 228 100.00 2 SUBQUERY <derived4> ALL NULL NULL NULL NULL 228 100.00
4 DERIVED lineitem range i_l_shipdate i_l_shipdate 4 NULL 229 100.00 Using where; Using temporary; Using filesort 4 DERIVED lineitem range i_l_shipdate i_l_shipdate 4 NULL 229 100.00 Using where; Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `dbt3_s001`.`supplier`.`s_suppkey` AS `s_suppkey`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`revenue0`.`total_revenue` AS `total_revenue` from `dbt3_s001`.`supplier` join `dbt3_s001`.`revenue0` where `revenue0`.`supplier_no` = `dbt3_s001`.`supplier`.`s_suppkey` and `revenue0`.`total_revenue` = (select max(`revenue0`.`total_revenue`) from `dbt3_s001`.`revenue0`) order by `dbt3_s001`.`supplier`.`s_suppkey` Note 1003 /* select#1 */ select `dbt3_s001`.`supplier`.`s_suppkey` AS `s_suppkey`,`dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address`,`dbt3_s001`.`supplier`.`s_phone` AS `s_phone`,`revenue0`.`total_revenue` AS `total_revenue` from `dbt3_s001`.`supplier` join `dbt3_s001`.`revenue0` where `revenue0`.`supplier_no` = `dbt3_s001`.`supplier`.`s_suppkey` and `revenue0`.`total_revenue` = (/* select#2 */ select max(`revenue0`.`total_revenue`) from `dbt3_s001`.`revenue0`) order by `dbt3_s001`.`supplier`.`s_suppkey`
select s_suppkey, s_name, s_address, s_phone, total_revenue select s_suppkey, s_name, s_address, s_phone, total_revenue
from supplier, revenue0 from supplier, revenue0
where s_suppkey = supplier_no where s_suppkey = supplier_no
@@ -196,7 +196,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY partsupp ref PRIMARY,i_ps_partkey i_ps_partkey 4 dbt3_s001.part.p_partkey 3 100.00 Using where; Using index 1 PRIMARY partsupp ref PRIMARY,i_ps_partkey i_ps_partkey 4 dbt3_s001.part.p_partkey 3 100.00 Using where; Using index
2 MATERIALIZED supplier ALL PRIMARY NULL NULL NULL 10 100.00 Using where 2 MATERIALIZED supplier ALL PRIMARY NULL NULL NULL 10 100.00 Using where
Warnings: Warnings:
Note 1003 select `dbt3_s001`.`part`.`p_brand` AS `p_brand`,`dbt3_s001`.`part`.`p_type` AS `p_type`,`dbt3_s001`.`part`.`p_size` AS `p_size`,count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) AS `supplier_cnt` from `dbt3_s001`.`partsupp` join `dbt3_s001`.`part` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`part`.`p_brand` <> 'Brand#11' and `dbt3_s001`.`part`.`p_type` not like 'SMALL POLISHED%' and `dbt3_s001`.`part`.`p_size` in (49,37,27,5,40,6,22,8) and !<expr_cache><`dbt3_s001`.`partsupp`.`ps_suppkey`>(<in_optimizer>(`dbt3_s001`.`partsupp`.`ps_suppkey`,`dbt3_s001`.`partsupp`.`ps_suppkey` in ( <materialize> (select `dbt3_s001`.`supplier`.`s_suppkey` from `dbt3_s001`.`supplier` where `dbt3_s001`.`supplier`.`s_comment` like '%Customer%Complaints%' ), <primary_index_lookup>(`dbt3_s001`.`partsupp`.`ps_suppkey` in <temporary table> on distinct_key where `dbt3_s001`.`partsupp`.`ps_suppkey` = `<subquery2>`.`s_suppkey`)))) group by `dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` order by count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) desc,`dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` Note 1003 /* select#1 */ select `dbt3_s001`.`part`.`p_brand` AS `p_brand`,`dbt3_s001`.`part`.`p_type` AS `p_type`,`dbt3_s001`.`part`.`p_size` AS `p_size`,count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) AS `supplier_cnt` from `dbt3_s001`.`partsupp` join `dbt3_s001`.`part` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`part`.`p_brand` <> 'Brand#11' and `dbt3_s001`.`part`.`p_type` not like 'SMALL POLISHED%' and `dbt3_s001`.`part`.`p_size` in (49,37,27,5,40,6,22,8) and !<expr_cache><`dbt3_s001`.`partsupp`.`ps_suppkey`>(<in_optimizer>(`dbt3_s001`.`partsupp`.`ps_suppkey`,`dbt3_s001`.`partsupp`.`ps_suppkey` in ( <materialize> (/* select#2 */ select `dbt3_s001`.`supplier`.`s_suppkey` from `dbt3_s001`.`supplier` where `dbt3_s001`.`supplier`.`s_comment` like '%Customer%Complaints%' ), <primary_index_lookup>(`dbt3_s001`.`partsupp`.`ps_suppkey` in <temporary table> on distinct_key where `dbt3_s001`.`partsupp`.`ps_suppkey` = `<subquery2>`.`s_suppkey`)))) group by `dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` order by count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) desc,`dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size`
select p_brand, p_type, p_size, count(distinct ps_suppkey) as supplier_cnt select p_brand, p_type, p_size, count(distinct ps_suppkey) as supplier_cnt
from partsupp, part from partsupp, part
where p_partkey = ps_partkey where p_partkey = ps_partkey
@@ -240,7 +240,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY partsupp ref PRIMARY,i_ps_partkey i_ps_partkey 4 dbt3_s001.part.p_partkey 3 100.00 Using where; Using index 1 PRIMARY partsupp ref PRIMARY,i_ps_partkey i_ps_partkey 4 dbt3_s001.part.p_partkey 3 100.00 Using where; Using index
2 MATERIALIZED supplier ALL PRIMARY NULL NULL NULL 10 100.00 Using where 2 MATERIALIZED supplier ALL PRIMARY NULL NULL NULL 10 100.00 Using where
Warnings: Warnings:
Note 1003 select `dbt3_s001`.`part`.`p_brand` AS `p_brand`,`dbt3_s001`.`part`.`p_type` AS `p_type`,`dbt3_s001`.`part`.`p_size` AS `p_size`,count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) AS `supplier_cnt` from `dbt3_s001`.`partsupp` join `dbt3_s001`.`part` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`part`.`p_brand` <> 'Brand#11' and `dbt3_s001`.`part`.`p_type` not like 'SMALL POLISHED%' and `dbt3_s001`.`part`.`p_size` in (49,37,27,5,40,6,22,8) and !<expr_cache><`dbt3_s001`.`partsupp`.`ps_suppkey`>(<in_optimizer>(`dbt3_s001`.`partsupp`.`ps_suppkey`,`dbt3_s001`.`partsupp`.`ps_suppkey` in ( <materialize> (select `dbt3_s001`.`supplier`.`s_suppkey` from `dbt3_s001`.`supplier` where `dbt3_s001`.`supplier`.`s_comment` like '%Customer%Complaints%' ), <primary_index_lookup>(`dbt3_s001`.`partsupp`.`ps_suppkey` in <temporary table> on distinct_key where `dbt3_s001`.`partsupp`.`ps_suppkey` = `<subquery2>`.`s_suppkey`)))) group by `dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` order by count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) desc,`dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` Note 1003 /* select#1 */ select `dbt3_s001`.`part`.`p_brand` AS `p_brand`,`dbt3_s001`.`part`.`p_type` AS `p_type`,`dbt3_s001`.`part`.`p_size` AS `p_size`,count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) AS `supplier_cnt` from `dbt3_s001`.`partsupp` join `dbt3_s001`.`part` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`part`.`p_brand` <> 'Brand#11' and `dbt3_s001`.`part`.`p_type` not like 'SMALL POLISHED%' and `dbt3_s001`.`part`.`p_size` in (49,37,27,5,40,6,22,8) and !<expr_cache><`dbt3_s001`.`partsupp`.`ps_suppkey`>(<in_optimizer>(`dbt3_s001`.`partsupp`.`ps_suppkey`,`dbt3_s001`.`partsupp`.`ps_suppkey` in ( <materialize> (/* select#2 */ select `dbt3_s001`.`supplier`.`s_suppkey` from `dbt3_s001`.`supplier` where `dbt3_s001`.`supplier`.`s_comment` like '%Customer%Complaints%' ), <primary_index_lookup>(`dbt3_s001`.`partsupp`.`ps_suppkey` in <temporary table> on distinct_key where `dbt3_s001`.`partsupp`.`ps_suppkey` = `<subquery2>`.`s_suppkey`)))) group by `dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` order by count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) desc,`dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size`
select p_brand, p_type, p_size, count(distinct ps_suppkey) as supplier_cnt select p_brand, p_type, p_size, count(distinct ps_suppkey) as supplier_cnt
from partsupp, part from partsupp, part
where p_partkey = ps_partkey where p_partkey = ps_partkey
@@ -284,7 +284,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY partsupp ref PRIMARY,i_ps_partkey i_ps_partkey 4 dbt3_s001.part.p_partkey 3 100.00 Using where; Using index 1 PRIMARY partsupp ref PRIMARY,i_ps_partkey i_ps_partkey 4 dbt3_s001.part.p_partkey 3 100.00 Using where; Using index
2 MATERIALIZED supplier ALL PRIMARY NULL NULL NULL 10 100.00 Using where 2 MATERIALIZED supplier ALL PRIMARY NULL NULL NULL 10 100.00 Using where
Warnings: Warnings:
Note 1003 select `dbt3_s001`.`part`.`p_brand` AS `p_brand`,`dbt3_s001`.`part`.`p_type` AS `p_type`,`dbt3_s001`.`part`.`p_size` AS `p_size`,count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) AS `supplier_cnt` from `dbt3_s001`.`partsupp` join `dbt3_s001`.`part` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`part`.`p_brand` <> 'Brand#11' and `dbt3_s001`.`part`.`p_type` not like 'SMALL POLISHED%' and `dbt3_s001`.`part`.`p_size` in (49,37,27,5,40,6,22,8) and !<expr_cache><`dbt3_s001`.`partsupp`.`ps_suppkey`>(<in_optimizer>(`dbt3_s001`.`partsupp`.`ps_suppkey`,`dbt3_s001`.`partsupp`.`ps_suppkey` in ( <materialize> (select `dbt3_s001`.`supplier`.`s_suppkey` from `dbt3_s001`.`supplier` where `dbt3_s001`.`supplier`.`s_comment` like '%Customer%Complaints%' ), <primary_index_lookup>(`dbt3_s001`.`partsupp`.`ps_suppkey` in <temporary table> on distinct_key where `dbt3_s001`.`partsupp`.`ps_suppkey` = `<subquery2>`.`s_suppkey`)))) group by `dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` order by count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) desc,`dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` Note 1003 /* select#1 */ select `dbt3_s001`.`part`.`p_brand` AS `p_brand`,`dbt3_s001`.`part`.`p_type` AS `p_type`,`dbt3_s001`.`part`.`p_size` AS `p_size`,count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) AS `supplier_cnt` from `dbt3_s001`.`partsupp` join `dbt3_s001`.`part` where `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`part`.`p_brand` <> 'Brand#11' and `dbt3_s001`.`part`.`p_type` not like 'SMALL POLISHED%' and `dbt3_s001`.`part`.`p_size` in (49,37,27,5,40,6,22,8) and !<expr_cache><`dbt3_s001`.`partsupp`.`ps_suppkey`>(<in_optimizer>(`dbt3_s001`.`partsupp`.`ps_suppkey`,`dbt3_s001`.`partsupp`.`ps_suppkey` in ( <materialize> (/* select#2 */ select `dbt3_s001`.`supplier`.`s_suppkey` from `dbt3_s001`.`supplier` where `dbt3_s001`.`supplier`.`s_comment` like '%Customer%Complaints%' ), <primary_index_lookup>(`dbt3_s001`.`partsupp`.`ps_suppkey` in <temporary table> on distinct_key where `dbt3_s001`.`partsupp`.`ps_suppkey` = `<subquery2>`.`s_suppkey`)))) group by `dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size` order by count(distinct `dbt3_s001`.`partsupp`.`ps_suppkey`) desc,`dbt3_s001`.`part`.`p_brand`,`dbt3_s001`.`part`.`p_type`,`dbt3_s001`.`part`.`p_size`
select p_brand, p_type, p_size, count(distinct ps_suppkey) as supplier_cnt select p_brand, p_type, p_size, count(distinct ps_suppkey) as supplier_cnt
from partsupp, part from partsupp, part
where p_partkey = ps_partkey where p_partkey = ps_partkey
@@ -331,7 +331,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY lineitem ref PRIMARY,i_l_orderkey,i_l_orderkey_quantity i_l_orderkey_quantity 4 dbt3_s001.orders.o_orderkey 4 100.00 Using index 1 PRIMARY lineitem ref PRIMARY,i_l_orderkey,i_l_orderkey_quantity i_l_orderkey_quantity 4 dbt3_s001.orders.o_orderkey 4 100.00 Using index
2 MATERIALIZED lineitem index NULL PRIMARY 8 NULL 6005 100.00 2 MATERIALIZED lineitem index NULL PRIMARY 8 NULL 6005 100.00
Warnings: Warnings:
Note 1003 select `dbt3_s001`.`customer`.`c_name` AS `c_name`,`dbt3_s001`.`customer`.`c_custkey` AS `c_custkey`,`dbt3_s001`.`orders`.`o_orderkey` AS `o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE` AS `o_orderdate`,`dbt3_s001`.`orders`.`o_totalprice` AS `o_totalprice`,sum(`dbt3_s001`.`lineitem`.`l_quantity`) AS `sum(l_quantity)` from <materialize> (select `dbt3_s001`.`lineitem`.`l_orderkey` from `dbt3_s001`.`lineitem` group by `dbt3_s001`.`lineitem`.`l_orderkey` having sum(`dbt3_s001`.`lineitem`.`l_quantity`) > 250) join `dbt3_s001`.`customer` join `dbt3_s001`.`orders` join `dbt3_s001`.`lineitem` where `dbt3_s001`.`customer`.`c_custkey` = `dbt3_s001`.`orders`.`o_custkey` and `<subquery2>`.`l_orderkey` = `dbt3_s001`.`orders`.`o_orderkey` and `dbt3_s001`.`lineitem`.`l_orderkey` = `dbt3_s001`.`orders`.`o_orderkey` group by `dbt3_s001`.`customer`.`c_name`,`dbt3_s001`.`customer`.`c_custkey`,`dbt3_s001`.`orders`.`o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE`,`dbt3_s001`.`orders`.`o_totalprice` order by `dbt3_s001`.`orders`.`o_totalprice` desc,`dbt3_s001`.`orders`.`o_orderDATE` Note 1003 /* select#1 */ select `dbt3_s001`.`customer`.`c_name` AS `c_name`,`dbt3_s001`.`customer`.`c_custkey` AS `c_custkey`,`dbt3_s001`.`orders`.`o_orderkey` AS `o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE` AS `o_orderdate`,`dbt3_s001`.`orders`.`o_totalprice` AS `o_totalprice`,sum(`dbt3_s001`.`lineitem`.`l_quantity`) AS `sum(l_quantity)` from <materialize> (/* select#2 */ select `dbt3_s001`.`lineitem`.`l_orderkey` from `dbt3_s001`.`lineitem` group by `dbt3_s001`.`lineitem`.`l_orderkey` having sum(`dbt3_s001`.`lineitem`.`l_quantity`) > 250) join `dbt3_s001`.`customer` join `dbt3_s001`.`orders` join `dbt3_s001`.`lineitem` where `dbt3_s001`.`customer`.`c_custkey` = `dbt3_s001`.`orders`.`o_custkey` and `<subquery2>`.`l_orderkey` = `dbt3_s001`.`orders`.`o_orderkey` and `dbt3_s001`.`lineitem`.`l_orderkey` = `dbt3_s001`.`orders`.`o_orderkey` group by `dbt3_s001`.`customer`.`c_name`,`dbt3_s001`.`customer`.`c_custkey`,`dbt3_s001`.`orders`.`o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE`,`dbt3_s001`.`orders`.`o_totalprice` order by `dbt3_s001`.`orders`.`o_totalprice` desc,`dbt3_s001`.`orders`.`o_orderDATE`
select select
c_name, c_custkey, o_orderkey, o_orderdate, o_totalprice, sum(l_quantity) c_name, c_custkey, o_orderkey, o_orderdate, o_totalprice, sum(l_quantity)
from customer, orders, lineitem from customer, orders, lineitem
@@ -365,7 +365,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY lineitem ref PRIMARY,i_l_orderkey,i_l_orderkey_quantity PRIMARY 4 <subquery2>.l_orderkey 4 100.00 1 PRIMARY lineitem ref PRIMARY,i_l_orderkey,i_l_orderkey_quantity PRIMARY 4 <subquery2>.l_orderkey 4 100.00
2 MATERIALIZED lineitem index NULL PRIMARY 8 NULL 6005 100.00 2 MATERIALIZED lineitem index NULL PRIMARY 8 NULL 6005 100.00
Warnings: Warnings:
Note 1003 select `dbt3_s001`.`customer`.`c_name` AS `c_name`,`dbt3_s001`.`customer`.`c_custkey` AS `c_custkey`,`dbt3_s001`.`orders`.`o_orderkey` AS `o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE` AS `o_orderdate`,`dbt3_s001`.`orders`.`o_totalprice` AS `o_totalprice`,sum(`dbt3_s001`.`lineitem`.`l_quantity`) AS `sum(l_quantity)` from <materialize> (select `dbt3_s001`.`lineitem`.`l_orderkey` from `dbt3_s001`.`lineitem` group by `dbt3_s001`.`lineitem`.`l_orderkey` having sum(`dbt3_s001`.`lineitem`.`l_quantity`) > 250) join `dbt3_s001`.`customer` join `dbt3_s001`.`orders` join `dbt3_s001`.`lineitem` where `dbt3_s001`.`customer`.`c_custkey` = `dbt3_s001`.`orders`.`o_custkey` and `dbt3_s001`.`orders`.`o_orderkey` = `<subquery2>`.`l_orderkey` and `dbt3_s001`.`lineitem`.`l_orderkey` = `<subquery2>`.`l_orderkey` group by `dbt3_s001`.`customer`.`c_name`,`dbt3_s001`.`customer`.`c_custkey`,`dbt3_s001`.`orders`.`o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE`,`dbt3_s001`.`orders`.`o_totalprice` order by `dbt3_s001`.`orders`.`o_totalprice` desc,`dbt3_s001`.`orders`.`o_orderDATE` Note 1003 /* select#1 */ select `dbt3_s001`.`customer`.`c_name` AS `c_name`,`dbt3_s001`.`customer`.`c_custkey` AS `c_custkey`,`dbt3_s001`.`orders`.`o_orderkey` AS `o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE` AS `o_orderdate`,`dbt3_s001`.`orders`.`o_totalprice` AS `o_totalprice`,sum(`dbt3_s001`.`lineitem`.`l_quantity`) AS `sum(l_quantity)` from <materialize> (/* select#2 */ select `dbt3_s001`.`lineitem`.`l_orderkey` from `dbt3_s001`.`lineitem` group by `dbt3_s001`.`lineitem`.`l_orderkey` having sum(`dbt3_s001`.`lineitem`.`l_quantity`) > 250) join `dbt3_s001`.`customer` join `dbt3_s001`.`orders` join `dbt3_s001`.`lineitem` where `dbt3_s001`.`customer`.`c_custkey` = `dbt3_s001`.`orders`.`o_custkey` and `dbt3_s001`.`orders`.`o_orderkey` = `<subquery2>`.`l_orderkey` and `dbt3_s001`.`lineitem`.`l_orderkey` = `<subquery2>`.`l_orderkey` group by `dbt3_s001`.`customer`.`c_name`,`dbt3_s001`.`customer`.`c_custkey`,`dbt3_s001`.`orders`.`o_orderkey`,`dbt3_s001`.`orders`.`o_orderDATE`,`dbt3_s001`.`orders`.`o_totalprice` order by `dbt3_s001`.`orders`.`o_totalprice` desc,`dbt3_s001`.`orders`.`o_orderDATE`
select select
c_name, c_custkey, o_orderkey, o_orderdate, o_totalprice, sum(l_quantity) c_name, c_custkey, o_orderkey, o_orderdate, o_totalprice, sum(l_quantity)
from customer, orders, lineitem from customer, orders, lineitem
@@ -403,7 +403,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 SUBQUERY customer ALL NULL NULL NULL NULL 150 100.00 Using where 3 SUBQUERY customer ALL NULL NULL NULL NULL 150 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,exists(select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) Note 1003 /* select#1 */ select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (/* select#3 */ select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,exists(/* select#4 */ select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal
from ( from (
select substr(c_phone, 1, 2) as cntrycode, c_acctbal select substr(c_phone, 1, 2) as cntrycode, c_acctbal
@@ -444,7 +444,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 SUBQUERY customer ALL NULL NULL NULL NULL 150 91.00 Using where 3 SUBQUERY customer ALL NULL NULL NULL NULL 150 91.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,exists(select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) Note 1003 /* select#1 */ select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25') and `dbt3_s001`.`customer`.`c_acctbal` > (/* select#3 */ select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where `dbt3_s001`.`customer`.`c_acctbal` > 0.00 and substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and !<in_optimizer>(1,exists(/* select#4 */ select 1 from `dbt3_s001`.`orders` where `dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal
from ( from (
select substr(c_phone, 1, 2) as cntrycode, c_acctbal select substr(c_phone, 1, 2) as cntrycode, c_acctbal
@@ -494,7 +494,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10 Note 1003 /* select#1 */ select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`nation`.`n_nationkey` = `dbt3_s001`.`supplier`.`s_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((/* select#4 */ select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10
select sql_calc_found_rows select sql_calc_found_rows
s_name, s_address s_name, s_address
from supplier, nation from supplier, nation
@@ -548,7 +548,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10 Note 1003 /* select#1 */ select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((/* select#4 */ select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10
select sql_calc_found_rows select sql_calc_found_rows
s_name, s_address s_name, s_address
from supplier, nation from supplier, nation
@@ -604,7 +604,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10 Note 1003 /* select#1 */ select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((/* select#4 */ select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10
select sql_calc_found_rows select sql_calc_found_rows
s_name, s_address s_name, s_address
from supplier, nation from supplier, nation
@@ -660,7 +660,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10 Note 1003 /* select#1 */ select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((/* select#4 */ select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10
select sql_calc_found_rows select sql_calc_found_rows
s_name, s_address s_name, s_address
from supplier, nation from supplier, nation
@@ -716,7 +716,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_partkey' of SELECT #4 was resolved in SELECT #2
Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2 Note 1276 Field or reference 'dbt3_s001.partsupp.ps_suppkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10 Note 1003 /* select#1 */ select sql_calc_found_rows `dbt3_s001`.`supplier`.`s_name` AS `s_name`,`dbt3_s001`.`supplier`.`s_address` AS `s_address` from `dbt3_s001`.`supplier` semi join (`dbt3_s001`.`part` join `dbt3_s001`.`partsupp`) join `dbt3_s001`.`nation` where `dbt3_s001`.`supplier`.`s_nationkey` = `dbt3_s001`.`nation`.`n_nationkey` and `dbt3_s001`.`nation`.`n_name` = 'UNITED STATES' and `dbt3_s001`.`partsupp`.`ps_partkey` = `dbt3_s001`.`part`.`p_partkey` and `dbt3_s001`.`partsupp`.`ps_availqty` > <expr_cache><`dbt3_s001`.`partsupp`.`ps_partkey`,`dbt3_s001`.`partsupp`.`ps_suppkey`>((/* select#4 */ select 0.5 * sum(`dbt3_s001`.`lineitem`.`l_quantity`) from `dbt3_s001`.`lineitem` where `dbt3_s001`.`lineitem`.`l_partkey` = `dbt3_s001`.`partsupp`.`ps_partkey` and `dbt3_s001`.`lineitem`.`l_suppkey` = `dbt3_s001`.`partsupp`.`ps_suppkey` and `dbt3_s001`.`lineitem`.`l_shipDATE` >= <cache>(cast('1993-01-01' as date)) and `dbt3_s001`.`lineitem`.`l_shipDATE` < <cache>(cast('1993-01-01' as date) + interval '1' year))) and `dbt3_s001`.`part`.`p_name` like 'g%' order by `dbt3_s001`.`supplier`.`s_name` limit 10
select sql_calc_found_rows select sql_calc_found_rows
s_name, s_address s_name, s_address
from supplier, nation from supplier, nation
@@ -995,7 +995,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY t2 ALL NULL NULL NULL NULL 7 100.00 2 SUBQUERY t2 ALL NULL NULL NULL NULL 7 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 14 100.00 Using join buffer (flat, BNL join) 2 SUBQUERY t1 ALL NULL NULL NULL NULL 14 100.00 Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` join `test`.`t2` where <cache>(<in_optimizer>(1,exists(select 1 from `test`.`t1` join `test`.`t2`))) and `test`.`t1`.`a` <> `test`.`t2`.`b` or `test`.`t1`.`a` <= 4 Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` join `test`.`t2` where <cache>(<in_optimizer>(1,exists(/* select#2 */ select 1 from `test`.`t1` join `test`.`t2`))) and `test`.`t1`.`a` <> `test`.`t2`.`b` or `test`.`t1`.`a` <= 4
set optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity; set optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity;
DROP TABLE t1,t2; DROP TABLE t1,t2;
set use_stat_tables=@save_use_stat_tables; set use_stat_tables=@save_use_stat_tables;

11
mysql-test/r/status.result
View File

@@ -188,6 +188,7 @@ Variable_name Value
Created_tmp_disk_tables 0 Created_tmp_disk_tables 0
Created_tmp_files 0 Created_tmp_files 0
Created_tmp_tables 0 Created_tmp_tables 0
Handler_tmp_delete 0
Handler_tmp_update 0 Handler_tmp_update 0
Handler_tmp_write 0 Handler_tmp_write 0
Rows_tmp_read 5 Rows_tmp_read 5
@@ -200,14 +201,15 @@ Variable_name Value
Created_tmp_disk_tables 0 Created_tmp_disk_tables 0
Created_tmp_files 0 Created_tmp_files 0
Created_tmp_tables 0 Created_tmp_tables 0
Handler_tmp_delete 0
Handler_tmp_update 0 Handler_tmp_update 0
Handler_tmp_write 0 Handler_tmp_write 0
Rows_tmp_read 13 Rows_tmp_read 14
show status like 'com_show_status'; show status like 'com_show_status';
Variable_name Value Variable_name Value
Com_show_status 8 Com_show_status 8
rnd_diff tmp_table_diff rnd_diff tmp_table_diff
28 8 30 8
disconnect con1; disconnect con1;
connection default; connection default;
flush status; flush status;
@@ -333,6 +335,7 @@ Handler_read_rnd_next 23
Handler_rollback 0 Handler_rollback 0
Handler_savepoint 0 Handler_savepoint 0
Handler_savepoint_rollback 0 Handler_savepoint_rollback 0
Handler_tmp_delete 0
Handler_tmp_update 2 Handler_tmp_update 2
Handler_tmp_write 7 Handler_tmp_write 7
Handler_update 0 Handler_update 0
@@ -342,9 +345,10 @@ Variable_name Value
Created_tmp_disk_tables 1 Created_tmp_disk_tables 1
Created_tmp_files 0 Created_tmp_files 0
Created_tmp_tables 2 Created_tmp_tables 2
Handler_tmp_delete 0
Handler_tmp_update 2 Handler_tmp_update 2
Handler_tmp_write 7 Handler_tmp_write 7
Rows_tmp_read 43 Rows_tmp_read 44
drop table t1; drop table t1;
CREATE TABLE t1 (i int(11) DEFAULT NULL, KEY i (i) ) ENGINE=MyISAM; CREATE TABLE t1 (i int(11) DEFAULT NULL, KEY i (i) ) ENGINE=MyISAM;
insert into t1 values (1),(2),(3),(4),(5); insert into t1 values (1),(2),(3),(4),(5);
@@ -376,6 +380,7 @@ Handler_read_rnd_next 2
Handler_rollback 0 Handler_rollback 0
Handler_savepoint 0 Handler_savepoint 0
Handler_savepoint_rollback 0 Handler_savepoint_rollback 0
Handler_tmp_delete 0
Handler_tmp_update 0 Handler_tmp_update 0
Handler_tmp_write 2 Handler_tmp_write 2
Handler_update 0 Handler_update 0

90
mysql-test/r/subselect.result
View File

@@ -27,7 +27,7 @@ NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1249 Select 2 was reduced during optimization Note 1249 Select 2 was reduced during optimization
Note 1249 Select 4 was reduced during optimization Note 1249 Select 4 was reduced during optimization
Note 1003 select 1 AS `(SELECT 1)` union select 2 AS `(SELECT 2)` Note 1003 /* select#1 */ select 1 AS `(SELECT 1)` union /* select#3 */ select 2 AS `(SELECT 2)`
SELECT (SELECT (SELECT 0 UNION SELECT 0)); SELECT (SELECT (SELECT 0 UNION SELECT 0));
(SELECT (SELECT 0 UNION SELECT 0)) (SELECT (SELECT 0 UNION SELECT 0))
0 0
@@ -39,7 +39,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1249 Select 2 was reduced during optimization Note 1249 Select 2 was reduced during optimization
Note 1003 select (select 0 union select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))` Note 1003 /* select#1 */ select (/* select#3 */ select 0 union /* select#4 */ select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))`
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a; SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
ERROR 42S22: Reference 'a' not supported (forward reference in item list) ERROR 42S22: Reference 'a' not supported (forward reference in item list)
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b; SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b;
@@ -57,7 +57,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select 1 AS `1` from dual having (select 1) = 1 Note 1003 /* select#1 */ select 1 AS `1` from dual having (/* select#3 */ select 1) = 1
SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1; SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
1 1
1 1
@@ -198,7 +198,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
4 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 4 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00
NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`b` = (select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1)) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where `test`.`t4`.`b` = (select max(`test`.`t2`.`a`) * 4 from `test`.`t2`)) Note 1003 (/* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`b` = (/* select#2 */ select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1)) union (/* select#3 */ select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where `test`.`t4`.`b` = (/* select#4 */ select max(`test`.`t2`.`a`) * 4 from `test`.`t2`))
select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2; select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
(select a from t3 where a<t2.a*4 order by 1 desc limit 1) a (select a from t3 where a<t2.a*4 order by 1 desc limit 1) a
3 1 3 1
@@ -216,7 +216,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where 3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort 2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort
Warnings: Warnings:
Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where `test`.`t3`.`a` < 8 order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`a` > 1) `tt` Note 1003 /* select#1 */ select (/* select#2 */ select `test`.`t3`.`a` from `test`.`t3` where `test`.`t3`.`a` < 8 order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (/* select#3 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`a` > 1) `tt`
set optimizer_switch=@tmp_optimizer_switch; set optimizer_switch=@tmp_optimizer_switch;
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1); select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
a a
@@ -238,7 +238,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t4`.`b` AS `b`,<expr_cache><`test`.`t4`.`a`>((select avg(`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where `test`.`t3`.`a` >= `test`.`t4`.`a`)) from `test`.`t2`)) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4` Note 1003 /* select#1 */ select `test`.`t4`.`b` AS `b`,<expr_cache><`test`.`t4`.`a`>((/* select#2 */ select avg(`test`.`t2`.`a` + (/* select#3 */ select min(`test`.`t3`.`a`) from `test`.`t3` where `test`.`t3`.`a` >= `test`.`t4`.`a`)) from `test`.`t2`)) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
select * from t3 where exists (select * from t2 where t2.b=t3.a); select * from t3 where exists (select * from t2 where t2.b=t3.a);
a a
7 7
@@ -284,7 +284,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2); select * from t3 where a >= all (select b from t2);
a a
7 7
@@ -328,7 +328,7 @@ NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select <expr_cache><`test`.`t2`.`a`>((select 2 from dual where 2 = `test`.`t2`.`a` union select `test`.`t5`.`a` from `test`.`t5` where `test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2` Note 1003 /* select#1 */ select <expr_cache><`test`.`t2`.`a`>((/* select#2 */ select 2 from dual where 2 = `test`.`t2`.`a` union /* select#3 */ select `test`.`t5`.`a` from `test`.`t5` where `test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2; select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
ERROR 21000: Subquery returns more than 1 row ERROR 21000: Subquery returns more than 1 row
create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq)); create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
@@ -381,7 +381,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00
3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index 3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
Warnings: Warnings:
Note 1003 select 'joce' AS `pseudo`,(select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1 Note 1003 /* select#1 */ select 'joce' AS `pseudo`,(/* select#2 */ select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce'); t8 WHERE pseudo='joce');
ERROR 21000: Operand should contain 1 column(s) ERROR 21000: Operand should contain 1 column(s)
@@ -413,7 +413,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY t1 index NULL PRIMARY 43 NULL 2 100.00 Using where; Using index 2 SUBQUERY t1 index NULL PRIMARY 43 NULL 2 100.00 Using where; Using index
Warnings: Warnings:
Note 1003 select (select distinct `test`.`t1`.`date` from `test`.`t1` where `test`.`t1`.`date` = DATE'2002-08-03') AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')` Note 1003 /* select#1 */ select (/* select#2 */ select distinct `test`.`t1`.`date` from `test`.`t1` where `test`.`t1`.`date` = DATE'2002-08-03') AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
SELECT DISTINCT date FROM t1 WHERE date='2002-08-03'; SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
date date
2002-08-03 2002-08-03
@@ -434,7 +434,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used 3 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 1
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment, `numeropost` mediumint(8) unsigned NOT NULL auto_increment,
@@ -566,7 +566,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index 1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings: Warnings:
Note 1003 select 3 AS `numreponse` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 3 AS `numreponse` from `test`.`t1` where 1
drop table t1; drop table t1;
CREATE TABLE t1 (a int(1)); CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1); INSERT INTO t1 VALUES (1);
@@ -763,7 +763,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used 3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select `test`.`t2`.`id` AS `id` from `test`.`t2` where <expr_cache><`test`.`t2`.`id`>(<in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(1) union select 3 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(3)))) Note 1003 /* select#1 */ select `test`.`t2`.`id` AS `id` from `test`.`t2` where <expr_cache><`test`.`t2`.`id`>(<in_optimizer>(`test`.`t2`.`id`,<exists>(/* select#2 */ select 1 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(1) union /* select#3 */ select 3 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))))
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3); SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
id id
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2); SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
@@ -911,7 +911,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index 1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
2 SUBQUERY t2 index_subquery a a 5 func 2 100.00 Using index 2 SUBQUERY t2 index_subquery a a 5 func 2 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t2 on a checking NULL having `test`.`t2`.`a` is null)))) AS `t1.a in (select t2.a from t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t2 on a checking NULL having `test`.`t2`.`a` is null)))) AS `t1.a in (select t2.a from t2)` from `test`.`t1`
CREATE TABLE t3 (a int(11) default '0'); CREATE TABLE t3 (a int(11) default '0');
INSERT INTO t3 VALUES (1),(2),(3); INSERT INTO t3 VALUES (1),(2),(3);
SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1; SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
@@ -926,7 +926,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) 2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where `test`.`t3`.`a` = `test`.`t2`.`a` and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a` or `test`.`t2`.`a` is null) having `test`.`t2`.`a` is null))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where `test`.`t3`.`a` = `test`.`t2`.`a` and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a` or `test`.`t2`.`a` is null) having `test`.`t2`.`a` is null))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
drop table t1,t2,t3; drop table t1,t2,t3;
# check correct NULL Processing for normal IN/ALL/ANY # check correct NULL Processing for normal IN/ALL/ANY
# and 2 ways of max/min optimization # and 2 ways of max/min optimization
@@ -1165,19 +1165,19 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1`
EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1; EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1`
EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1; EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1`
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`mot` varchar(30) character set latin1 NOT NULL default '', `mot` varchar(30) character set latin1 NOT NULL default '',
@@ -1272,7 +1272,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 2 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00
3 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 3 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,(select (select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1) from t1 limit 1)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,(/* select#2 */ select (/* select#3 */ select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1) from t1 limit 1)` from `test`.`t1`
drop table t1; drop table t1;
select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent); select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent);
ERROR 42S02: Table 'test.t1' doesn't exist ERROR 42S02: Table 'test.t1' doesn't exist
@@ -1326,7 +1326,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings: Warnings:
Note 1003 select <in_optimizer>(0,<exists>(select 1 from dual where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)` Note 1003 /* select#1 */ select <in_optimizer>(0,<exists>(/* select#2 */ select 1 from dual where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)`
INSERT INTO t1 (pseudo) VALUES ('test1'); INSERT INTO t1 (pseudo) VALUES ('test1');
SELECT 0 IN (SELECT 1 FROM t1 a); SELECT 0 IN (SELECT 1 FROM t1 a);
0 IN (SELECT 1 FROM t1 a) 0 IN (SELECT 1 FROM t1 a)
@@ -1336,7 +1336,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings: Warnings:
Note 1003 select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)` Note 1003 /* select#1 */ select <in_optimizer>(0,<exists>(/* select#2 */ select 1 from `test`.`t1` `a` where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)`
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`i` int(11) NOT NULL default '0', `i` int(11) NOT NULL default '0',
@@ -1381,7 +1381,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using where 1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using where
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings: Warnings:
Note 1003 select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) from `test`.`t1`) Note 1003 /* select#1 */ select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`salary` = (/* select#2 */ select max(`test`.`t1`.`salary`) from `test`.`t1`)
drop table t1; drop table t1;
CREATE TABLE t1 ( CREATE TABLE t1 (
ID int(10) unsigned NOT NULL auto_increment, ID int(10) unsigned NOT NULL auto_increment,
@@ -1614,25 +1614,25 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1; explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1; explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1; explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Using where; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Using where; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where `test`.`t2`.`s1` < 'a2' having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where `test`.`t2`.`s1` < 'a2' having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1`
drop table t1,t2; drop table t1,t2;
create table t2 (a int, b int not null); create table t2 (a int, b int not null);
create table t3 (a int); create table t3 (a int);
@@ -1647,7 +1647,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2); select * from t3 where a >= some (select b from t2);
a a
explain extended select * from t3 where a >= some (select b from t2); explain extended select * from t3 where a >= some (select b from t2);
@@ -1655,7 +1655,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2 group by 1); select * from t3 where a >= all (select b from t2 group by 1);
a a
6 6
@@ -1666,7 +1666,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2 group by 1); select * from t3 where a >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where a >= some (select b from t2 group by 1); explain extended select * from t3 where a >= some (select b from t2 group by 1);
@@ -1674,7 +1674,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where NULL >= any (select b from t2); select * from t3 where NULL >= any (select b from t2);
a a
explain extended select * from t3 where NULL >= any (select b from t2); explain extended select * from t3 where NULL >= any (select b from t2);
@@ -1682,7 +1682,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= any (select b from t2 group by 1); select * from t3 where NULL >= any (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1); explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
@@ -1690,7 +1690,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= some (select b from t2); select * from t3 where NULL >= some (select b from t2);
a a
explain extended select * from t3 where NULL >= some (select b from t2); explain extended select * from t3 where NULL >= some (select b from t2);
@@ -1698,7 +1698,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= some (select b from t2 group by 1); select * from t3 where NULL >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1); explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
@@ -1706,7 +1706,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
insert into t2 values (2,2), (2,1), (3,3), (3,1); insert into t2 values (2,2), (2,1), (3,3), (3,1);
select * from t3 where a > all (select max(b) from t2 group by a); select * from t3 where a > all (select max(b) from t2 group by a);
a a
@@ -1717,7 +1717,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary 2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,<max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,<max>(/* select#2 */ select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`)))
drop table t2, t3; drop table t2, t3;
CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ; CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now()); INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
@@ -1768,7 +1768,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION t1 system NULL NULL NULL NULL 1 100.00 3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select 'e' AS `s1` from dual where 1 Note 1003 /* select#1 */ select 'e' AS `s1` from dual where 1
drop table t1; drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1; CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874'); INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
@@ -1887,14 +1887,14 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 12 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 12 100.00 Using where
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index; Using where 2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index; Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where !<expr_cache><`test`.`t1`.`id`>(<in_optimizer>(`test`.`t1`.`id`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`id`) in t1 on PRIMARY where `test`.`t1`.`id` < 8 and <cache>(`test`.`t1`.`id`) = `test`.`t1`.`id`)))) Note 1003 /* select#1 */ select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where !<expr_cache><`test`.`t1`.`id`>(<in_optimizer>(`test`.`t1`.`id`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`id`) in t1 on PRIMARY where `test`.`t1`.`id` < 8 and <cache>(`test`.`t1`.`id`) = `test`.`t1`.`id`))))
explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null); explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null);
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY tt ALL NULL NULL NULL NULL 12 100.00 Using where 1 PRIMARY tt ALL NULL NULL NULL NULL 12 100.00 Using where
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where !<in_optimizer>(1,<expr_cache><`test`.`tt`.`id`>(exists(select `test`.`t1`.`id` from `test`.`t1` where `test`.`t1`.`id` < 8 and `test`.`t1`.`id` = `test`.`tt`.`id` having `test`.`t1`.`id` is not null))) Note 1003 /* select#1 */ select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where !<in_optimizer>(1,<expr_cache><`test`.`tt`.`id`>(exists(/* select#2 */ select `test`.`t1`.`id` from `test`.`t1` where `test`.`t1`.`id` < 8 and `test`.`t1`.`id` = `test`.`tt`.`id` having `test`.`t1`.`id` is not null)))
insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001'); insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
create table t2 (id int not null, text varchar(20) not null default '', primary key (id)); create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10'); insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
@@ -2978,7 +2978,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null)))) AS `test` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(/* select#2 */ select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null)))) AS `test` from `test`.`t1`
explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N'); explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
@@ -2991,7 +2991,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null)))) AS `test` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(/* select#2 */ select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null)))) AS `test` from `test`.`t1`
DROP TABLE t1,t2; DROP TABLE t1,t2;
set optimizer_switch=@tmp11867_optimizer_switch; set optimizer_switch=@tmp11867_optimizer_switch;
CREATE TABLE t1 (a char(5), b char(5)); CREATE TABLE t1 (a char(5), b char(5));
@@ -4248,7 +4248,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `res`.`count(*)` AS `count(*)` from (select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`a`) `res` Note 1003 /* select#1 */ select `res`.`count(*)` AS `count(*)` from (/* select#2 */ select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`a`) `res`
DROP TABLE t1; DROP TABLE t1;
CREATE TABLE t1 ( CREATE TABLE t1 (
a varchar(255) default NULL, a varchar(255) default NULL,
@@ -4457,7 +4457,7 @@ NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists((select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) union (select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`))) Note 1003 /* select#1 */ select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists((/* select#2 */ select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) union (/* select#3 */ select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`)))
DROP TABLE t1,t2; DROP TABLE t1,t2;
create table t0(a int); create table t0(a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
@@ -4538,14 +4538,14 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary 2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary
Warnings: Warnings:
Note 1003 select 1 AS `1` from <materialize> (select min(`test`.`t1`.`a`) from `test`.`t1` group by `test`.`t1`.`a`) join `test`.`t1` where `<subquery2>`.`min(a)` = 1 Note 1003 /* select#1 */ select 1 AS `1` from <materialize> (/* select#2 */ select min(`test`.`t1`.`a`) from `test`.`t1` group by `test`.`t1`.`a`) join `test`.`t1` where `<subquery2>`.`min(a)` = 1
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 WHERE a > 3 GROUP BY a); EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 WHERE a > 3 GROUP BY a);
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> const distinct_key distinct_key 4 const 1 100.00 1 PRIMARY <subquery2> const distinct_key distinct_key 4 const 1 100.00
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary 2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary
Warnings: Warnings:
Note 1003 select 1 AS `1` from <materialize> (select min(`test`.`t1`.`a`) from `test`.`t1` where `test`.`t1`.`a` > 3 group by `test`.`t1`.`a`) join `test`.`t1` where `<subquery2>`.`min(a)` = 1 Note 1003 /* select#1 */ select 1 AS `1` from <materialize> (/* select#2 */ select min(`test`.`t1`.`a`) from `test`.`t1` where `test`.`t1`.`a` > 3 group by `test`.`t1`.`a`) join `test`.`t1` where `<subquery2>`.`min(a)` = 1
SET join_cache_level=@save_join_cache_level; SET join_cache_level=@save_join_cache_level;
DROP TABLE t1; DROP TABLE t1;
# #
@@ -4636,7 +4636,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1); SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
1 1
1 1

4
mysql-test/r/subselect2.result
View File

@@ -262,7 +262,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2c ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (incremental, BNL join) 2 DEPENDENT SUBQUERY t2c ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (incremental, BNL join)
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`c1` AS `c1` from `test`.`t1` where !<expr_cache><`test`.`t1`.`c1`,`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`c1`,<exists>(select `test`.`t2a`.`c2` from `test`.`t2` `t2a` join `test`.`t2` `t2b` join `test`.`t2` `t2c` where (`test`.`t2b`.`m` <> `test`.`t1`.`a` or `test`.`t2b`.`m` = `test`.`t2a`.`m`) and trigcond(<cache>(`test`.`t1`.`c1`) = `test`.`t2a`.`c2` or `test`.`t2a`.`c2` is null) and `test`.`t2c`.`c2` = `test`.`t2b`.`c2` and `test`.`t2b`.`n` = `test`.`t2a`.`m` having trigcond(`test`.`t2a`.`c2` is null)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`c1` AS `c1` from `test`.`t1` where !<expr_cache><`test`.`t1`.`c1`,`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`c1`,<exists>(/* select#2 */ select `test`.`t2a`.`c2` from `test`.`t2` `t2a` join `test`.`t2` `t2b` join `test`.`t2` `t2c` where (`test`.`t2b`.`m` <> `test`.`t1`.`a` or `test`.`t2b`.`m` = `test`.`t2a`.`m`) and trigcond(<cache>(`test`.`t1`.`c1`) = `test`.`t2a`.`c2` or `test`.`t2a`.`c2` is null) and `test`.`t2c`.`c2` = `test`.`t2b`.`c2` and `test`.`t2b`.`n` = `test`.`t2a`.`m` having trigcond(`test`.`t2a`.`c2` is null))))
DROP TABLE t1,t2; DROP TABLE t1,t2;
# #
# MDEV-614, also MDEV-536, also LP:1050806: # MDEV-614, also MDEV-536, also LP:1050806:
@@ -342,7 +342,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ref idx idx 6 func 2 100.00 Using where; Using index 1 PRIMARY t3 ref idx idx 6 func 2 100.00 Using where; Using index
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `a`,`test`.`t3`.`a` AS `a` from `test`.`t1` join `test`.`t2` left join `test`.`t3` on(`test`.`t3`.`a` = `test`.`t1`.`a`) where `test`.`t1`.`a` = (select min(`test`.`t1`.`a`) from `test`.`t1`) and `test`.`t2`.`a` = (select min(`test`.`t1`.`a`) from `test`.`t1`) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `a`,`test`.`t3`.`a` AS `a` from `test`.`t1` join `test`.`t2` left join `test`.`t3` on(`test`.`t3`.`a` = `test`.`t1`.`a`) where `test`.`t1`.`a` = (/* select#2 */ select min(`test`.`t1`.`a`) from `test`.`t1`) and `test`.`t2`.`a` = (/* select#2 */ select min(`test`.`t1`.`a`) from `test`.`t1`)
select * from t1, t2 left join t3 on ( t2.a = t3.a ) select * from t1, t2 left join t3 on ( t2.a = t3.a )
where t1.a = t2.a and ( t1.a = ( select min(a) from t1 ) or 0 ); where t1.a = t2.a and ( t1.a = ( select min(a) from t1 ) or 0 );
a a a a a a

28
mysql-test/r/subselect3.result
View File

@@ -33,7 +33,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary 2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where `test`.`t1`.`oref` = `test`.`t2`.`oref` group by `test`.`t1`.`grp` having trigcond(<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `Z` from `test`.`t2` Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(/* select#2 */ select max(`test`.`t1`.`ie`) from `test`.`t1` where `test`.`t1`.`oref` = `test`.`t2`.`oref` group by `test`.`t1`.`grp` having trigcond(<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `Z` from `test`.`t2`
explain extended explain extended
select a, oref from t2 select a, oref from t2
where a in (select max(ie) from t1 where oref=t2.oref group by grp); where a in (select max(ie) from t1 where oref=t2.oref group by grp);
@@ -42,7 +42,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary 2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where `test`.`t1`.`oref` = `test`.`t2`.`oref` group by `test`.`t1`.`grp` having <cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`))))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(/* select#2 */ select max(`test`.`t1`.`ie`) from `test`.`t1` where `test`.`t1`.`oref` = `test`.`t2`.`oref` group by `test`.`t1`.`grp` having <cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))
select a, oref, a in ( select a, oref, a in (
select max(ie) from t1 where oref=t2.oref group by grp union select max(ie) from t1 where oref=t2.oref group by grp union
select max(ie) from t1 where oref=t2.oref group by grp select max(ie) from t1 where oref=t2.oref group by grp
@@ -73,7 +73,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t3 ALL NULL NULL NULL NULL 2 100.00
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary 2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary
Warnings: Warnings:
Note 1003 select <expr_cache><`test`.`t3`.`a`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where `test`.`t1`.`oref` = 4 group by `test`.`t1`.`grp` having trigcond(<cache>(`test`.`t3`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `a in (select max(ie) from t1 where oref=4 group by grp)` from `test`.`t3` Note 1003 /* select#1 */ select <expr_cache><`test`.`t3`.`a`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(/* select#2 */ select max(`test`.`t1`.`ie`) from `test`.`t1` where `test`.`t1`.`oref` = 4 group by `test`.`t1`.`grp` having trigcond(<cache>(`test`.`t3`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `a in (select max(ie) from t1 where oref=4 group by grp)` from `test`.`t3`
set @@optimizer_switch=@save_optimizer_switch; set @@optimizer_switch=@save_optimizer_switch;
drop table t1, t2, t3; drop table t1, t2, t3;
create table t1 (a int, oref int, key(a)); create table t1 (a int, oref int, key(a));
@@ -99,7 +99,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 2 100.00 Using where; Full scan on NULL key 2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 2 100.00 Using where; Full scan on NULL key
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where `test`.`t1`.`oref` = `test`.`t2`.`oref` having trigcond(`test`.`t1`.`a` is null))))) AS `Z` from `test`.`t2` Note 1003 /* select#1 */ select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where `test`.`t1`.`oref` = `test`.`t2`.`oref` having trigcond(`test`.`t1`.`a` is null))))) AS `Z` from `test`.`t2`
flush status; flush status;
select oref, a from t2 where a in (select a from t1 where oref=t2.oref); select oref, a from t2 where a in (select a from t1 where oref=t2.oref);
oref a oref a
@@ -169,7 +169,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ref a a 5 test.t1.b 1 100.00 Using where 2 DEPENDENT SUBQUERY t2 ref a a 5 test.t1.b 1 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<expr_cache><`test`.`t3`.`a`,`test`.`t3`.`oref`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(select `test`.`t1`.`a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`b` = `test`.`t3`.`oref` and trigcond(<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null) and `test`.`t2`.`a` = `test`.`t1`.`b` having trigcond(`test`.`t1`.`a` is null)))) AS `Z` from `test`.`t3` Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<expr_cache><`test`.`t3`.`a`,`test`.`t3`.`oref`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`b` = `test`.`t3`.`oref` and trigcond(<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null) and `test`.`t2`.`a` = `test`.`t1`.`b` having trigcond(`test`.`t1`.`a` is null)))) AS `Z` from `test`.`t3`
drop table t1, t2, t3; drop table t1, t2, t3;
create table t1 (a int NOT NULL, b int NOT NULL, key(a)); create table t1 (a int NOT NULL, b int NOT NULL, key(a));
insert into t1 values insert into t1 values
@@ -197,7 +197,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ref a a 4 test.t1.b 1 100.00 Using where 2 DEPENDENT SUBQUERY t2 ref a a 4 test.t1.b 1 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<expr_cache><`test`.`t3`.`a`,`test`.`t3`.`oref`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(select `test`.`t1`.`a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`b` = `test`.`t3`.`oref` and trigcond(<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`) and `test`.`t2`.`a` = `test`.`t1`.`b`))) AS `Z` from `test`.`t3` Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<expr_cache><`test`.`t3`.`a`,`test`.`t3`.`oref`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`b` = `test`.`t3`.`oref` and trigcond(<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`) and `test`.`t2`.`a` = `test`.`t1`.`b`))) AS `Z` from `test`.`t3`
drop table t1,t2,t3; drop table t1,t2,t3;
create table t1 (oref int, grp int); create table t1 (oref int, grp int);
insert into t1 (oref, grp) values insert into t1 (oref, grp) values
@@ -221,7 +221,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary 2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary
Warnings: Warnings:
Note 1276 Field or reference 't2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 't2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(select count(0) from `test`.`t1` group by `test`.`t1`.`grp` having `test`.`t1`.`grp` = `test`.`t2`.`oref` and trigcond(<cache>(`test`.`t2`.`a`) = <ref_null_helper>(count(0)))))) AS `Z` from `test`.`t2` Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(/* select#2 */ select count(0) from `test`.`t1` group by `test`.`t1`.`grp` having `test`.`t1`.`grp` = `test`.`t2`.`oref` and trigcond(<cache>(`test`.`t2`.`a`) = <ref_null_helper>(count(0)))))) AS `Z` from `test`.`t2`
drop table t1, t2; drop table t1, t2;
create table t1 (a int, b int, primary key (a)); create table t1 (a int, b int, primary key (a));
insert into t1 values (1,1), (3,1),(100,1); insert into t1 values (1,1), (3,1),(100,1);
@@ -253,7 +253,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 2 100.00 Using where; Full scan on NULL key 2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 2 100.00 Using where; Full scan on NULL key
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where `test`.`t1`.`c` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b` or `test`.`t1`.`b` is null)) having trigcond(`test`.`t1`.`a` is null) and trigcond(`test`.`t1`.`b` is null))))) AS `Z` from `test`.`t2` Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where `test`.`t1`.`c` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b` or `test`.`t1`.`b` is null)) having trigcond(`test`.`t1`.`a` is null) and trigcond(`test`.`t1`.`b` is null))))) AS `Z` from `test`.`t2`
select a,b, oref, (a,b) in (select a,b from t1 where c=t2.oref) Z from t2; select a,b, oref, (a,b) in (select a,b from t1 where c=t2.oref) Z from t2;
a b oref Z a b oref Z
NULL 1 100 0 NULL 1 100 0
@@ -270,7 +270,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t4 ALL NULL NULL NULL NULL 100 100.00 Using where; Using join buffer (flat, BNL join) 2 DEPENDENT SUBQUERY t4 ALL NULL NULL NULL NULL 100 100.00 Using where; Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(select `test`.`t1`.`a`,`test`.`t1`.`b` from `test`.`t1` join `test`.`t4` where `test`.`t1`.`c` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b` or `test`.`t1`.`b` is null)) having trigcond(`test`.`t1`.`a` is null) and trigcond(`test`.`t1`.`b` is null)))) AS `Z` from `test`.`t2` Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(/* select#2 */ select `test`.`t1`.`a`,`test`.`t1`.`b` from `test`.`t1` join `test`.`t4` where `test`.`t1`.`c` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b` or `test`.`t1`.`b` is null)) having trigcond(`test`.`t1`.`a` is null) and trigcond(`test`.`t1`.`b` is null)))) AS `Z` from `test`.`t2`
select a,b, oref, select a,b, oref,
(a,b) in (select a,b from t1,t4 where c=t2.oref) Z (a,b) in (select a,b from t1,t4 where c=t2.oref) Z
from t2; from t2;
@@ -315,7 +315,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key 2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where `test`.`t1`.`oref` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1` or `test`.`t1`.`ie1` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2` or `test`.`t1`.`ie2` is null)) having trigcond(`test`.`t1`.`ie1` is null) and trigcond(`test`.`t1`.`ie2` is null))))) AS `Z` from `test`.`t2` where `test`.`t2`.`a` = 10 and `test`.`t2`.`b` = 10 Note 1003 /* select#1 */ select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where `test`.`t1`.`oref` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1` or `test`.`t1`.`ie1` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2` or `test`.`t1`.`ie2` is null)) having trigcond(`test`.`t1`.`ie1` is null) and trigcond(`test`.`t1`.`ie2` is null))))) AS `Z` from `test`.`t2` where `test`.`t2`.`a` = 10 and `test`.`t2`.`b` = 10
drop table t1, t2; drop table t1, t2;
create table t1 (oref char(4), grp int, ie int); create table t1 (oref char(4), grp int, ie int);
insert into t1 (oref, grp, ie) values insert into t1 (oref, grp, ie) values
@@ -585,7 +585,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key 2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where `test`.`t1`.`oref` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1` or `test`.`t1`.`ie1` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2` or `test`.`t1`.`ie2` is null)) having trigcond(`test`.`t1`.`ie1` is null) and trigcond(`test`.`t1`.`ie2` is null))))) AS `Z` from `test`.`t2` Note 1003 /* select#1 */ select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where `test`.`t1`.`oref` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1` or `test`.`t1`.`ie1` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2` or `test`.`t1`.`ie2` is null)) having trigcond(`test`.`t1`.`ie1` is null) and trigcond(`test`.`t1`.`ie2` is null))))) AS `Z` from `test`.`t2`
drop table t1,t2; drop table t1,t2;
create table t1 (oref char(4), grp int, ie int primary key); create table t1 (oref char(4), grp int, ie int primary key);
insert into t1 (oref, grp, ie) values insert into t1 (oref, grp, ie) values
@@ -716,7 +716,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 100.00 Using index 1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 100.00 Using index
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`b` = `test`.`t1`.`a` and !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t1`.`a` from `test`.`t1` where trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null) having trigcond(`test`.`t1`.`a` is null)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`b` = `test`.`t1`.`a` and !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` where trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null) having trigcond(`test`.`t1`.`a` is null))))
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1)); SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1));
a a
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1 WHERE a > 4)); SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1 WHERE a > 4));
@@ -1481,7 +1481,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00 3 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where 2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where 1 Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where 1
SELECT * FROM t1 SELECT * FROM t1
WHERE ( WHERE (
( SELECT a FROM t2 WHERE a = 9 ), ( SELECT a FROM t2 WHERE a = 9 ),
@@ -1541,7 +1541,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.v' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.v' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`i` AS `i`,`test`.`t2`.`v` AS `v`,<expr_cache><`test`.`t2`.`v`>((select count(distinct `test`.`t1`.`i`) from `test`.`t1` where `test`.`t1`.`v` = `test`.`t2`.`v`)) AS `subsel` from `test`.`t2` Note 1003 /* select#1 */ select `test`.`t2`.`i` AS `i`,`test`.`t2`.`v` AS `v`,<expr_cache><`test`.`t2`.`v`>((/* select#2 */ select count(distinct `test`.`t1`.`i`) from `test`.`t1` where `test`.`t1`.`v` = `test`.`t2`.`v`)) AS `subsel` from `test`.`t2`
DROP TABLE t1,t2; DROP TABLE t1,t2;
End of 5.6 tests End of 5.6 tests
set @@optimizer_switch=@subselect3_tmp; set @@optimizer_switch=@subselect3_tmp;

28
mysql-test/r/subselect3_jcl6.result
View File

@@ -43,7 +43,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary 2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where `test`.`t1`.`oref` = `test`.`t2`.`oref` group by `test`.`t1`.`grp` having trigcond(<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `Z` from `test`.`t2` Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(/* select#2 */ select max(`test`.`t1`.`ie`) from `test`.`t1` where `test`.`t1`.`oref` = `test`.`t2`.`oref` group by `test`.`t1`.`grp` having trigcond(<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `Z` from `test`.`t2`
explain extended explain extended
select a, oref from t2 select a, oref from t2
where a in (select max(ie) from t1 where oref=t2.oref group by grp); where a in (select max(ie) from t1 where oref=t2.oref group by grp);
@@ -52,7 +52,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary 2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where `test`.`t1`.`oref` = `test`.`t2`.`oref` group by `test`.`t1`.`grp` having <cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`))))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(/* select#2 */ select max(`test`.`t1`.`ie`) from `test`.`t1` where `test`.`t1`.`oref` = `test`.`t2`.`oref` group by `test`.`t1`.`grp` having <cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))
select a, oref, a in ( select a, oref, a in (
select max(ie) from t1 where oref=t2.oref group by grp union select max(ie) from t1 where oref=t2.oref group by grp union
select max(ie) from t1 where oref=t2.oref group by grp select max(ie) from t1 where oref=t2.oref group by grp
@@ -83,7 +83,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t3 ALL NULL NULL NULL NULL 2 100.00
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary 2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary
Warnings: Warnings:
Note 1003 select <expr_cache><`test`.`t3`.`a`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where `test`.`t1`.`oref` = 4 group by `test`.`t1`.`grp` having trigcond(<cache>(`test`.`t3`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `a in (select max(ie) from t1 where oref=4 group by grp)` from `test`.`t3` Note 1003 /* select#1 */ select <expr_cache><`test`.`t3`.`a`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(/* select#2 */ select max(`test`.`t1`.`ie`) from `test`.`t1` where `test`.`t1`.`oref` = 4 group by `test`.`t1`.`grp` having trigcond(<cache>(`test`.`t3`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `a in (select max(ie) from t1 where oref=4 group by grp)` from `test`.`t3`
set @@optimizer_switch=@save_optimizer_switch; set @@optimizer_switch=@save_optimizer_switch;
drop table t1, t2, t3; drop table t1, t2, t3;
create table t1 (a int, oref int, key(a)); create table t1 (a int, oref int, key(a));
@@ -109,7 +109,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 2 100.00 Using where; Full scan on NULL key 2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 2 100.00 Using where; Full scan on NULL key
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where `test`.`t1`.`oref` = `test`.`t2`.`oref` having trigcond(`test`.`t1`.`a` is null))))) AS `Z` from `test`.`t2` Note 1003 /* select#1 */ select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where `test`.`t1`.`oref` = `test`.`t2`.`oref` having trigcond(`test`.`t1`.`a` is null))))) AS `Z` from `test`.`t2`
flush status; flush status;
select oref, a from t2 where a in (select a from t1 where oref=t2.oref); select oref, a from t2 where a in (select a from t1 where oref=t2.oref);
oref a oref a
@@ -179,7 +179,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ref a a 5 test.t1.b 1 100.00 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan 2 DEPENDENT SUBQUERY t2 ref a a 5 test.t1.b 1 100.00 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
Warnings: Warnings:
Note 1276 Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<expr_cache><`test`.`t3`.`a`,`test`.`t3`.`oref`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(select `test`.`t1`.`a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`b` = `test`.`t3`.`oref` and trigcond(<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null) and `test`.`t2`.`a` = `test`.`t1`.`b` having trigcond(`test`.`t1`.`a` is null)))) AS `Z` from `test`.`t3` Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<expr_cache><`test`.`t3`.`a`,`test`.`t3`.`oref`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`b` = `test`.`t3`.`oref` and trigcond(<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null) and `test`.`t2`.`a` = `test`.`t1`.`b` having trigcond(`test`.`t1`.`a` is null)))) AS `Z` from `test`.`t3`
drop table t1, t2, t3; drop table t1, t2, t3;
create table t1 (a int NOT NULL, b int NOT NULL, key(a)); create table t1 (a int NOT NULL, b int NOT NULL, key(a));
insert into t1 values insert into t1 values
@@ -207,7 +207,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ref a a 4 test.t1.b 1 100.00 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan 2 DEPENDENT SUBQUERY t2 ref a a 4 test.t1.b 1 100.00 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
Warnings: Warnings:
Note 1276 Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<expr_cache><`test`.`t3`.`a`,`test`.`t3`.`oref`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(select `test`.`t1`.`a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`b` = `test`.`t3`.`oref` and trigcond(<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`) and `test`.`t2`.`a` = `test`.`t1`.`b`))) AS `Z` from `test`.`t3` Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<expr_cache><`test`.`t3`.`a`,`test`.`t3`.`oref`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`b` = `test`.`t3`.`oref` and trigcond(<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`) and `test`.`t2`.`a` = `test`.`t1`.`b`))) AS `Z` from `test`.`t3`
drop table t1,t2,t3; drop table t1,t2,t3;
create table t1 (oref int, grp int); create table t1 (oref int, grp int);
insert into t1 (oref, grp) values insert into t1 (oref, grp) values
@@ -231,7 +231,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary 2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary
Warnings: Warnings:
Note 1276 Field or reference 't2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 't2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(select count(0) from `test`.`t1` group by `test`.`t1`.`grp` having `test`.`t1`.`grp` = `test`.`t2`.`oref` and trigcond(<cache>(`test`.`t2`.`a`) = <ref_null_helper>(count(0)))))) AS `Z` from `test`.`t2` Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(/* select#2 */ select count(0) from `test`.`t1` group by `test`.`t1`.`grp` having `test`.`t1`.`grp` = `test`.`t2`.`oref` and trigcond(<cache>(`test`.`t2`.`a`) = <ref_null_helper>(count(0)))))) AS `Z` from `test`.`t2`
drop table t1, t2; drop table t1, t2;
create table t1 (a int, b int, primary key (a)); create table t1 (a int, b int, primary key (a));
insert into t1 values (1,1), (3,1),(100,1); insert into t1 values (1,1), (3,1),(100,1);
@@ -263,7 +263,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 2 100.00 Using where; Full scan on NULL key 2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 2 100.00 Using where; Full scan on NULL key
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where `test`.`t1`.`c` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b` or `test`.`t1`.`b` is null)) having trigcond(`test`.`t1`.`a` is null) and trigcond(`test`.`t1`.`b` is null))))) AS `Z` from `test`.`t2` Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where `test`.`t1`.`c` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b` or `test`.`t1`.`b` is null)) having trigcond(`test`.`t1`.`a` is null) and trigcond(`test`.`t1`.`b` is null))))) AS `Z` from `test`.`t2`
select a,b, oref, (a,b) in (select a,b from t1 where c=t2.oref) Z from t2; select a,b, oref, (a,b) in (select a,b from t1 where c=t2.oref) Z from t2;
a b oref Z a b oref Z
NULL 1 100 0 NULL 1 100 0
@@ -280,7 +280,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t4 ALL NULL NULL NULL NULL 100 100.00 Using where; Using join buffer (flat, BNL join) 2 DEPENDENT SUBQUERY t4 ALL NULL NULL NULL NULL 100 100.00 Using where; Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(select `test`.`t1`.`a`,`test`.`t1`.`b` from `test`.`t1` join `test`.`t4` where `test`.`t1`.`c` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b` or `test`.`t1`.`b` is null)) having trigcond(`test`.`t1`.`a` is null) and trigcond(`test`.`t1`.`b` is null)))) AS `Z` from `test`.`t2` Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(/* select#2 */ select `test`.`t1`.`a`,`test`.`t1`.`b` from `test`.`t1` join `test`.`t4` where `test`.`t1`.`c` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b` or `test`.`t1`.`b` is null)) having trigcond(`test`.`t1`.`a` is null) and trigcond(`test`.`t1`.`b` is null)))) AS `Z` from `test`.`t2`
select a,b, oref, select a,b, oref,
(a,b) in (select a,b from t1,t4 where c=t2.oref) Z (a,b) in (select a,b from t1,t4 where c=t2.oref) Z
from t2; from t2;
@@ -325,7 +325,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key 2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where `test`.`t1`.`oref` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1` or `test`.`t1`.`ie1` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2` or `test`.`t1`.`ie2` is null)) having trigcond(`test`.`t1`.`ie1` is null) and trigcond(`test`.`t1`.`ie2` is null))))) AS `Z` from `test`.`t2` where `test`.`t2`.`a` = 10 and `test`.`t2`.`b` = 10 Note 1003 /* select#1 */ select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where `test`.`t1`.`oref` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1` or `test`.`t1`.`ie1` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2` or `test`.`t1`.`ie2` is null)) having trigcond(`test`.`t1`.`ie1` is null) and trigcond(`test`.`t1`.`ie2` is null))))) AS `Z` from `test`.`t2` where `test`.`t2`.`a` = 10 and `test`.`t2`.`b` = 10
drop table t1, t2; drop table t1, t2;
create table t1 (oref char(4), grp int, ie int); create table t1 (oref char(4), grp int, ie int);
insert into t1 (oref, grp, ie) values insert into t1 (oref, grp, ie) values
@@ -595,7 +595,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key 2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where `test`.`t1`.`oref` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1` or `test`.`t1`.`ie1` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2` or `test`.`t1`.`ie2` is null)) having trigcond(`test`.`t1`.`ie1` is null) and trigcond(`test`.`t1`.`ie2` is null))))) AS `Z` from `test`.`t2` Note 1003 /* select#1 */ select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where `test`.`t1`.`oref` = `test`.`t2`.`oref` and trigcond(trigcond(<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1` or `test`.`t1`.`ie1` is null)) and trigcond(trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2` or `test`.`t1`.`ie2` is null)) having trigcond(`test`.`t1`.`ie1` is null) and trigcond(`test`.`t1`.`ie2` is null))))) AS `Z` from `test`.`t2`
drop table t1,t2; drop table t1,t2;
create table t1 (oref char(4), grp int, ie int primary key); create table t1 (oref char(4), grp int, ie int primary key);
insert into t1 (oref, grp, ie) values insert into t1 (oref, grp, ie) values
@@ -726,7 +726,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 100.00 Using index 1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 100.00 Using index
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`b` = `test`.`t1`.`a` and !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t1`.`a` from `test`.`t1` where trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null) having trigcond(`test`.`t1`.`a` is null)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` where `test`.`t2`.`b` = `test`.`t1`.`a` and !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` where trigcond(<cache>(`test`.`t2`.`b`) = `test`.`t1`.`a` or `test`.`t1`.`a` is null) having trigcond(`test`.`t1`.`a` is null))))
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1)); SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1));
a a
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1 WHERE a > 4)); SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1 WHERE a > 4));
@@ -1491,7 +1491,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00 3 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where 2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where 1 Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where 1
SELECT * FROM t1 SELECT * FROM t1
WHERE ( WHERE (
( SELECT a FROM t2 WHERE a = 9 ), ( SELECT a FROM t2 WHERE a = 9 ),
@@ -1551,7 +1551,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.v' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.v' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`i` AS `i`,`test`.`t2`.`v` AS `v`,<expr_cache><`test`.`t2`.`v`>((select count(distinct `test`.`t1`.`i`) from `test`.`t1` where `test`.`t1`.`v` = `test`.`t2`.`v`)) AS `subsel` from `test`.`t2` Note 1003 /* select#1 */ select `test`.`t2`.`i` AS `i`,`test`.`t2`.`v` AS `v`,<expr_cache><`test`.`t2`.`v`>((/* select#2 */ select count(distinct `test`.`t1`.`i`) from `test`.`t1` where `test`.`t1`.`v` = `test`.`t2`.`v`)) AS `subsel` from `test`.`t2`
DROP TABLE t1,t2; DROP TABLE t1,t2;
End of 5.6 tests End of 5.6 tests
set @@optimizer_switch=@subselect3_tmp; set @@optimizer_switch=@subselect3_tmp;

8
mysql-test/r/subselect4.result
View File

@@ -388,7 +388,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1
Note 1003 select (select 1 from `test`.`t2` where 0) AS `RESULT` from dual Note 1003 /* select#1 */ select (/* select#2 */ select 1 from `test`.`t2` where 0) AS `RESULT` from dual
first equivalent variant first equivalent variant
SELECT (SELECT 1 FROM t2 WHERE d = IFNULL(c,NULL)) AS RESULT FROM t1 GROUP BY c ; SELECT (SELECT 1 FROM t2 WHERE d = IFNULL(c,NULL)) AS RESULT FROM t1 GROUP BY c ;
RESULT RESULT
@@ -399,7 +399,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1
Note 1003 select (select 1 from `test`.`t2` where 0) AS `RESULT` from dual group by NULL Note 1003 /* select#1 */ select (/* select#2 */ select 1 from `test`.`t2` where 0) AS `RESULT` from dual group by NULL
second equivalent variant second equivalent variant
SELECT (SELECT 1 FROM t2 WHERE d = c) AS RESULT FROM t1 GROUP BY c ; SELECT (SELECT 1 FROM t2 WHERE d = c) AS RESULT FROM t1 GROUP BY c ;
RESULT RESULT
@@ -410,7 +410,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.c' of SELECT #2 was resolved in SELECT #1
Note 1003 select (select 1 from `test`.`t2` where 0) AS `RESULT` from dual group by NULL Note 1003 /* select#1 */ select (/* select#2 */ select 1 from `test`.`t2` where 0) AS `RESULT` from dual group by NULL
DROP TABLE t1,t2; DROP TABLE t1,t2;
# #
# BUG#45928 "Differing query results depending on MRR and # BUG#45928 "Differing query results depending on MRR and
@@ -2349,7 +2349,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 system NULL NULL NULL NULL 1 100.00 1 PRIMARY t2 system NULL NULL NULL NULL 1 100.00
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where 2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1003 select 3 AS `f` from dual where !<expr_cache><3>(<in_optimizer>(3,<exists>(select `test`.`t1`.`b` from `test`.`t1` where (`test`.`t1`.`c` = 'USA' or `test`.`t1`.`c` <> 'USA') and trigcond(<cache>(3) = `test`.`t1`.`b` or `test`.`t1`.`b` is null) and `test`.`t1`.`b` = `test`.`t1`.`a` having trigcond(`test`.`t1`.`b` is null)))) Note 1003 /* select#1 */ select 3 AS `f` from dual where !<expr_cache><3>(<in_optimizer>(3,<exists>(/* select#2 */ select `test`.`t1`.`b` from `test`.`t1` where (`test`.`t1`.`c` = 'USA' or `test`.`t1`.`c` <> 'USA') and trigcond(<cache>(3) = `test`.`t1`.`b` or `test`.`t1`.`b` is null) and `test`.`t1`.`b` = `test`.`t1`.`a` having trigcond(`test`.`t1`.`b` is null))))
SELECT * FROM t2 SELECT * FROM t2
WHERE f NOT IN (SELECT b FROM t1 WHERE f NOT IN (SELECT b FROM t1
WHERE 0 OR (c IN ('USA') OR c NOT IN ('USA')) AND a = b); WHERE 0 OR (c IN ('USA') OR c NOT IN ('USA')) AND a = b);

4
mysql-test/r/subselect_cache.result
View File

@@ -135,6 +135,7 @@ ANALYZE
{ {
"query_block": { "query_block": {
"select_id": 4, "select_id": 4,
"operation": "UNION",
"table": { "table": {
"message": "No tables used" "message": "No tables used"
} }
@@ -237,6 +238,7 @@ EXPLAIN
{ {
"query_block": { "query_block": {
"select_id": 4, "select_id": 4,
"operation": "UNION",
"table": { "table": {
"message": "No tables used" "message": "No tables used"
} }
@@ -3613,7 +3615,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`b` from `test`.`t2` where <cache>(`test`.`t1`.`a`) = `test`.`t2`.`b`))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t2`.`b` from `test`.`t2` where <cache>(`test`.`t1`.`a`) = `test`.`t2`.`b`)))
drop table t1,t2; drop table t1,t2;
set @@optimizer_switch= default; set @@optimizer_switch= default;
# LP BUG#615760 (part 2: incorrect heap table index flags) # LP BUG#615760 (part 2: incorrect heap table index flags)

30
mysql-test/r/subselect_exists2in.result
View File

@@ -68,7 +68,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t3 ALL bb NULL NULL NULL 2 100.00 Using where 2 DEPENDENT SUBQUERY t3 ALL bb NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t3`.`b` from `test`.`t3` where <cache>(`test`.`t1`.`a`) = `test`.`t3`.`b`)) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t3`.`b` from `test`.`t3` where <cache>(`test`.`t1`.`a`) = `test`.`t3`.`b`))
-- EXIST2IN then MATERIALIZATION -- EXIST2IN then MATERIALIZATION
set optimizer_switch='exists_to_in=on,in_to_exists=off,semijoin=off,materialization=on,subquery_cache=off'; set optimizer_switch='exists_to_in=on,in_to_exists=off,semijoin=off,materialization=on,subquery_cache=off';
SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t3 WHERE t3.b = t1.a); SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t3 WHERE t3.b = t1.a);
@@ -81,7 +81,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t3`.`b` from `test`.`t3` where 1 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`b`))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `test`.`t3`.`b` from `test`.`t3` where 1 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`b`)))
-- NO EXIST2IN -- NO EXIST2IN
set optimizer_switch='exists_to_in=off,subquery_cache=off'; set optimizer_switch='exists_to_in=off,subquery_cache=off';
SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t3 WHERE t3.b = t1.a); SELECT * FROM t1 WHERE EXISTS ( SELECT a FROM t3 WHERE t3.b = t1.a);
@@ -94,7 +94,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t3 ALL bb NULL NULL NULL 2 100.00 Using where 2 DEPENDENT SUBQUERY t3 ALL bb NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where exists(select `test`.`t3`.`a` from `test`.`t3` where `test`.`t3`.`b` = `test`.`t1`.`a`) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where exists(/* select#2 */ select `test`.`t3`.`a` from `test`.`t3` where `test`.`t3`.`b` = `test`.`t1`.`a`)
set optimizer_switch=default; set optimizer_switch=default;
set optimizer_switch='exists_to_in=on'; set optimizer_switch='exists_to_in=on';
drop table t1,t2,t3; drop table t1,t2,t3;
@@ -313,7 +313,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`b` from `test`.`t2` where 1 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`b`)))) or `test`.`t1`.`a` > 0 Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `test`.`t2`.`b` from `test`.`t2` where 1 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`b`)))) or `test`.`t1`.`a` > 0
drop tables t1,t2; drop tables t1,t2;
CREATE TABLE t1 ( a INT ); CREATE TABLE t1 ( a INT );
INSERT INTO t1 VALUES (1),(5); INSERT INTO t1 VALUES (1),(5);
@@ -330,7 +330,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00 Using where 3 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.b' of SELECT #3 was resolved in SELECT #2 Note 1276 Field or reference 'test.t2.b' of SELECT #3 was resolved in SELECT #2
Note 1003 select (select 1 from dual where !(1 is not null and <in_optimizer>(1,1 in ( <materialize> (select `test`.`t3`.`c` from `test`.`t3` where `test`.`t3`.`c` is not null ), <primary_index_lookup>(1 in <temporary table> on distinct_key where 1 = `<subquery3>`.`c`))))) AS `( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) )` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select 1 from dual where !(1 is not null and <in_optimizer>(1,1 in ( <materialize> (/* select#3 */ select `test`.`t3`.`c` from `test`.`t3` where `test`.`t3`.`c` is not null ), <primary_index_lookup>(1 in <temporary table> on distinct_key where 1 = `<subquery3>`.`c`))))) AS `( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) )` from `test`.`t1`
SELECT ( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) FROM t1; SELECT ( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) FROM t1;
( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) ( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) )
1 1
@@ -344,7 +344,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00 Using where 3 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.b' of SELECT #3 was resolved in SELECT #2 Note 1276 Field or reference 'test.t2.b' of SELECT #3 was resolved in SELECT #2
Note 1003 select (select 1 from dual where !(1 is not null and <in_optimizer>(1,1 in ( <materialize> (select `test`.`t3`.`c` from `test`.`t3` where `test`.`t3`.`c` is not null ), <primary_index_lookup>(1 in <temporary table> on distinct_key where 1 = `<subquery3>`.`c`))))) AS `( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) )` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select 1 from dual where !(1 is not null and <in_optimizer>(1,1 in ( <materialize> (/* select#3 */ select `test`.`t3`.`c` from `test`.`t3` where `test`.`t3`.`c` is not null ), <primary_index_lookup>(1 in <temporary table> on distinct_key where 1 = `<subquery3>`.`c`))))) AS `( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) )` from `test`.`t1`
SELECT ( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) FROM t1; SELECT ( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) FROM t1;
( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) ( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) )
1 1
@@ -358,7 +358,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where 3 SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.b' of SELECT #3 was resolved in SELECT #2 Note 1276 Field or reference 'test.t2.b' of SELECT #3 was resolved in SELECT #2
Note 1003 select (select 1 from dual where !exists(select `test`.`t3`.`c` from `test`.`t3` where `test`.`t3`.`c` = 1)) AS `( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) )` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select 1 from dual where !exists(/* select#3 */ select `test`.`t3`.`c` from `test`.`t3` where `test`.`t3`.`c` = 1)) AS `( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) )` from `test`.`t1`
SELECT ( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) FROM t1; SELECT ( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) FROM t1;
( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) ) ( SELECT b FROM t2 WHERE NOT EXISTS ( SELECT c FROM t3 WHERE c = b ) )
1 1
@@ -401,7 +401,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t1.a1' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a1' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`a1` AS `a1` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a`,`test`.`t1`.`a1`),<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t3 on bb where <cache>(`test`.`t1`.`a`) = `test`.`t3`.`b` and <cache>(`test`.`t1`.`a1`) = `test`.`t3`.`b1`))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`a1` AS `a1` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a`,`test`.`t1`.`a1`),<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t3 on bb where <cache>(`test`.`t1`.`a`) = `test`.`t3`.`b` and <cache>(`test`.`t1`.`a1`) = `test`.`t3`.`b1`)))
-- EXIST2IN then MATERIALIZATION -- EXIST2IN then MATERIALIZATION
set optimizer_switch='exists_to_in=on,in_to_exists=off,semijoin=off,materialization=on,subquery_cache=off'; set optimizer_switch='exists_to_in=on,in_to_exists=off,semijoin=off,materialization=on,subquery_cache=off';
SELECT * FROM t1 WHERE EXISTS ( SELECT * FROM t3 WHERE t3.b = t1.a and t3.b1 = t1.a1); SELECT * FROM t1 WHERE EXISTS ( SELECT * FROM t3 WHERE t3.b = t1.a and t3.b1 = t1.a1);
@@ -415,7 +415,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t1.a1' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a1' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`a1` AS `a1` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a`,`test`.`t1`.`a1`),(`test`.`t1`.`a`,`test`.`t1`.`a1`) in ( <materialize> (select `test`.`t3`.`b`,`test`.`t3`.`b1` from `test`.`t3` where 1 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`b` and `test`.`t1`.`a1` = `<subquery2>`.`b1`))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`a1` AS `a1` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`a`,`test`.`t1`.`a1`),(`test`.`t1`.`a`,`test`.`t1`.`a1`) in ( <materialize> (/* select#2 */ select `test`.`t3`.`b`,`test`.`t3`.`b1` from `test`.`t3` where 1 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`b` and `test`.`t1`.`a1` = `<subquery2>`.`b1`)))
-- NO EXIST2IN -- NO EXIST2IN
set optimizer_switch='exists_to_in=off,subquery_cache=off'; set optimizer_switch='exists_to_in=off,subquery_cache=off';
SELECT * FROM t1 WHERE EXISTS ( SELECT * FROM t3 WHERE t3.b = t1.a and t3.b1 = t1.a1); SELECT * FROM t1 WHERE EXISTS ( SELECT * FROM t3 WHERE t3.b = t1.a and t3.b1 = t1.a1);
@@ -429,7 +429,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t1.a1' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a1' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`a1` AS `a1` from `test`.`t1` where exists(select 1 from `test`.`t3` where `test`.`t3`.`b` = `test`.`t1`.`a` and `test`.`t3`.`b1` = `test`.`t1`.`a1`) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`a1` AS `a1` from `test`.`t1` where exists(/* select#2 */ select 1 from `test`.`t3` where `test`.`t3`.`b` = `test`.`t1`.`a` and `test`.`t3`.`b1` = `test`.`t1`.`a1`)
set optimizer_switch=default; set optimizer_switch=default;
set optimizer_switch='exists_to_in=on'; set optimizer_switch='exists_to_in=on';
drop table t1,t3; drop table t1,t3;
@@ -466,7 +466,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'v.d' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'v.d' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'v.b' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'v.b' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`c` AS `c` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`b`,<exists>(select `test`.`t2`.`b` from `test`.`t1` join `test`.`t2` where `test`.`t1`.`a` <= `test`.`t2`.`d` and <cache>(`test`.`t2`.`b`) = `test`.`t2`.`b`)) and `test`.`t2`.`b` < 1 Note 1003 /* select#1 */ select `test`.`t2`.`c` AS `c` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`b`,<exists>(/* select#2 */ select `test`.`t2`.`b` from `test`.`t1` join `test`.`t2` where `test`.`t1`.`a` <= `test`.`t2`.`d` and <cache>(`test`.`t2`.`b`) = `test`.`t2`.`b`)) and `test`.`t2`.`b` < 1
set optimizer_switch=default; set optimizer_switch=default;
set optimizer_switch='exists_to_in=on'; set optimizer_switch='exists_to_in=on';
drop view v; drop view v;
@@ -544,7 +544,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'test.alias2.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.alias2.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.alias1.b' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.alias1.b' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`alias1`.`a` AS `a`,`test`.`alias1`.`b` AS `b`,`test`.`alias2`.`a` AS `a`,`test`.`alias2`.`b` AS `b` from `test`.`t1` `alias1` join `test`.`t1` `alias2` where <expr_cache><`test`.`alias1`.`b`,`test`.`alias2`.`a`>(<in_optimizer>(`test`.`alias1`.`b`,<exists>(select `test`.`t2`.`c` from `test`.`t1` join `test`.`t2` where `test`.`t1`.`a` <= `test`.`alias2`.`a` and <cache>(`test`.`alias1`.`b`) = `test`.`t2`.`c`))) or `test`.`alias1`.`a` = 'foo' Note 1003 /* select#1 */ select `test`.`alias1`.`a` AS `a`,`test`.`alias1`.`b` AS `b`,`test`.`alias2`.`a` AS `a`,`test`.`alias2`.`b` AS `b` from `test`.`t1` `alias1` join `test`.`t1` `alias2` where <expr_cache><`test`.`alias1`.`b`,`test`.`alias2`.`a`>(<in_optimizer>(`test`.`alias1`.`b`,<exists>(/* select#2 */ select `test`.`t2`.`c` from `test`.`t1` join `test`.`t2` where `test`.`t1`.`a` <= `test`.`alias2`.`a` and <cache>(`test`.`alias1`.`b`) = `test`.`t2`.`c`))) or `test`.`alias1`.`a` = 'foo'
drop table t1,t2; drop table t1,t2;
set optimizer_switch=default; set optimizer_switch=default;
set optimizer_switch='exists_to_in=on'; set optimizer_switch='exists_to_in=on';
@@ -568,7 +568,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where !(`test`.`t1`.`a` is not null and <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`b` from `test`.`t2` where `test`.`t2`.`b` is not null and <cache>(`test`.`t1`.`a`) = `test`.`t2`.`b`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where !(`test`.`t1`.`a` is not null and <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t2`.`b` from `test`.`t2` where `test`.`t2`.`b` is not null and <cache>(`test`.`t1`.`a`) = `test`.`t2`.`b`))))
drop table t1,t2; drop table t1,t2;
set optimizer_switch=default; set optimizer_switch=default;
set optimizer_switch='exists_to_in=on'; set optimizer_switch='exists_to_in=on';
@@ -608,7 +608,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'test.alias.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.alias.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.alias.b' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.alias.b' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`alias`.`a` AS `a`,`test`.`alias`.`b` AS `b` from `test`.`t1` `alias` where <in_optimizer>(`test`.`alias`.`b`,<exists>(select `test`.`t1`.`a` from `test`.`t1` where `test`.`t1`.`a` > `test`.`alias`.`a` and <cache>(`test`.`alias`.`b`) = `test`.`t1`.`a`)) Note 1003 /* select#1 */ select `test`.`alias`.`a` AS `a`,`test`.`alias`.`b` AS `b` from `test`.`t1` `alias` where <in_optimizer>(`test`.`alias`.`b`,<exists>(/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` where `test`.`t1`.`a` > `test`.`alias`.`a` and <cache>(`test`.`alias`.`b`) = `test`.`t1`.`a`))
SET optimizer_switch = 'exists_to_in=on,materialization=on,semijoin=on'; SET optimizer_switch = 'exists_to_in=on,materialization=on,semijoin=on';
SELECT * FROM t1 AS alias SELECT * FROM t1 AS alias
WHERE EXISTS ( SELECT * FROM t1 WHERE a > alias.a AND a = alias.b ); WHERE EXISTS ( SELECT * FROM t1 WHERE a > alias.a AND a = alias.b );
@@ -661,7 +661,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'test.alias1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.alias1.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.alias2.b' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.alias2.b' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`alias1`.`a` AS `a`,`test`.`alias2`.`b` AS `b` from `test`.`t1` `alias1` join `test`.`t2` `alias2` where <expr_cache><`test`.`alias1`.`a`,`test`.`alias2`.`b`>(<in_optimizer>(`test`.`alias1`.`a`,<exists>(select `test`.`t2`.`b` from `test`.`t2` where `test`.`t2`.`b` > `test`.`alias2`.`b` and <cache>(`test`.`alias1`.`a`) = `test`.`t2`.`b`))) or `test`.`alias1`.`a` = 5 Note 1003 /* select#1 */ select `test`.`alias1`.`a` AS `a`,`test`.`alias2`.`b` AS `b` from `test`.`t1` `alias1` join `test`.`t2` `alias2` where <expr_cache><`test`.`alias1`.`a`,`test`.`alias2`.`b`>(<in_optimizer>(`test`.`alias1`.`a`,<exists>(/* select#2 */ select `test`.`t2`.`b` from `test`.`t2` where `test`.`t2`.`b` > `test`.`alias2`.`b` and <cache>(`test`.`alias1`.`a`) = `test`.`t2`.`b`))) or `test`.`alias1`.`a` = 5
drop table t1, t2; drop table t1, t2;
set optimizer_switch=default; set optimizer_switch=default;
set optimizer_switch='exists_to_in=on'; set optimizer_switch='exists_to_in=on';

12
mysql-test/r/subselect_extra_no_semijoin.result
View File

@@ -49,7 +49,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.cur_date' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.cur_date' of SELECT #2 was resolved in SELECT #1
Note 1003 select 1 AS `id`,'2007-04-25 18:30:22' AS `cur_date` from dual where <expr_cache><1>(<in_optimizer>(1,<exists>(select `test`.`x1`.`id` from `test`.`t1` `x1` where 0))) Note 1003 /* select#1 */ select 1 AS `id`,'2007-04-25 18:30:22' AS `cur_date` from dual where <expr_cache><1>(<in_optimizer>(1,<exists>(/* select#2 */ select `test`.`x1`.`id` from `test`.`t1` `x1` where 0)))
select * from t1 select * from t1
where id in (select id from t1 as x1 where (t1.cur_date is null)); where id in (select id from t1 as x1 where (t1.cur_date is null));
id cur_date id cur_date
@@ -61,7 +61,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.cur_date' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.cur_date' of SELECT #2 was resolved in SELECT #1
Note 1003 select 1 AS `id`,'2007-04-25' AS `cur_date` from dual where <expr_cache><1>(<in_optimizer>(1,<exists>(select `test`.`x1`.`id` from `test`.`t2` `x1` where 0))) Note 1003 /* select#1 */ select 1 AS `id`,'2007-04-25' AS `cur_date` from dual where <expr_cache><1>(<in_optimizer>(1,<exists>(/* select#2 */ select `test`.`x1`.`id` from `test`.`t2` `x1` where 0)))
select * from t2 select * from t2
where id in (select id from t2 as x1 where (t2.cur_date is null)); where id in (select id from t2 as x1 where (t2.cur_date is null));
id cur_date id cur_date
@@ -75,7 +75,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY x1 ALL NULL NULL NULL NULL 2 100.00 Using where 2 DEPENDENT SUBQUERY x1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.cur_date' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.cur_date' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`cur_date` AS `cur_date` from `test`.`t1` where <expr_cache><`test`.`t1`.`id`,`test`.`t1`.`cur_date`>(<in_optimizer>(`test`.`t1`.`id`,<exists>(select `test`.`x1`.`id` from `test`.`t1` `x1` where `test`.`t1`.`cur_date` = 0 and <cache>(`test`.`t1`.`id`) = `test`.`x1`.`id`))) Note 1003 /* select#1 */ select `test`.`t1`.`id` AS `id`,`test`.`t1`.`cur_date` AS `cur_date` from `test`.`t1` where <expr_cache><`test`.`t1`.`id`,`test`.`t1`.`cur_date`>(<in_optimizer>(`test`.`t1`.`id`,<exists>(/* select#2 */ select `test`.`x1`.`id` from `test`.`t1` `x1` where `test`.`t1`.`cur_date` = 0 and <cache>(`test`.`t1`.`id`) = `test`.`x1`.`id`)))
select * from t1 select * from t1
where id in (select id from t1 as x1 where (t1.cur_date is null)); where id in (select id from t1 as x1 where (t1.cur_date is null));
id cur_date id cur_date
@@ -87,7 +87,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY x1 ALL NULL NULL NULL NULL 2 100.00 Using where 2 DEPENDENT SUBQUERY x1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.cur_date' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.cur_date' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t2`.`id` AS `id`,`test`.`t2`.`cur_date` AS `cur_date` from `test`.`t2` where <expr_cache><`test`.`t2`.`id`,`test`.`t2`.`cur_date`>(<in_optimizer>(`test`.`t2`.`id`,<exists>(select `test`.`x1`.`id` from `test`.`t2` `x1` where `test`.`t2`.`cur_date` = 0 and <cache>(`test`.`t2`.`id`) = `test`.`x1`.`id`))) Note 1003 /* select#1 */ select `test`.`t2`.`id` AS `id`,`test`.`t2`.`cur_date` AS `cur_date` from `test`.`t2` where <expr_cache><`test`.`t2`.`id`,`test`.`t2`.`cur_date`>(<in_optimizer>(`test`.`t2`.`id`,<exists>(/* select#2 */ select `test`.`x1`.`id` from `test`.`t2` `x1` where `test`.`t2`.`cur_date` = 0 and <cache>(`test`.`t2`.`id`) = `test`.`x1`.`id`)))
select * from t2 select * from t2
where id in (select id from t2 as x1 where (t2.cur_date is null)); where id in (select id from t2 as x1 where (t2.cur_date is null));
id cur_date id cur_date
@@ -351,7 +351,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where 1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
3 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1 100.00 3 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1 100.00
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` where <expr_cache><0>(<in_optimizer>(0,<exists>(select 0 from dual where <cache>(0) = 0))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` where <expr_cache><0>(<in_optimizer>(0,<exists>(/* select#3 */ select 0 from dual where <cache>(0) = 0)))
SELECT * FROM t2 RIGHT JOIN v1 AS t ON t.a != 0 SELECT * FROM t2 RIGHT JOIN v1 AS t ON t.a != 0
WHERE t.a IN (SELECT b FROM t1); WHERE t.a IN (SELECT b FROM t1);
a a b a a b
@@ -364,7 +364,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where 1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1 100.00 2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1 100.00
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` where <expr_cache><0>(<in_optimizer>(0,<exists>(select 0 from dual where <cache>(0) = 0))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` where <expr_cache><0>(<in_optimizer>(0,<exists>(/* select#2 */ select 0 from dual where <cache>(0) = 0)))
DROP VIEW v1; DROP VIEW v1;
DROP TABLE t1,t2; DROP TABLE t1,t2;
# #

122
mysql-test/r/subselect_mat.result
View File

@@ -50,7 +50,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t1`.`a1`,`test`.`t1`.`a1` in ( <materialize> (select `test`.`t2`.`b1` from `test`.`t2` where `test`.`t2`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t1`.`a1`,`test`.`t1`.`a1` in ( <materialize> (/* select#2 */ select `test`.`t2`.`b1` from `test`.`t2` where `test`.`t2`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1`))))
select * from t1 where a1 in (select b1 from t2 where b1 > '0'); select * from t1 where a1 in (select b1 from t2 where b1 > '0');
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -61,7 +61,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t1`.`a1`,`test`.`t1`.`a1` in ( <materialize> (select `test`.`t2`.`b1` from `test`.`t2` where `test`.`t2`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t1`.`a1`,`test`.`t1`.`a1` in ( <materialize> (/* select#2 */ select `test`.`t2`.`b1` from `test`.`t2` where `test`.`t2`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1`))))
select * from t1 where a1 in (select b1 from t2 where b1 > '0' group by b1); select * from t1 where a1 in (select b1 from t2 where b1 > '0' group by b1);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -72,7 +72,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where `test`.`t2`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`b2`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (/* select#2 */ select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where `test`.`t2`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`b2`))))
select * from t1 where (a1, a2) in (select b1, b2 from t2 where b1 > '0' group by b1, b2); select * from t1 where (a1, a2) in (select b1, b2 from t2 where b1 > '0' group by b1, b2);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -83,7 +83,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where; Using temporary 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where; Using temporary
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,min(`test`.`t2`.`b2`) from `test`.`t2` where `test`.`t2`.`b1` > '0' group by `test`.`t2`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`min(b2)`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (/* select#2 */ select `test`.`t2`.`b1`,min(`test`.`t2`.`b2`) from `test`.`t2` where `test`.`t2`.`b1` > '0' group by `test`.`t2`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`min(b2)`))))
select * from t1 where (a1, a2) in (select b1, min(b2) from t2 where b1 > '0' group by b1); select * from t1 where (a1, a2) in (select b1, min(b2) from t2 where b1 > '0' group by b1);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -94,7 +94,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1i index NULL _it1_idx # NULL 3 100.00 Using where; 1 PRIMARY t1i index NULL _it1_idx # NULL 3 100.00 Using where;
2 MATERIALIZED t2i index it2i1,it2i3 it2i1 # NULL 5 100.00 Using where; 2 MATERIALIZED t2i index it2i1,it2i3 it2i1 # NULL 5 100.00 Using where;
Warnings: Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`>(<in_optimizer>(`test`.`t1i`.`a1`,`test`.`t1i`.`a1` in ( <materialize> (select `test`.`t2i`.`b1` from `test`.`t2i` where `test`.`t2i`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery2>`.`b1`)))) Note 1003 /* select#1 */ select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`>(<in_optimizer>(`test`.`t1i`.`a1`,`test`.`t1i`.`a1` in ( <materialize> (/* select#2 */ select `test`.`t2i`.`b1` from `test`.`t2i` where `test`.`t2i`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery2>`.`b1`))))
select * from t1i where a1 in (select b1 from t2i where b1 > '0'); select * from t1i where a1 in (select b1 from t2i where b1 > '0');
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -105,7 +105,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1i index NULL # 18 # 3 100.00 # 1 PRIMARY t1i index NULL # 18 # 3 100.00 #
2 MATERIALIZED t2i range it2i1,it2i3 # 9 # 5 100.00 # 2 MATERIALIZED t2i range it2i1,it2i3 # 9 # 5 100.00 #
Warnings: Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`>(<in_optimizer>(`test`.`t1i`.`a1`,`test`.`t1i`.`a1` in ( <materialize> (select max(`test`.`t2i`.`b1`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery2>`.`max(b1)`)))) Note 1003 /* select#1 */ select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`>(<in_optimizer>(`test`.`t1i`.`a1`,`test`.`t1i`.`a1` in ( <materialize> (/* select#2 */ select max(`test`.`t2i`.`b1`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery2>`.`max(b1)`))))
select * from t1i where a1 in (select max(b1) from t2i where b1 > '0' group by b1); select * from t1i where a1 in (select max(b1) from t2i where b1 > '0' group by b1);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -116,7 +116,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1i index NULL _it1_idx # NULL 3 100.00 Using where; 1 PRIMARY t1i index NULL _it1_idx # NULL 3 100.00 Using where;
2 MATERIALIZED t2i index it2i1,it2i3 it2i3 # NULL 5 100.00 Using where; 2 MATERIALIZED t2i index it2i1,it2i3 it2i3 # NULL 5 100.00 Using where;
Warnings: Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery2>`.`b1` and `test`.`t1i`.`a2` = `<subquery2>`.`b2`)))) Note 1003 /* select#1 */ select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (/* select#2 */ select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery2>`.`b1` and `test`.`t1i`.`a2` = `<subquery2>`.`b2`))))
select * from t1i where (a1, a2) in (select b1, b2 from t2i where b1 > '0'); select * from t1i where (a1, a2) in (select b1, b2 from t2i where b1 > '0');
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -127,7 +127,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1i index NULL # # # 3 100.00 # 1 PRIMARY t1i index NULL # # # 3 100.00 #
2 MATERIALIZED t2i range it2i1,it2i3 # # # 3 100.00 # 2 MATERIALIZED t2i range it2i1,it2i3 # # # 3 100.00 #
Warnings: Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,max(`test`.`t2i`.`b2`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery2>`.`b1` and `test`.`t1i`.`a2` = `<subquery2>`.`max(b2)`)))) Note 1003 /* select#1 */ select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (/* select#2 */ select `test`.`t2i`.`b1`,max(`test`.`t2i`.`b2`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery2>`.`b1` and `test`.`t1i`.`a2` = `<subquery2>`.`max(b2)`))))
select * from t1i where (a1, a2) in (select b1, max(b2) from t2i where b1 > '0' group by b1); select * from t1i where (a1, a2) in (select b1, max(b2) from t2i where b1 > '0' group by b1);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -138,7 +138,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1i index NULL # # # 3 100.00 # 1 PRIMARY t1i index NULL # # # 3 100.00 #
2 MATERIALIZED t2i range it2i1,it2i3 # # # 3 100.00 # 2 MATERIALIZED t2i range it2i1,it2i3 # # # 3 100.00 #
Warnings: Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery2>`.`b1` and `test`.`t1i`.`a2` = `<subquery2>`.`min(b2)`)))) Note 1003 /* select#1 */ select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (/* select#2 */ select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery2>`.`b1` and `test`.`t1i`.`a2` = `<subquery2>`.`min(b2)`))))
select * from t1i where (a1, a2) in (select b1, min(b2) from t2i where b1 > '0' group by b1); select * from t1i where (a1, a2) in (select b1, min(b2) from t2i where b1 > '0' group by b1);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -149,7 +149,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2i range NULL it2i3 9 NULL 3 100.00 Using index for group-by 2 MATERIALIZED t2i range NULL it2i3 9 NULL 3 100.00 Using index for group-by
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,max(`test`.`t2i`.`b2`) from `test`.`t2i` group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`max(b2)`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (/* select#2 */ select `test`.`t2i`.`b1`,max(`test`.`t2i`.`b2`) from `test`.`t2i` group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`max(b2)`))))
select * from t1 where (a1, a2) in (select b1, max(b2) from t2i group by b1); select * from t1 where (a1, a2) in (select b1, max(b2) from t2i group by b1);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -178,7 +178,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2i range it2i1,it2i3 it2i3 18 NULL 3 100.00 Using where; Using index for group-by 2 MATERIALIZED t2i range it2i1,it2i3 it2i3 18 NULL 3 100.00 Using where; Using index for group-by
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`min(b2)`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (/* select#2 */ select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`min(b2)`))))
select * from t1 where (a1, a2) in (select b1, min(b2) from t2i where b1 > '0' group by b1); select * from t1 where (a1, a2) in (select b1, min(b2) from t2i where b1 > '0' group by b1);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -225,7 +225,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` order by `test`.`t2`.`b1`,`test`.`t2`.`b2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`b2`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (/* select#2 */ select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` order by `test`.`t2`.`b1`,`test`.`t2`.`b2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`b2`))))
select * from t1 where (a1, a2) in (select b1, b2 from t2 order by b1, b2); select * from t1 where (a1, a2) in (select b1, b2 from t2 order by b1, b2);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -236,7 +236,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1i index NULL it1i3 18 NULL 3 100.00 Using where; Using index 1 PRIMARY t1i index NULL it1i3 18 NULL 3 100.00 Using where; Using index
2 MATERIALIZED t2i index NULL it2i3 18 NULL 5 100.00 Using index 2 MATERIALIZED t2i index NULL it2i3 18 NULL 5 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` order by `test`.`t2i`.`b1`,`test`.`t2i`.`b2` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery2>`.`b1` and `test`.`t1i`.`a2` = `<subquery2>`.`b2`)))) Note 1003 /* select#1 */ select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (/* select#2 */ select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` order by `test`.`t2i`.`b1`,`test`.`t2i`.`b2` ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery2>`.`b1` and `test`.`t1i`.`a2` = `<subquery2>`.`b2`))))
select * from t1i where (a1, a2) in (select b1, b2 from t2i order by b1, b2); select * from t1i where (a1, a2) in (select b1, b2 from t2i order by b1, b2);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -291,7 +291,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
4 MATERIALIZED t2i index it2i2 it2i3 18 NULL 5 100.00 Using where; Using index 4 MATERIALIZED t2i index it2i2 it2i3 18 NULL 5 100.00 Using where; Using index
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where `test`.`t2`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`b2`)))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where `test`.`t3`.`c1` = `<subquery4>`.`b1` and `test`.`t3`.`c2` = `<subquery4>`.`b2`)))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery3>`.`c1` and `test`.`t1`.`a2` = `<subquery3>`.`c2`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (/* select#2 */ select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where `test`.`t2`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`b2`)))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (/* select#3 */ select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (/* select#4 */ select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where `test`.`t3`.`c1` = `<subquery4>`.`b1` and `test`.`t3`.`c2` = `<subquery4>`.`b2`)))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery3>`.`c1` and `test`.`t1`.`a2` = `<subquery3>`.`c2`))))
select * from t1 select * from t1
where (a1, a2) in (select b1, b2 from t2 where b1 > '0') and where (a1, a2) in (select b1, b2 from t2 where b1 > '0') and
(a1, a2) in (select c1, c2 from t3 (a1, a2) in (select c1, c2 from t3
@@ -310,7 +310,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
4 MATERIALIZED t2i index it2i2 # # # 5 100.00 # 4 MATERIALIZED t2i index it2i2 # # # 5 100.00 #
2 MATERIALIZED t2i index it2i1,it2i3 # # # 5 100.00 # 2 MATERIALIZED t2i index it2i1,it2i3 # # # 5 100.00 #
Warnings: Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery2>`.`b1` and `test`.`t1i`.`a2` = `<subquery2>`.`b2`)))) and <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t3i`.`c1`,`test`.`t3i`.`c2` from `test`.`t3i` where <expr_cache><`test`.`t3i`.`c1`,`test`.`t3i`.`c2`>(<in_optimizer>((`test`.`t3i`.`c1`,`test`.`t3i`.`c2`),(`test`.`t3i`.`c1`,`test`.`t3i`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3i`.`c1` in <temporary table> on distinct_key where `test`.`t3i`.`c1` = `<subquery4>`.`b1` and `test`.`t3i`.`c2` = `<subquery4>`.`b2`)))) ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery3>`.`c1` and `test`.`t1i`.`a2` = `<subquery3>`.`c2`)))) Note 1003 /* select#1 */ select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (/* select#2 */ select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery2>`.`b1` and `test`.`t1i`.`a2` = `<subquery2>`.`b2`)))) and <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (/* select#3 */ select `test`.`t3i`.`c1`,`test`.`t3i`.`c2` from `test`.`t3i` where <expr_cache><`test`.`t3i`.`c1`,`test`.`t3i`.`c2`>(<in_optimizer>((`test`.`t3i`.`c1`,`test`.`t3i`.`c2`),(`test`.`t3i`.`c1`,`test`.`t3i`.`c2`) in ( <materialize> (/* select#4 */ select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3i`.`c1` in <temporary table> on distinct_key where `test`.`t3i`.`c1` = `<subquery4>`.`b1` and `test`.`t3i`.`c2` = `<subquery4>`.`b2`)))) ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery3>`.`c1` and `test`.`t1i`.`a2` = `<subquery3>`.`c2`))))
select * from t1i select * from t1i
where (a1, a2) in (select b1, b2 from t2i where b1 > '0') and where (a1, a2) in (select b1, b2 from t2i where b1 > '0') and
(a1, a2) in (select c1, c2 from t3i (a1, a2) in (select c1, c2 from t3i
@@ -333,7 +333,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
4 MATERIALIZED t3 ALL NULL NULL NULL NULL 4 100.00 Using where 4 MATERIALIZED t3 ALL NULL NULL NULL NULL 4 100.00 Using where
3 MATERIALIZED t3 ALL NULL NULL NULL NULL 4 100.00 Using where 3 MATERIALIZED t3 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%02' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery3>`.`c2`)))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`)))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`b2`)))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where `test`.`t3`.`c1` = `<subquery6>`.`b1` and `test`.`t3`.`c2` = `<subquery6>`.`b2`)))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery5>`.`c1` and `test`.`t1`.`a2` = `<subquery5>`.`c2`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (/* select#2 */ select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (/* select#3 */ select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%02' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery3>`.`c2`)))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (/* select#4 */ select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`)))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`b2`)))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (/* select#5 */ select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (/* select#6 */ select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where `test`.`t3`.`c1` = `<subquery6>`.`b1` and `test`.`t3`.`c2` = `<subquery6>`.`b2`)))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery5>`.`c1` and `test`.`t1`.`a2` = `<subquery5>`.`c2`))))
select * from t1 select * from t1
where (a1, a2) in (select b1, b2 from t2 where (a1, a2) in (select b1, b2 from t2
where b2 in (select c2 from t3 where c2 LIKE '%02') or where b2 in (select c2 from t3 where c2 LIKE '%02') or
@@ -358,7 +358,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3a ALL NULL NULL NULL NULL 4 100.00 Using where 3 DEPENDENT SUBQUERY t3a ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a1' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a1' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where `test`.`t3a`.`c1` = `test`.`t1`.`a1` and <cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where `test`.`t3b`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`))))) and <cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1` and <cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3c`.`c1`,`test`.`t3c`.`c2` from `test`.`t3` `t3c` where <expr_cache><`test`.`t3c`.`c1`,`test`.`t3c`.`c2`>(<in_optimizer>((`test`.`t3c`.`c1`,`test`.`t3c`.`c2`),(`test`.`t3c`.`c1`,`test`.`t3c`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3c`.`c1` in <temporary table> on distinct_key where `test`.`t3c`.`c1` = `<subquery6>`.`b1` and `test`.`t3c`.`c2` = `<subquery6>`.`b2`)))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery5>`.`c1` and `test`.`t1`.`a2` = `<subquery5>`.`c2`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(/* select#2 */ select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(/* select#3 */ select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where `test`.`t3a`.`c1` = `test`.`t1`.`a1` and <cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (/* select#4 */ select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where `test`.`t3b`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`))))) and <cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1` and <cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (/* select#5 */ select `test`.`t3c`.`c1`,`test`.`t3c`.`c2` from `test`.`t3` `t3c` where <expr_cache><`test`.`t3c`.`c1`,`test`.`t3c`.`c2`>(<in_optimizer>((`test`.`t3c`.`c1`,`test`.`t3c`.`c2`),(`test`.`t3c`.`c1`,`test`.`t3c`.`c2`) in ( <materialize> (/* select#6 */ select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3c`.`c1` in <temporary table> on distinct_key where `test`.`t3c`.`c1` = `<subquery6>`.`b1` and `test`.`t3c`.`c2` = `<subquery6>`.`b2`)))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery5>`.`c1` and `test`.`t1`.`a2` = `<subquery5>`.`c2`))))
select * from t1 select * from t1
where (a1, a2) in (select b1, b2 from t2 where (a1, a2) in (select b1, b2 from t2
where b2 in (select c2 from t3 t3a where c1 = a1) or where b2 in (select c2 from t3 t3a where c1 = a1) or
@@ -394,7 +394,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
8 MATERIALIZED t2i index it2i1,it2i3 # # # 5 100.00 # 8 MATERIALIZED t2i index it2i1,it2i3 # # # 5 100.00 #
NULL UNION RESULT <union1,7> ALL NULL # # # NULL NULL # NULL UNION RESULT <union1,7> ALL NULL # # # NULL NULL #
Warnings: Warnings:
Note 1003 (select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%02' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery3>`.`c2`)))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`)))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`b2`)))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where `test`.`t3`.`c1` = `<subquery6>`.`b1` and `test`.`t3`.`c2` = `<subquery6>`.`b2`)))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery5>`.`c1` and `test`.`t1`.`a2` = `<subquery5>`.`c2`))))) union (select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery8>`.`b1` and `test`.`t1i`.`a2` = `<subquery8>`.`b2`)))) and <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (select `test`.`t3i`.`c1`,`test`.`t3i`.`c2` from `test`.`t3i` where <expr_cache><`test`.`t3i`.`c1`,`test`.`t3i`.`c2`>(<in_optimizer>((`test`.`t3i`.`c1`,`test`.`t3i`.`c2`),(`test`.`t3i`.`c1`,`test`.`t3i`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3i`.`c1` in <temporary table> on distinct_key where `test`.`t3i`.`c1` = `<subquery10>`.`b1` and `test`.`t3i`.`c2` = `<subquery10>`.`b2`)))) ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery9>`.`c1` and `test`.`t1i`.`a2` = `<subquery9>`.`c2`))))) Note 1003 (/* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (/* select#2 */ select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (/* select#3 */ select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%02' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery3>`.`c2`)))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (/* select#4 */ select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`)))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery2>`.`b1` and `test`.`t1`.`a2` = `<subquery2>`.`b2`)))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (/* select#5 */ select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (/* select#6 */ select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where `test`.`t3`.`c1` = `<subquery6>`.`b1` and `test`.`t3`.`c2` = `<subquery6>`.`b2`)))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery5>`.`c1` and `test`.`t1`.`a2` = `<subquery5>`.`c2`))))) union (/* select#7 */ select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` where <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (/* select#8 */ select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery8>`.`b1` and `test`.`t1i`.`a2` = `<subquery8>`.`b2`)))) and <expr_cache><`test`.`t1i`.`a1`,`test`.`t1i`.`a2`>(<in_optimizer>((`test`.`t1i`.`a1`,`test`.`t1i`.`a2`),(`test`.`t1i`.`a1`,`test`.`t1i`.`a2`) in ( <materialize> (/* select#9 */ select `test`.`t3i`.`c1`,`test`.`t3i`.`c2` from `test`.`t3i` where <expr_cache><`test`.`t3i`.`c1`,`test`.`t3i`.`c2`>(<in_optimizer>((`test`.`t3i`.`c1`,`test`.`t3i`.`c2`),(`test`.`t3i`.`c1`,`test`.`t3i`.`c2`) in ( <materialize> (/* select#10 */ select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3i`.`c1` in <temporary table> on distinct_key where `test`.`t3i`.`c1` = `<subquery10>`.`b1` and `test`.`t3i`.`c2` = `<subquery10>`.`b2`)))) ), <primary_index_lookup>(`test`.`t1i`.`a1` in <temporary table> on distinct_key where `test`.`t1i`.`a1` = `<subquery9>`.`c1` and `test`.`t1i`.`a2` = `<subquery9>`.`c2`)))))
(select * from t1 (select * from t1
where (a1, a2) in (select b1, b2 from t2 where (a1, a2) in (select b1, b2 from t2
where b2 in (select c2 from t3 where c2 LIKE '%02') or where b2 in (select c2 from t3 where c2 LIKE '%02') or
@@ -423,7 +423,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where 3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where `test`.`t1`.`a1` > '0' and <cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1` and <cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2` union select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where `test`.`t2`.`b1` < '9' and <cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1` and <cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where `test`.`t3`.`c1` = `<subquery5>`.`b1` and `test`.`t3`.`c2` = `<subquery5>`.`b2`)))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery4>`.`c1` and `test`.`t1`.`a2` = `<subquery4>`.`c2`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(/* select#2 */ select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where `test`.`t1`.`a1` > '0' and <cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1` and <cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2` union /* select#3 */ select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where `test`.`t2`.`b1` < '9' and <cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1` and <cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),(`test`.`t1`.`a1`,`test`.`t1`.`a2`) in ( <materialize> (/* select#4 */ select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (/* select#5 */ select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where `test`.`t3`.`c1` = `<subquery5>`.`b1` and `test`.`t3`.`c2` = `<subquery5>`.`b2`)))) ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery4>`.`c1` and `test`.`t1`.`a2` = `<subquery4>`.`c2`))))
select * from t1 select * from t1
where (a1, a2) in (select * from t1 where a1 > '0' UNION select * from t2 where b1 < '9') and where (a1, a2) in (select * from t1 where a1 > '0' UNION select * from t2 where b1 < '9') and
(a1, a2) in (select c1, c2 from t3 (a1, a2) in (select c1, c2 from t3
@@ -446,7 +446,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where 3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t1` join `test`.`t3` where `test`.`t3`.`c1` = `test`.`t1`.`a1` and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where `test`.`t1`.`a1` > '0' and <cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1` and <cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2` union select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where `test`.`t2`.`b1` < '9' and <cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1` and <cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))) and <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where `test`.`t3`.`c1` = `<subquery5>`.`b1` and `test`.`t3`.`c2` = `<subquery5>`.`b2`)))) ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where `test`.`t3`.`c1` = `<subquery4>`.`c1` and `test`.`t3`.`c2` = `<subquery4>`.`c2`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t1` join `test`.`t3` where `test`.`t3`.`c1` = `test`.`t1`.`a1` and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(/* select#2 */ select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where `test`.`t1`.`a1` > '0' and <cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1` and <cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2` union /* select#3 */ select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where `test`.`t2`.`b1` < '9' and <cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1` and <cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))) and <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (/* select#4 */ select `test`.`t3`.`c1`,`test`.`t3`.`c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`,`test`.`t3`.`c2`>(<in_optimizer>((`test`.`t3`.`c1`,`test`.`t3`.`c2`),(`test`.`t3`.`c1`,`test`.`t3`.`c2`) in ( <materialize> (/* select#5 */ select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` where `test`.`t2i`.`b2` > '0' ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where `test`.`t3`.`c1` = `<subquery5>`.`b1` and `test`.`t3`.`c2` = `<subquery5>`.`b2`)))) ), <primary_index_lookup>(`test`.`t3`.`c1` in <temporary table> on distinct_key where `test`.`t3`.`c1` = `<subquery4>`.`c1` and `test`.`t3`.`c2` = `<subquery4>`.`c2`))))
select * from t1, t3 select * from t1, t3
where (a1, a2) in (select * from t1 where a1 > '0' UNION select * from t2 where b1 < '9') and where (a1, a2) in (select * from t1 where a1 > '0' UNION select * from t2 where b1 < '9') and
(c1, c2) in (select c1, c2 from t3 (c1, c2) in (select c1, c2 from t3
@@ -468,7 +468,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where 3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select `test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`>(<in_optimizer>(`test`.`t3`.`c1`,<exists>(select `test`.`t1`.`a1` from `test`.`t1` where `test`.`t1`.`a1` > '0' and <cache>(`test`.`t3`.`c1`) = `test`.`t1`.`a1` union select `test`.`t2`.`b1` from `test`.`t2` where `test`.`t2`.`b1` < '9' and <cache>(`test`.`t3`.`c1`) = `test`.`t2`.`b1`))) Note 1003 /* select#1 */ select `test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`>(<in_optimizer>(`test`.`t3`.`c1`,<exists>(/* select#2 */ select `test`.`t1`.`a1` from `test`.`t1` where `test`.`t1`.`a1` > '0' and <cache>(`test`.`t3`.`c1`) = `test`.`t1`.`a1` union /* select#3 */ select `test`.`t2`.`b1` from `test`.`t2` where `test`.`t2`.`b1` < '9' and <cache>(`test`.`t3`.`c1`) = `test`.`t2`.`b1`)))
select * from t3 select * from t3
where c1 in (select a1 from t1 where a1 > '0' UNION select b1 from t2 where b1 < '9'); where c1 in (select a1 from t1 where a1 > '0' UNION select b1 from t2 where b1 < '9');
c1 c2 c1 c2
@@ -492,14 +492,14 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a1' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a1' of SELECT #3 was resolved in SELECT #1
Note 1276 Field or reference 'test.t1.a2' of SELECT #6 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a2' of SELECT #6 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where `test`.`t3a`.`c1` = `test`.`t1`.`a1` and <cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where `test`.`t3b`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`))))) and <cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1` and <cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t3c`.`c1`,`test`.`t3c`.`c2` from `test`.`t3` `t3c` where <expr_cache><`test`.`t3c`.`c1`,`test`.`t3c`.`c2`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t3c`.`c1`,`test`.`t3c`.`c2`),<exists>(<index_lookup>(<cache>(`test`.`t3c`.`c1`) in t2i on it2i3 where (`test`.`t2i`.`b2` > '0' or `test`.`t2i`.`b2` = `test`.`t1`.`a2`) and <cache>(`test`.`t3c`.`c1`) = `test`.`t2i`.`b1` and <cache>(`test`.`t3c`.`c2`) = `test`.`t2i`.`b2`)))) and <cache>(`test`.`t1`.`a1`) = `test`.`t3c`.`c1` and <cache>(`test`.`t1`.`a2`) = `test`.`t3c`.`c2`))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(/* select#2 */ select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where (<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(/* select#3 */ select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where `test`.`t3a`.`c1` = `test`.`t1`.`a1` and <cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (/* select#4 */ select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where `test`.`t3b`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`))))) and <cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1` and <cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))) and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(/* select#5 */ select `test`.`t3c`.`c1`,`test`.`t3c`.`c2` from `test`.`t3` `t3c` where <expr_cache><`test`.`t3c`.`c1`,`test`.`t3c`.`c2`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t3c`.`c1`,`test`.`t3c`.`c2`),<exists>(<index_lookup>(<cache>(`test`.`t3c`.`c1`) in t2i on it2i3 where (`test`.`t2i`.`b2` > '0' or `test`.`t2i`.`b2` = `test`.`t1`.`a2`) and <cache>(`test`.`t3c`.`c1`) = `test`.`t2i`.`b1` and <cache>(`test`.`t3c`.`c2`) = `test`.`t2i`.`b2`)))) and <cache>(`test`.`t1`.`a1`) = `test`.`t3c`.`c1` and <cache>(`test`.`t1`.`a2`) = `test`.`t3c`.`c2`)))
explain extended explain extended
select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01'); select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01');
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select '1 - 01','2 - 01' having (<cache>(`test`.`t1`.`a1`) = '1 - 01' or '1 - 01' is null) and (<cache>(`test`.`t1`.`a2`) = '2 - 01' or '2 - 01' is null) and '1 - 01' is null and '2 - 01' is null))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(/* select#2 */ select '1 - 01','2 - 01' having (<cache>(`test`.`t1`.`a1`) = '1 - 01' or '1 - 01' is null) and (<cache>(`test`.`t1`.`a2`) = '2 - 01' or '2 - 01' is null) and '1 - 01' is null and '2 - 01' is null)))
select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01'); select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01');
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -509,7 +509,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select '1 - 01','2 - 01' having (<cache>(`test`.`t1`.`a1`) = '1 - 01' or '1 - 01' is null) and (<cache>(`test`.`t1`.`a2`) = '2 - 01' or '2 - 01' is null) and '1 - 01' is null and '2 - 01' is null))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(/* select#2 */ select '1 - 01','2 - 01' having (<cache>(`test`.`t1`.`a1`) = '1 - 01' or '1 - 01' is null) and (<cache>(`test`.`t1`.`a2`) = '2 - 01' or '2 - 01' is null) and '1 - 01' is null and '2 - 01' is null)))
select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01' from dual); select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01' from dual);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -531,7 +531,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY columns index NULL PRIMARY 4 NULL 2 100.00 Using index 2 SUBQUERY columns index NULL PRIMARY 4 NULL 2 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` group by (select `test`.`columns`.`col` from `test`.`columns` limit 1) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` group by (/* select#2 */ select `test`.`columns`.`col` from `test`.`columns` limit 1)
select * from t1 group by (select col from columns limit 1); select * from t1 group by (select col from columns limit 1);
a1 a2 a1 a2
1 - 00 2 - 00 1 - 00 2 - 00
@@ -541,7 +541,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using temporary; Using filesort 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using temporary; Using filesort
2 DEPENDENT SUBQUERY columns unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index; Using where; Full scan on NULL key 2 DEPENDENT SUBQUERY columns unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index; Using where; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` group by <expr_cache><`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t1`.`a1`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`a1`) in columns on PRIMARY where trigcond(<cache>(`test`.`t1`.`a1`) = `test`.`columns`.`col`))))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` group by <expr_cache><`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t1`.`a1`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`a1`) in columns on PRIMARY where trigcond(<cache>(`test`.`t1`.`a1`) = `test`.`columns`.`col`)))))
select * from t1 group by (a1 in (select col from columns)); select * from t1 group by (a1 in (select col from columns));
a1 a2 a1 a2
1 - 00 2 - 00 1 - 00 2 - 00
@@ -556,7 +556,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY columns index NULL PRIMARY 4 NULL 2 100.00 Using index 2 SUBQUERY columns index NULL PRIMARY 4 NULL 2 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` order by (select `test`.`columns`.`col` from `test`.`columns` limit 1) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` order by (/* select#2 */ select `test`.`columns`.`col` from `test`.`columns` limit 1)
select * from t1 order by (select col from columns limit 1); select * from t1 order by (select col from columns limit 1);
a1 a2 a1 a2
1 - 00 2 - 00 1 - 00 2 - 00
@@ -602,7 +602,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_16 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t2_16 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1003 select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a1`>(<in_optimizer>(`test`.`t1_16`.`a1`,<exists>(select `test`.`t2_16`.`b1` from `test`.`t2_16` where `test`.`t2_16`.`b1` > '0' and <cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1`))) Note 1003 /* select#1 */ select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a1`>(<in_optimizer>(`test`.`t1_16`.`a1`,<exists>(/* select#2 */ select `test`.`t2_16`.`b1` from `test`.`t2_16` where `test`.`t2_16`.`b1` > '0' and <cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1`)))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_16 from t1_16
where a1 in (select b1 from t2_16 where b1 > '0'); where a1 in (select b1 from t2_16 where b1 > '0');
@@ -616,7 +616,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_16 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t2_16 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1003 select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`>(<in_optimizer>((`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`),<exists>(select `test`.`t2_16`.`b1`,`test`.`t2_16`.`b2` from `test`.`t2_16` where `test`.`t2_16`.`b1` > '0' and <cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1` and <cache>(`test`.`t1_16`.`a2`) = `test`.`t2_16`.`b2`))) Note 1003 /* select#1 */ select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`>(<in_optimizer>((`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`),<exists>(/* select#2 */ select `test`.`t2_16`.`b1`,`test`.`t2_16`.`b2` from `test`.`t2_16` where `test`.`t2_16`.`b1` > '0' and <cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1` and <cache>(`test`.`t1_16`.`a2`) = `test`.`t2_16`.`b2`)))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_16 from t1_16
where (a1,a2) in (select b1, b2 from t2_16 where b1 > '0'); where (a1,a2) in (select b1, b2 from t2_16 where b1 > '0');
@@ -630,7 +630,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2_16 ALL NULL NULL NULL NULL 3 100.00 Using where 2 MATERIALIZED t2_16 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1003 select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a1`>(<in_optimizer>(`test`.`t1_16`.`a1`,`test`.`t1_16`.`a1` in ( <materialize> (select substr(`test`.`t2_16`.`b1`,1,16) from `test`.`t2_16` where `test`.`t2_16`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1_16`.`a1` in <temporary table> on distinct_key where `test`.`t1_16`.`a1` = `<subquery2>`.`substring(b1,1,16)`)))) Note 1003 /* select#1 */ select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a1`>(<in_optimizer>(`test`.`t1_16`.`a1`,`test`.`t1_16`.`a1` in ( <materialize> (/* select#2 */ select substr(`test`.`t2_16`.`b1`,1,16) from `test`.`t2_16` where `test`.`t2_16`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1_16`.`a1` in <temporary table> on distinct_key where `test`.`t1_16`.`a1` = `<subquery2>`.`substring(b1,1,16)`))))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_16 from t1_16
where a1 in (select substring(b1,1,16) from t2_16 where b1 > '0'); where a1 in (select substring(b1,1,16) from t2_16 where b1 > '0');
@@ -644,7 +644,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_16 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 DEPENDENT SUBQUERY t2_16 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a1`>(<in_optimizer>(`test`.`t1_16`.`a1`,<exists>(select group_concat(`test`.`t2_16`.`b1` separator ',') from `test`.`t2_16` group by `test`.`t2_16`.`b2` having <cache>(`test`.`t1_16`.`a1`) = <ref_null_helper>(group_concat(`test`.`t2_16`.`b1` separator ','))))) Note 1003 /* select#1 */ select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a1`>(<in_optimizer>(`test`.`t1_16`.`a1`,<exists>(/* select#2 */ select group_concat(`test`.`t2_16`.`b1` separator ',') from `test`.`t2_16` group by `test`.`t2_16`.`b2` having <cache>(`test`.`t1_16`.`a1`) = <ref_null_helper>(group_concat(`test`.`t2_16`.`b1` separator ',')))))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_16 from t1_16
where a1 in (select group_concat(b1) from t2_16 group by b2); where a1 in (select group_concat(b1) from t2_16 group by b2);
@@ -659,7 +659,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2_16 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 MATERIALIZED t2_16 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a1`>(<in_optimizer>(`test`.`t1_16`.`a1`,`test`.`t1_16`.`a1` in ( <materialize> (select group_concat(`test`.`t2_16`.`b1` separator ',') from `test`.`t2_16` group by `test`.`t2_16`.`b2` ), <primary_index_lookup>(`test`.`t1_16`.`a1` in <temporary table> on distinct_key where `test`.`t1_16`.`a1` = `<subquery2>`.`group_concat(b1)`)))) Note 1003 /* select#1 */ select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a1`>(<in_optimizer>(`test`.`t1_16`.`a1`,`test`.`t1_16`.`a1` in ( <materialize> (/* select#2 */ select group_concat(`test`.`t2_16`.`b1` separator ',') from `test`.`t2_16` group by `test`.`t2_16`.`b2` ), <primary_index_lookup>(`test`.`t1_16`.`a1` in <temporary table> on distinct_key where `test`.`t1_16`.`a1` = `<subquery2>`.`group_concat(b1)`))))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_16 from t1_16
where a1 in (select group_concat(b1) from t2_16 group by b2); where a1 in (select group_concat(b1) from t2_16 group by b2);
@@ -681,7 +681,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer (flat, BNL join) 3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 5 100.00 Using where; Using join buffer (flat, BNL join)
4 MATERIALIZED t3 ALL NULL NULL NULL NULL 4 100.00 Using where 4 MATERIALIZED t3 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><concat(`test`.`t1`.`a1`,'x')>(<in_optimizer>(concat(`test`.`t1`.`a1`,'x'),<exists>(select left(`test`.`t1_16`.`a1`,8) from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`>(<in_optimizer>((`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`),<exists>(select `test`.`t2_16`.`b1`,`test`.`t2_16`.`b2` from `test`.`t2_16` join `test`.`t2` where `test`.`t2`.`b2` = substr(`test`.`t2_16`.`b2`,1,6) and <expr_cache><`test`.`t2`.`b1`>(<in_optimizer>(`test`.`t2`.`b1`,`test`.`t2`.`b1` in ( <materialize> (select `test`.`t3`.`c1` from `test`.`t3` where `test`.`t3`.`c2` > '0' ), <primary_index_lookup>(`test`.`t2`.`b1` in <temporary table> on distinct_key where `test`.`t2`.`b1` = `<subquery4>`.`c1`)))) and <cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1` and <cache>(`test`.`t1_16`.`a2`) = `test`.`t2_16`.`b2`))) and <cache>(concat(`test`.`t1`.`a1`,'x')) = left(`test`.`t1_16`.`a1`,8)))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><concat(`test`.`t1`.`a1`,'x')>(<in_optimizer>(concat(`test`.`t1`.`a1`,'x'),<exists>(/* select#2 */ select left(`test`.`t1_16`.`a1`,8) from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`>(<in_optimizer>((`test`.`t1_16`.`a1`,`test`.`t1_16`.`a2`),<exists>(/* select#3 */ select `test`.`t2_16`.`b1`,`test`.`t2_16`.`b2` from `test`.`t2_16` join `test`.`t2` where `test`.`t2`.`b2` = substr(`test`.`t2_16`.`b2`,1,6) and <expr_cache><`test`.`t2`.`b1`>(<in_optimizer>(`test`.`t2`.`b1`,`test`.`t2`.`b1` in ( <materialize> (/* select#4 */ select `test`.`t3`.`c1` from `test`.`t3` where `test`.`t3`.`c2` > '0' ), <primary_index_lookup>(`test`.`t2`.`b1` in <temporary table> on distinct_key where `test`.`t2`.`b1` = `<subquery4>`.`c1`)))) and <cache>(`test`.`t1_16`.`a1`) = `test`.`t2_16`.`b1` and <cache>(`test`.`t1_16`.`a2`) = `test`.`t2_16`.`b2`))) and <cache>(concat(`test`.`t1`.`a1`,'x')) = left(`test`.`t1_16`.`a1`,8))))
drop table t1_16, t2_16, t3_16; drop table t1_16, t2_16, t3_16;
set @blob_len = 512; set @blob_len = 512;
set @suffix_len = @blob_len - @prefix_len; set @suffix_len = @blob_len - @prefix_len;
@@ -715,7 +715,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_512 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_512 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_512 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t2_512 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1003 select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <expr_cache><`test`.`t1_512`.`a1`>(<in_optimizer>(`test`.`t1_512`.`a1`,<exists>(select `test`.`t2_512`.`b1` from `test`.`t2_512` where `test`.`t2_512`.`b1` > '0' and <cache>(`test`.`t1_512`.`a1`) = `test`.`t2_512`.`b1`))) Note 1003 /* select#1 */ select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <expr_cache><`test`.`t1_512`.`a1`>(<in_optimizer>(`test`.`t1_512`.`a1`,<exists>(/* select#2 */ select `test`.`t2_512`.`b1` from `test`.`t2_512` where `test`.`t2_512`.`b1` > '0' and <cache>(`test`.`t1_512`.`a1`) = `test`.`t2_512`.`b1`)))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_512 from t1_512
where a1 in (select b1 from t2_512 where b1 > '0'); where a1 in (select b1 from t2_512 where b1 > '0');
@@ -729,7 +729,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_512 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_512 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_512 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t2_512 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1003 select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <expr_cache><`test`.`t1_512`.`a1`,`test`.`t1_512`.`a2`>(<in_optimizer>((`test`.`t1_512`.`a1`,`test`.`t1_512`.`a2`),<exists>(select `test`.`t2_512`.`b1`,`test`.`t2_512`.`b2` from `test`.`t2_512` where `test`.`t2_512`.`b1` > '0' and <cache>(`test`.`t1_512`.`a1`) = `test`.`t2_512`.`b1` and <cache>(`test`.`t1_512`.`a2`) = `test`.`t2_512`.`b2`))) Note 1003 /* select#1 */ select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <expr_cache><`test`.`t1_512`.`a1`,`test`.`t1_512`.`a2`>(<in_optimizer>((`test`.`t1_512`.`a1`,`test`.`t1_512`.`a2`),<exists>(/* select#2 */ select `test`.`t2_512`.`b1`,`test`.`t2_512`.`b2` from `test`.`t2_512` where `test`.`t2_512`.`b1` > '0' and <cache>(`test`.`t1_512`.`a1`) = `test`.`t2_512`.`b1` and <cache>(`test`.`t1_512`.`a2`) = `test`.`t2_512`.`b2`)))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_512 from t1_512
where (a1,a2) in (select b1, b2 from t2_512 where b1 > '0'); where (a1,a2) in (select b1, b2 from t2_512 where b1 > '0');
@@ -743,7 +743,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_512 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_512 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2_512 ALL NULL NULL NULL NULL 3 100.00 Using where 2 MATERIALIZED t2_512 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1003 select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <expr_cache><`test`.`t1_512`.`a1`>(<in_optimizer>(`test`.`t1_512`.`a1`,`test`.`t1_512`.`a1` in ( <materialize> (select substr(`test`.`t2_512`.`b1`,1,512) from `test`.`t2_512` where `test`.`t2_512`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1_512`.`a1` in <temporary table> on distinct_key where `test`.`t1_512`.`a1` = `<subquery2>`.`substring(b1,1,512)`)))) Note 1003 /* select#1 */ select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <expr_cache><`test`.`t1_512`.`a1`>(<in_optimizer>(`test`.`t1_512`.`a1`,`test`.`t1_512`.`a1` in ( <materialize> (/* select#2 */ select substr(`test`.`t2_512`.`b1`,1,512) from `test`.`t2_512` where `test`.`t2_512`.`b1` > '0' ), <primary_index_lookup>(`test`.`t1_512`.`a1` in <temporary table> on distinct_key where `test`.`t1_512`.`a1` = `<subquery2>`.`substring(b1,1,512)`))))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_512 from t1_512
where a1 in (select substring(b1,1,512) from t2_512 where b1 > '0'); where a1 in (select substring(b1,1,512) from t2_512 where b1 > '0');
@@ -757,7 +757,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_512 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_512 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2_512 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 MATERIALIZED t2_512 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <expr_cache><`test`.`t1_512`.`a1`>(<in_optimizer>(`test`.`t1_512`.`a1`,`test`.`t1_512`.`a1` in ( <materialize> (select group_concat(`test`.`t2_512`.`b1` separator ',') from `test`.`t2_512` group by `test`.`t2_512`.`b2` ), <primary_index_lookup>(`test`.`t1_512`.`a1` in <temporary table> on distinct_key where `test`.`t1_512`.`a1` = `<subquery2>`.`group_concat(b1)`)))) Note 1003 /* select#1 */ select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <expr_cache><`test`.`t1_512`.`a1`>(<in_optimizer>(`test`.`t1_512`.`a1`,`test`.`t1_512`.`a1` in ( <materialize> (/* select#2 */ select group_concat(`test`.`t2_512`.`b1` separator ',') from `test`.`t2_512` group by `test`.`t2_512`.`b2` ), <primary_index_lookup>(`test`.`t1_512`.`a1` in <temporary table> on distinct_key where `test`.`t1_512`.`a1` = `<subquery2>`.`group_concat(b1)`))))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_512 from t1_512
where a1 in (select group_concat(b1) from t2_512 group by b2); where a1 in (select group_concat(b1) from t2_512 group by b2);
@@ -774,7 +774,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_512 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_512 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2_512 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 MATERIALIZED t2_512 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <expr_cache><`test`.`t1_512`.`a1`>(<in_optimizer>(`test`.`t1_512`.`a1`,`test`.`t1_512`.`a1` in ( <materialize> (select group_concat(`test`.`t2_512`.`b1` separator ',') from `test`.`t2_512` group by `test`.`t2_512`.`b2` ), <primary_index_lookup>(`test`.`t1_512`.`a1` in <temporary table> on distinct_key where `test`.`t1_512`.`a1` = `<subquery2>`.`group_concat(b1)`)))) Note 1003 /* select#1 */ select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from `test`.`t1_512` where <expr_cache><`test`.`t1_512`.`a1`>(<in_optimizer>(`test`.`t1_512`.`a1`,`test`.`t1_512`.`a1` in ( <materialize> (/* select#2 */ select group_concat(`test`.`t2_512`.`b1` separator ',') from `test`.`t2_512` group by `test`.`t2_512`.`b2` ), <primary_index_lookup>(`test`.`t1_512`.`a1` in <temporary table> on distinct_key where `test`.`t1_512`.`a1` = `<subquery2>`.`group_concat(b1)`))))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_512 from t1_512
where a1 in (select group_concat(b1) from t2_512 group by b2); where a1 in (select group_concat(b1) from t2_512 group by b2);
@@ -816,7 +816,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_1024 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_1024 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1003 select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <expr_cache><`test`.`t1_1024`.`a1`>(<in_optimizer>(`test`.`t1_1024`.`a1`,<exists>(select `test`.`t2_1024`.`b1` from `test`.`t2_1024` where `test`.`t2_1024`.`b1` > '0' and <cache>(`test`.`t1_1024`.`a1`) = `test`.`t2_1024`.`b1`))) Note 1003 /* select#1 */ select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <expr_cache><`test`.`t1_1024`.`a1`>(<in_optimizer>(`test`.`t1_1024`.`a1`,<exists>(/* select#2 */ select `test`.`t2_1024`.`b1` from `test`.`t2_1024` where `test`.`t2_1024`.`b1` > '0' and <cache>(`test`.`t1_1024`.`a1`) = `test`.`t2_1024`.`b1`)))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_1024 from t1_1024
where a1 in (select b1 from t2_1024 where b1 > '0'); where a1 in (select b1 from t2_1024 where b1 > '0');
@@ -830,7 +830,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_1024 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_1024 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1003 select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <expr_cache><`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a2`>(<in_optimizer>((`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a2`),<exists>(select `test`.`t2_1024`.`b1`,`test`.`t2_1024`.`b2` from `test`.`t2_1024` where `test`.`t2_1024`.`b1` > '0' and <cache>(`test`.`t1_1024`.`a1`) = `test`.`t2_1024`.`b1` and <cache>(`test`.`t1_1024`.`a2`) = `test`.`t2_1024`.`b2`))) Note 1003 /* select#1 */ select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <expr_cache><`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a2`>(<in_optimizer>((`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a2`),<exists>(/* select#2 */ select `test`.`t2_1024`.`b1`,`test`.`t2_1024`.`b2` from `test`.`t2_1024` where `test`.`t2_1024`.`b1` > '0' and <cache>(`test`.`t1_1024`.`a1`) = `test`.`t2_1024`.`b1` and <cache>(`test`.`t1_1024`.`a2`) = `test`.`t2_1024`.`b2`)))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_1024 from t1_1024
where (a1,a2) in (select b1, b2 from t2_1024 where b1 > '0'); where (a1,a2) in (select b1, b2 from t2_1024 where b1 > '0');
@@ -844,7 +844,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_1024 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_1024 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1003 select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <expr_cache><`test`.`t1_1024`.`a1`>(<in_optimizer>(`test`.`t1_1024`.`a1`,<exists>(select substr(`test`.`t2_1024`.`b1`,1,1024) from `test`.`t2_1024` where `test`.`t2_1024`.`b1` > '0' and <cache>(`test`.`t1_1024`.`a1`) = substr(`test`.`t2_1024`.`b1`,1,1024)))) Note 1003 /* select#1 */ select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <expr_cache><`test`.`t1_1024`.`a1`>(<in_optimizer>(`test`.`t1_1024`.`a1`,<exists>(/* select#2 */ select substr(`test`.`t2_1024`.`b1`,1,1024) from `test`.`t2_1024` where `test`.`t2_1024`.`b1` > '0' and <cache>(`test`.`t1_1024`.`a1`) = substr(`test`.`t2_1024`.`b1`,1,1024))))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_1024 from t1_1024
where a1 in (select substring(b1,1,1024) from t2_1024 where b1 > '0'); where a1 in (select substring(b1,1,1024) from t2_1024 where b1 > '0');
@@ -858,7 +858,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_1024 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_1024 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 MATERIALIZED t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <expr_cache><`test`.`t1_1024`.`a1`>(<in_optimizer>(`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a1` in ( <materialize> (select group_concat(`test`.`t2_1024`.`b1` separator ',') from `test`.`t2_1024` group by `test`.`t2_1024`.`b2` ), <primary_index_lookup>(`test`.`t1_1024`.`a1` in <temporary table> on distinct_key where `test`.`t1_1024`.`a1` = `<subquery2>`.`group_concat(b1)`)))) Note 1003 /* select#1 */ select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <expr_cache><`test`.`t1_1024`.`a1`>(<in_optimizer>(`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a1` in ( <materialize> (/* select#2 */ select group_concat(`test`.`t2_1024`.`b1` separator ',') from `test`.`t2_1024` group by `test`.`t2_1024`.`b2` ), <primary_index_lookup>(`test`.`t1_1024`.`a1` in <temporary table> on distinct_key where `test`.`t1_1024`.`a1` = `<subquery2>`.`group_concat(b1)`))))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_1024 from t1_1024
where a1 in (select group_concat(b1) from t2_1024 group by b2); where a1 in (select group_concat(b1) from t2_1024 group by b2);
@@ -875,7 +875,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_1024 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_1024 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 MATERIALIZED t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <expr_cache><`test`.`t1_1024`.`a1`>(<in_optimizer>(`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a1` in ( <materialize> (select group_concat(`test`.`t2_1024`.`b1` separator ',') from `test`.`t2_1024` group by `test`.`t2_1024`.`b2` ), <primary_index_lookup>(`test`.`t1_1024`.`a1` in <temporary table> on distinct_key where `test`.`t1_1024`.`a1` = `<subquery2>`.`group_concat(b1)`)))) Note 1003 /* select#1 */ select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1024` where <expr_cache><`test`.`t1_1024`.`a1`>(<in_optimizer>(`test`.`t1_1024`.`a1`,`test`.`t1_1024`.`a1` in ( <materialize> (/* select#2 */ select group_concat(`test`.`t2_1024`.`b1` separator ',') from `test`.`t2_1024` group by `test`.`t2_1024`.`b2` ), <primary_index_lookup>(`test`.`t1_1024`.`a1` in <temporary table> on distinct_key where `test`.`t1_1024`.`a1` = `<subquery2>`.`group_concat(b1)`))))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_1024 from t1_1024
where a1 in (select group_concat(b1) from t2_1024 group by b2); where a1 in (select group_concat(b1) from t2_1024 group by b2);
@@ -917,7 +917,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_1025 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_1025 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1003 select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <expr_cache><`test`.`t1_1025`.`a1`>(<in_optimizer>(`test`.`t1_1025`.`a1`,<exists>(select `test`.`t2_1025`.`b1` from `test`.`t2_1025` where `test`.`t2_1025`.`b1` > '0' and <cache>(`test`.`t1_1025`.`a1`) = `test`.`t2_1025`.`b1`))) Note 1003 /* select#1 */ select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <expr_cache><`test`.`t1_1025`.`a1`>(<in_optimizer>(`test`.`t1_1025`.`a1`,<exists>(/* select#2 */ select `test`.`t2_1025`.`b1` from `test`.`t2_1025` where `test`.`t2_1025`.`b1` > '0' and <cache>(`test`.`t1_1025`.`a1`) = `test`.`t2_1025`.`b1`)))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_1025 from t1_1025
where a1 in (select b1 from t2_1025 where b1 > '0'); where a1 in (select b1 from t2_1025 where b1 > '0');
@@ -931,7 +931,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_1025 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_1025 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1003 select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <expr_cache><`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a2`>(<in_optimizer>((`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a2`),<exists>(select `test`.`t2_1025`.`b1`,`test`.`t2_1025`.`b2` from `test`.`t2_1025` where `test`.`t2_1025`.`b1` > '0' and <cache>(`test`.`t1_1025`.`a1`) = `test`.`t2_1025`.`b1` and <cache>(`test`.`t1_1025`.`a2`) = `test`.`t2_1025`.`b2`))) Note 1003 /* select#1 */ select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <expr_cache><`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a2`>(<in_optimizer>((`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a2`),<exists>(/* select#2 */ select `test`.`t2_1025`.`b1`,`test`.`t2_1025`.`b2` from `test`.`t2_1025` where `test`.`t2_1025`.`b1` > '0' and <cache>(`test`.`t1_1025`.`a1`) = `test`.`t2_1025`.`b1` and <cache>(`test`.`t1_1025`.`a2`) = `test`.`t2_1025`.`b2`)))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_1025 from t1_1025
where (a1,a2) in (select b1, b2 from t2_1025 where b1 > '0'); where (a1,a2) in (select b1, b2 from t2_1025 where b1 > '0');
@@ -945,7 +945,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_1025 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_1025 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1003 select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <expr_cache><`test`.`t1_1025`.`a1`>(<in_optimizer>(`test`.`t1_1025`.`a1`,<exists>(select substr(`test`.`t2_1025`.`b1`,1,1025) from `test`.`t2_1025` where `test`.`t2_1025`.`b1` > '0' and <cache>(`test`.`t1_1025`.`a1`) = substr(`test`.`t2_1025`.`b1`,1,1025)))) Note 1003 /* select#1 */ select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <expr_cache><`test`.`t1_1025`.`a1`>(<in_optimizer>(`test`.`t1_1025`.`a1`,<exists>(/* select#2 */ select substr(`test`.`t2_1025`.`b1`,1,1025) from `test`.`t2_1025` where `test`.`t2_1025`.`b1` > '0' and <cache>(`test`.`t1_1025`.`a1`) = substr(`test`.`t2_1025`.`b1`,1,1025))))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_1025 from t1_1025
where a1 in (select substring(b1,1,1025) from t2_1025 where b1 > '0'); where a1 in (select substring(b1,1,1025) from t2_1025 where b1 > '0');
@@ -959,7 +959,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_1025 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_1025 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 MATERIALIZED t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <expr_cache><`test`.`t1_1025`.`a1`>(<in_optimizer>(`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a1` in ( <materialize> (select group_concat(`test`.`t2_1025`.`b1` separator ',') from `test`.`t2_1025` group by `test`.`t2_1025`.`b2` ), <primary_index_lookup>(`test`.`t1_1025`.`a1` in <temporary table> on distinct_key where `test`.`t1_1025`.`a1` = `<subquery2>`.`group_concat(b1)`)))) Note 1003 /* select#1 */ select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <expr_cache><`test`.`t1_1025`.`a1`>(<in_optimizer>(`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a1` in ( <materialize> (/* select#2 */ select group_concat(`test`.`t2_1025`.`b1` separator ',') from `test`.`t2_1025` group by `test`.`t2_1025`.`b2` ), <primary_index_lookup>(`test`.`t1_1025`.`a1` in <temporary table> on distinct_key where `test`.`t1_1025`.`a1` = `<subquery2>`.`group_concat(b1)`))))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_1025 from t1_1025
where a1 in (select group_concat(b1) from t2_1025 group by b2); where a1 in (select group_concat(b1) from t2_1025 group by b2);
@@ -976,7 +976,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_1025 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_1025 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 MATERIALIZED t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <expr_cache><`test`.`t1_1025`.`a1`>(<in_optimizer>(`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a1` in ( <materialize> (select group_concat(`test`.`t2_1025`.`b1` separator ',') from `test`.`t2_1025` group by `test`.`t2_1025`.`b2` ), <primary_index_lookup>(`test`.`t1_1025`.`a1` in <temporary table> on distinct_key where `test`.`t1_1025`.`a1` = `<subquery2>`.`group_concat(b1)`)))) Note 1003 /* select#1 */ select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from `test`.`t1_1025` where <expr_cache><`test`.`t1_1025`.`a1`>(<in_optimizer>(`test`.`t1_1025`.`a1`,`test`.`t1_1025`.`a1` in ( <materialize> (/* select#2 */ select group_concat(`test`.`t2_1025`.`b1` separator ',') from `test`.`t2_1025` group by `test`.`t2_1025`.`b2` ), <primary_index_lookup>(`test`.`t1_1025`.`a1` in <temporary table> on distinct_key where `test`.`t1_1025`.`a1` = `<subquery2>`.`group_concat(b1)`))))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_1025 from t1_1025
where a1 in (select group_concat(b1) from t2_1025 group by b2); where a1 in (select group_concat(b1) from t2_1025 group by b2);
@@ -1001,7 +1001,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1bit ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1bit ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t2bit ALL NULL NULL NULL NULL 3 100.00 2 MATERIALIZED t2bit ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select conv(`test`.`t1bit`.`a1`,10,2) AS `bin(a1)`,conv(`test`.`t1bit`.`a2`,10,2) AS `bin(a2)` from `test`.`t1bit` where <expr_cache><`test`.`t1bit`.`a1`,`test`.`t1bit`.`a2`>(<in_optimizer>((`test`.`t1bit`.`a1`,`test`.`t1bit`.`a2`),(`test`.`t1bit`.`a1`,`test`.`t1bit`.`a2`) in ( <materialize> (select `test`.`t2bit`.`b1`,`test`.`t2bit`.`b2` from `test`.`t2bit` ), <primary_index_lookup>(`test`.`t1bit`.`a1` in <temporary table> on distinct_key where `test`.`t1bit`.`a1` = `<subquery2>`.`b1` and `test`.`t1bit`.`a2` = `<subquery2>`.`b2`)))) Note 1003 /* select#1 */ select conv(`test`.`t1bit`.`a1`,10,2) AS `bin(a1)`,conv(`test`.`t1bit`.`a2`,10,2) AS `bin(a2)` from `test`.`t1bit` where <expr_cache><`test`.`t1bit`.`a1`,`test`.`t1bit`.`a2`>(<in_optimizer>((`test`.`t1bit`.`a1`,`test`.`t1bit`.`a2`),(`test`.`t1bit`.`a1`,`test`.`t1bit`.`a2`) in ( <materialize> (/* select#2 */ select `test`.`t2bit`.`b1`,`test`.`t2bit`.`b2` from `test`.`t2bit` ), <primary_index_lookup>(`test`.`t1bit`.`a1` in <temporary table> on distinct_key where `test`.`t1bit`.`a1` = `<subquery2>`.`b1` and `test`.`t1bit`.`a2` = `<subquery2>`.`b2`))))
select bin(a1), bin(a2) select bin(a1), bin(a2)
from t1bit from t1bit
where (a1, a2) in (select b1, b2 from t2bit); where (a1, a2) in (select b1, b2 from t2bit);
@@ -1024,7 +1024,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1bb ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1bb ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2bb ALL NULL NULL NULL NULL 3 100.00 Using where 2 DEPENDENT SUBQUERY t2bb ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1003 select conv(`test`.`t1bb`.`a1`,10,2) AS `bin(a1)`,`test`.`t1bb`.`a2` AS `a2` from `test`.`t1bb` where <expr_cache><`test`.`t1bb`.`a1`,`test`.`t1bb`.`a2`>(<in_optimizer>((`test`.`t1bb`.`a1`,`test`.`t1bb`.`a2`),<exists>(select `test`.`t2bb`.`b1`,`test`.`t2bb`.`b2` from `test`.`t2bb` where <cache>(`test`.`t1bb`.`a1`) = `test`.`t2bb`.`b1` and <cache>(`test`.`t1bb`.`a2`) = `test`.`t2bb`.`b2`))) Note 1003 /* select#1 */ select conv(`test`.`t1bb`.`a1`,10,2) AS `bin(a1)`,`test`.`t1bb`.`a2` AS `a2` from `test`.`t1bb` where <expr_cache><`test`.`t1bb`.`a1`,`test`.`t1bb`.`a2`>(<in_optimizer>((`test`.`t1bb`.`a1`,`test`.`t1bb`.`a2`),<exists>(/* select#2 */ select `test`.`t2bb`.`b1`,`test`.`t2bb`.`b2` from `test`.`t2bb` where <cache>(`test`.`t1bb`.`a1`) = `test`.`t2bb`.`b1` and <cache>(`test`.`t1bb`.`a2`) = `test`.`t2bb`.`b2`)))
select bin(a1), a2 select bin(a1), a2
from t1bb from t1bb
where (a1, a2) in (select b1, b2 from t2bb); where (a1, a2) in (select b1, b2 from t2bb);
@@ -1072,7 +1072,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 7 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 7 100.00 Using where
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` from `test`.`t2` where `test`.`t2`.`d` >= 20 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`c`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `test`.`t2`.`c` from `test`.`t2` where `test`.`t2`.`d` >= 20 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`c`))))
select a from t1 where a in (select c from t2 where d >= 20); select a from t1 where a in (select c from t2 where d >= 20);
a a
2 2
@@ -1086,7 +1086,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL it1a 4 NULL 7 100.00 Using where; Using index 1 PRIMARY t1 index NULL it1a 4 NULL 7 100.00 Using where; Using index
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 6 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` from `test`.`t2` where `test`.`t2`.`d` >= 20 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`c`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `test`.`t2`.`c` from `test`.`t2` where `test`.`t2`.`d` >= 20 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`c`))))
select a from t1 where a in (select c from t2 where d >= 20); select a from t1 where a in (select c from t2 where d >= 20);
a a
2 2
@@ -1100,7 +1100,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL it1a 4 NULL 7 100.00 Using where; Using index 1 PRIMARY t1 index NULL it1a 4 NULL 7 100.00 Using where; Using index
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 7 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 7 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` from `test`.`t2` where `test`.`t2`.`d` >= 20 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`c`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `test`.`t2`.`c` from `test`.`t2` where `test`.`t2`.`d` >= 20 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`c`))))
select a from t1 where a in (select c from t2 where d >= 20); select a from t1 where a in (select c from t2 where d >= 20);
a a
2 2
@@ -1113,7 +1113,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL it1a 4 NULL 7 100.00 Using index 1 PRIMARY t1 index NULL it1a 4 NULL 7 100.00 Using index
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 7 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 7 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` from `test`.`t2` where `test`.`t2`.`d` >= 20 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`c`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `test`.`t2`.`c` from `test`.`t2` where `test`.`t2`.`d` >= 20 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`c`))))
select a from t1 group by a having a in (select c from t2 where d >= 20); select a from t1 group by a having a in (select c from t2 where d >= 20);
a a
2 2
@@ -1125,7 +1125,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL it1a 4 NULL 7 100.00 Using index 1 PRIMARY t1 index NULL it1a 4 NULL 7 100.00 Using index
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 7 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 7 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` from `test`.`t2` where `test`.`t2`.`d` >= 20 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`c`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `test`.`t2`.`c` from `test`.`t2` where `test`.`t2`.`d` >= 20 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`c`))))
select a from t1 group by a having a in (select c from t2 where d >= 20); select a from t1 group by a having a in (select c from t2 where d >= 20);
a a
2 2
@@ -1140,7 +1140,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
Note 1981 Aggregate function 'max()' of SELECT #3 belongs to SELECT #1 Note 1981 Aggregate function 'max()' of SELECT #3 belongs to SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <expr_cache><`test`.`t1`.`a`,`test`.`t1`.`b`,max(`test`.`t1`.`b`),max(`test`.`t1`.`b`)>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`c` from `test`.`t2` where <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`,max(`test`.`t1`.`b`),max(`test`.`t1`.`b`)>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` from `test`.`t3` where max(`test`.`t1`.`b`) = `test`.`t3`.`e` having <cache>(`test`.`t2`.`d`) >= <ref_null_helper>(`test`.`t3`.`e`))))) and <cache>(`test`.`t1`.`a`) = `test`.`t2`.`c`))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <expr_cache><`test`.`t1`.`a`,`test`.`t1`.`b`,max(`test`.`t1`.`b`),max(`test`.`t1`.`b`)>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t2`.`c` from `test`.`t2` where <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`,max(`test`.`t1`.`b`),max(`test`.`t1`.`b`)>(<in_optimizer>(`test`.`t2`.`d`,<exists>(/* select#3 */ select `test`.`t3`.`e` from `test`.`t3` where max(`test`.`t1`.`b`) = `test`.`t3`.`e` having <cache>(`test`.`t2`.`d`) >= <ref_null_helper>(`test`.`t3`.`e`))))) and <cache>(`test`.`t1`.`a`) = `test`.`t2`.`c`)))
select a from t1 group by a select a from t1 group by a
having a in (select c from t2 where d >= some(select e from t3 where max(b)=e)); having a in (select c from t2 where d >= some(select e from t3 where max(b)=e));
a a
@@ -1155,7 +1155,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where 3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`c` from `test`.`t2` where <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` from `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`e` and <cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`)))) and <cache>(`test`.`t1`.`a`) = `test`.`t2`.`c`))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t2`.`c` from `test`.`t2` where <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(/* select#3 */ select `test`.`t3`.`e` from `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`e` and <cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`)))) and <cache>(`test`.`t1`.`a`) = `test`.`t2`.`c`)))
select a from t1 select a from t1
where a in (select c from t2 where d >= some(select e from t3 where b=e)); where a in (select c from t2 where d >= some(select e from t3 where b=e));
a a
@@ -1824,7 +1824,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00 1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings: Warnings:
Note 1003 select 8 AS `a` from dual where <expr_cache><8>(<in_optimizer>(8,<exists>(select min(`test`.`t1`.`a`) from `test`.`t1` having <cache>(8) = <ref_null_helper>(min(`test`.`t1`.`a`))))) Note 1003 /* select#1 */ select 8 AS `a` from dual where <expr_cache><8>(<in_optimizer>(8,<exists>(/* select#2 */ select min(`test`.`t1`.`a`) from `test`.`t1` having <cache>(8) = <ref_null_helper>(min(`test`.`t1`.`a`)))))
DROP TABLE t1; DROP TABLE t1;
# #
# BUG#904432: Wrong result with LEFT JOIN, constant table, semijoin=ON,materialization=ON # BUG#904432: Wrong result with LEFT JOIN, constant table, semijoin=ON,materialization=ON
@@ -1925,7 +1925,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 3 100.00 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from <materialize> (select max(`test`.`t2`.`c`) from `test`.`t2`) join `test`.`t1` where `test`.`t1`.`b` = 7 and `test`.`t1`.`a` = `<subquery2>`.`MAX(c)` and (<cache>(`<subquery2>`.`MAX(c)` is null) or `<subquery2>`.`MAX(c)` = 7) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from <materialize> (/* select#2 */ select max(`test`.`t2`.`c`) from `test`.`t2`) join `test`.`t1` where `test`.`t1`.`b` = 7 and `test`.`t1`.`a` = `<subquery2>`.`MAX(c)` and (<cache>(`<subquery2>`.`MAX(c)` is null) or `<subquery2>`.`MAX(c)` = 7)
SELECT * FROM t1 SELECT * FROM t1
WHERE a IN (SELECT MAX(c) FROM t2) AND b=7 AND (a IS NULL OR a=b); WHERE a IN (SELECT MAX(c) FROM t2) AND b=7 AND (a IS NULL OR a=b);
a b a b
@@ -2512,7 +2512,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00
Warnings: Warnings:
Note 1003 select max(`test`.`t1`.`b`) AS `max_res` from `test`.`t1` where 0 Note 1003 /* select#1 */ select max(`test`.`t1`.`b`) AS `max_res` from `test`.`t1` where 0
set @@optimizer_switch='materialization=off,in_to_exists=on,semijoin=off'; set @@optimizer_switch='materialization=off,in_to_exists=on,semijoin=off';
SELECT MAX(t1.b) AS max_res FROM t1 WHERE (9) IN (SELECT a FROM t2); SELECT MAX(t1.b) AS max_res FROM t1 WHERE (9) IN (SELECT a FROM t2);
max_res max_res
@@ -2523,7 +2523,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where 2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1003 select max(`test`.`t1`.`b`) AS `max_res` from `test`.`t1` where 0 Note 1003 /* select#1 */ select max(`test`.`t1`.`b`) AS `max_res` from `test`.`t1` where 0
DROP TABLE t1,t2; DROP TABLE t1,t2;
# #
# LPBUG#825095: Wrong result with materialization and NOT IN with 2 expressions # LPBUG#825095: Wrong result with materialization and NOT IN with 2 expressions

2
mysql-test/r/subselect_mat_cost_bugs.result
View File

@@ -100,7 +100,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 index c3 c3 9 NULL 2 100.00 Using where; Using index; Using join buffer (flat, BNL join) 2 DEPENDENT SUBQUERY t2 index c3 c3 9 NULL 2 100.00 Using where; Using index; Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.pk' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.pk' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` where <expr_cache><`test`.`t1`.`c1`,`test`.`t1`.`pk`>(<in_optimizer>(`test`.`t1`.`c1`,<exists>(select `test`.`t1a`.`c1` from `test`.`t1b` join `test`.`t2` left join `test`.`t1a` on(`test`.`t1a`.`c2` = `test`.`t1b`.`pk` and 2) where `test`.`t1`.`pk` <> 0 and <cache>(`test`.`t1`.`c1`) = `test`.`t1a`.`c1` and `test`.`t2`.`c3` = `test`.`t1b`.`c4`))) Note 1003 /* select#1 */ select `test`.`t1`.`pk` AS `pk` from `test`.`t1` where <expr_cache><`test`.`t1`.`c1`,`test`.`t1`.`pk`>(<in_optimizer>(`test`.`t1`.`c1`,<exists>(/* select#2 */ select `test`.`t1a`.`c1` from `test`.`t1b` join `test`.`t2` left join `test`.`t1a` on(`test`.`t1a`.`c2` = `test`.`t1b`.`pk` and 2) where `test`.`t1`.`pk` <> 0 and <cache>(`test`.`t1`.`c1`) = `test`.`t1a`.`c1` and `test`.`t2`.`c3` = `test`.`t1b`.`c4`)))
SELECT pk SELECT pk
FROM t1 FROM t1
WHERE c1 IN WHERE c1 IN

96
mysql-test/r/subselect_no_exists_to_in.result
View File

@@ -31,7 +31,7 @@ NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1249 Select 2 was reduced during optimization Note 1249 Select 2 was reduced during optimization
Note 1249 Select 4 was reduced during optimization Note 1249 Select 4 was reduced during optimization
Note 1003 select 1 AS `(SELECT 1)` union select 2 AS `(SELECT 2)` Note 1003 /* select#1 */ select 1 AS `(SELECT 1)` union /* select#3 */ select 2 AS `(SELECT 2)`
SELECT (SELECT (SELECT 0 UNION SELECT 0)); SELECT (SELECT (SELECT 0 UNION SELECT 0));
(SELECT (SELECT 0 UNION SELECT 0)) (SELECT (SELECT 0 UNION SELECT 0))
0 0
@@ -43,7 +43,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1249 Select 2 was reduced during optimization Note 1249 Select 2 was reduced during optimization
Note 1003 select (select 0 union select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))` Note 1003 /* select#1 */ select (/* select#3 */ select 0 union /* select#4 */ select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))`
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a; SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
ERROR 42S22: Reference 'a' not supported (forward reference in item list) ERROR 42S22: Reference 'a' not supported (forward reference in item list)
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b; SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b;
@@ -61,7 +61,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select 1 AS `1` from dual having (select 1) = 1 Note 1003 /* select#1 */ select 1 AS `1` from dual having (/* select#3 */ select 1) = 1
SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1; SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
1 1
1 1
@@ -202,7 +202,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
4 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 4 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00
NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`b` = (select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1)) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where `test`.`t4`.`b` = (select max(`test`.`t2`.`a`) * 4 from `test`.`t2`)) Note 1003 (/* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`b` = (/* select#2 */ select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1)) union (/* select#3 */ select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where `test`.`t4`.`b` = (/* select#4 */ select max(`test`.`t2`.`a`) * 4 from `test`.`t2`))
select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2; select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
(select a from t3 where a<t2.a*4 order by 1 desc limit 1) a (select a from t3 where a<t2.a*4 order by 1 desc limit 1) a
3 1 3 1
@@ -220,7 +220,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where 3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort 2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort
Warnings: Warnings:
Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where `test`.`t3`.`a` < 8 order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`a` > 1) `tt` Note 1003 /* select#1 */ select (/* select#2 */ select `test`.`t3`.`a` from `test`.`t3` where `test`.`t3`.`a` < 8 order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (/* select#3 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`a` > 1) `tt`
set optimizer_switch=@tmp_optimizer_switch; set optimizer_switch=@tmp_optimizer_switch;
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1); select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
a a
@@ -242,7 +242,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t4`.`b` AS `b`,<expr_cache><`test`.`t4`.`a`>((select avg(`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where `test`.`t3`.`a` >= `test`.`t4`.`a`)) from `test`.`t2`)) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4` Note 1003 /* select#1 */ select `test`.`t4`.`b` AS `b`,<expr_cache><`test`.`t4`.`a`>((/* select#2 */ select avg(`test`.`t2`.`a` + (/* select#3 */ select min(`test`.`t3`.`a`) from `test`.`t3` where `test`.`t3`.`a` >= `test`.`t4`.`a`)) from `test`.`t2`)) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
select * from t3 where exists (select * from t2 where t2.b=t3.a); select * from t3 where exists (select * from t2 where t2.b=t3.a);
a a
7 7
@@ -288,7 +288,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2); select * from t3 where a >= all (select b from t2);
a a
7 7
@@ -332,7 +332,7 @@ NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select <expr_cache><`test`.`t2`.`a`>((select 2 from dual where 2 = `test`.`t2`.`a` union select `test`.`t5`.`a` from `test`.`t5` where `test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2` Note 1003 /* select#1 */ select <expr_cache><`test`.`t2`.`a`>((/* select#2 */ select 2 from dual where 2 = `test`.`t2`.`a` union /* select#3 */ select `test`.`t5`.`a` from `test`.`t5` where `test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2; select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
ERROR 21000: Subquery returns more than 1 row ERROR 21000: Subquery returns more than 1 row
create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq)); create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
@@ -350,7 +350,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t7 eq_ref PRIMARY PRIMARY 4 test.t6.clinic_uq 1 100.00 Using index 2 DEPENDENT SUBQUERY t7 eq_ref PRIMARY PRIMARY 4 test.t6.clinic_uq 1 100.00 Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where <expr_cache><`test`.`t6`.`clinic_uq`>(exists(select 1 from `test`.`t7` where `test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`)) Note 1003 /* select#1 */ select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where <expr_cache><`test`.`t6`.`clinic_uq`>(exists(/* select#2 */ select 1 from `test`.`t7` where `test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`))
select * from t1 where a= (select a from t2,t4 where t2.b=t4.b); select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
ERROR 23000: Column 'a' in field list is ambiguous ERROR 23000: Column 'a' in field list is ambiguous
drop table t1,t2,t3; drop table t1,t2,t3;
@@ -385,7 +385,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00
3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index 3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
Warnings: Warnings:
Note 1003 select 'joce' AS `pseudo`,(select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1 Note 1003 /* select#1 */ select 'joce' AS `pseudo`,(/* select#2 */ select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce'); t8 WHERE pseudo='joce');
ERROR 21000: Operand should contain 1 column(s) ERROR 21000: Operand should contain 1 column(s)
@@ -417,7 +417,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY t1 index NULL PRIMARY 43 NULL 2 100.00 Using where; Using index 2 SUBQUERY t1 index NULL PRIMARY 43 NULL 2 100.00 Using where; Using index
Warnings: Warnings:
Note 1003 select (select distinct `test`.`t1`.`date` from `test`.`t1` where `test`.`t1`.`date` = DATE'2002-08-03') AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')` Note 1003 /* select#1 */ select (/* select#2 */ select distinct `test`.`t1`.`date` from `test`.`t1` where `test`.`t1`.`date` = DATE'2002-08-03') AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
SELECT DISTINCT date FROM t1 WHERE date='2002-08-03'; SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
date date
2002-08-03 2002-08-03
@@ -438,7 +438,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used 3 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 1
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment, `numeropost` mediumint(8) unsigned NOT NULL auto_increment,
@@ -570,7 +570,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index 1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings: Warnings:
Note 1003 select 3 AS `numreponse` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 3 AS `numreponse` from `test`.`t1` where 1
drop table t1; drop table t1;
CREATE TABLE t1 (a int(1)); CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1); INSERT INTO t1 VALUES (1);
@@ -767,7 +767,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used 3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select `test`.`t2`.`id` AS `id` from `test`.`t2` where <expr_cache><`test`.`t2`.`id`>(<in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(1) union select 3 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(3)))) Note 1003 /* select#1 */ select `test`.`t2`.`id` AS `id` from `test`.`t2` where <expr_cache><`test`.`t2`.`id`>(<in_optimizer>(`test`.`t2`.`id`,<exists>(/* select#2 */ select 1 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(1) union /* select#3 */ select 3 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))))
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3); SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
id id
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2); SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
@@ -915,7 +915,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index 1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
2 SUBQUERY t2 index_subquery a a 5 func 2 100.00 Using index 2 SUBQUERY t2 index_subquery a a 5 func 2 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t2 on a checking NULL having `test`.`t2`.`a` is null)))) AS `t1.a in (select t2.a from t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t2 on a checking NULL having `test`.`t2`.`a` is null)))) AS `t1.a in (select t2.a from t2)` from `test`.`t1`
CREATE TABLE t3 (a int(11) default '0'); CREATE TABLE t3 (a int(11) default '0');
INSERT INTO t3 VALUES (1),(2),(3); INSERT INTO t3 VALUES (1),(2),(3);
SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1; SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
@@ -930,7 +930,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) 2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where `test`.`t3`.`a` = `test`.`t2`.`a` and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a` or `test`.`t2`.`a` is null) having `test`.`t2`.`a` is null))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where `test`.`t3`.`a` = `test`.`t2`.`a` and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a` or `test`.`t2`.`a` is null) having `test`.`t2`.`a` is null))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
drop table t1,t2,t3; drop table t1,t2,t3;
# check correct NULL Processing for normal IN/ALL/ANY # check correct NULL Processing for normal IN/ALL/ANY
# and 2 ways of max/min optimization # and 2 ways of max/min optimization
@@ -1169,19 +1169,19 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1`
EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1; EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1`
EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1; EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1`
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`mot` varchar(30) character set latin1 NOT NULL default '', `mot` varchar(30) character set latin1 NOT NULL default '',
@@ -1276,7 +1276,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 2 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00
3 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 3 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,(select (select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1) from t1 limit 1)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,(/* select#2 */ select (/* select#3 */ select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1) from t1 limit 1)` from `test`.`t1`
drop table t1; drop table t1;
select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent); select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent);
ERROR 42S02: Table 'test.t1' doesn't exist ERROR 42S02: Table 'test.t1' doesn't exist
@@ -1330,7 +1330,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings: Warnings:
Note 1003 select <in_optimizer>(0,<exists>(select 1 from dual where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)` Note 1003 /* select#1 */ select <in_optimizer>(0,<exists>(/* select#2 */ select 1 from dual where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)`
INSERT INTO t1 (pseudo) VALUES ('test1'); INSERT INTO t1 (pseudo) VALUES ('test1');
SELECT 0 IN (SELECT 1 FROM t1 a); SELECT 0 IN (SELECT 1 FROM t1 a);
0 IN (SELECT 1 FROM t1 a) 0 IN (SELECT 1 FROM t1 a)
@@ -1340,7 +1340,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings: Warnings:
Note 1003 select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)` Note 1003 /* select#1 */ select <in_optimizer>(0,<exists>(/* select#2 */ select 1 from `test`.`t1` `a` where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)`
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`i` int(11) NOT NULL default '0', `i` int(11) NOT NULL default '0',
@@ -1385,7 +1385,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using where 1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using where
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings: Warnings:
Note 1003 select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) from `test`.`t1`) Note 1003 /* select#1 */ select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`salary` = (/* select#2 */ select max(`test`.`t1`.`salary`) from `test`.`t1`)
drop table t1; drop table t1;
CREATE TABLE t1 ( CREATE TABLE t1 (
ID int(10) unsigned NOT NULL auto_increment, ID int(10) unsigned NOT NULL auto_increment,
@@ -1618,25 +1618,25 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1; explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1; explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1; explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Using where; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Using where; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where `test`.`t2`.`s1` < 'a2' having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where `test`.`t2`.`s1` < 'a2' having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1`
drop table t1,t2; drop table t1,t2;
create table t2 (a int, b int not null); create table t2 (a int, b int not null);
create table t3 (a int); create table t3 (a int);
@@ -1651,7 +1651,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2); select * from t3 where a >= some (select b from t2);
a a
explain extended select * from t3 where a >= some (select b from t2); explain extended select * from t3 where a >= some (select b from t2);
@@ -1659,7 +1659,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2 group by 1); select * from t3 where a >= all (select b from t2 group by 1);
a a
6 6
@@ -1670,7 +1670,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2 group by 1); select * from t3 where a >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where a >= some (select b from t2 group by 1); explain extended select * from t3 where a >= some (select b from t2 group by 1);
@@ -1678,7 +1678,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where NULL >= any (select b from t2); select * from t3 where NULL >= any (select b from t2);
a a
explain extended select * from t3 where NULL >= any (select b from t2); explain extended select * from t3 where NULL >= any (select b from t2);
@@ -1686,7 +1686,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= any (select b from t2 group by 1); select * from t3 where NULL >= any (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1); explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
@@ -1694,7 +1694,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= some (select b from t2); select * from t3 where NULL >= some (select b from t2);
a a
explain extended select * from t3 where NULL >= some (select b from t2); explain extended select * from t3 where NULL >= some (select b from t2);
@@ -1702,7 +1702,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= some (select b from t2 group by 1); select * from t3 where NULL >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1); explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
@@ -1710,7 +1710,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
insert into t2 values (2,2), (2,1), (3,3), (3,1); insert into t2 values (2,2), (2,1), (3,3), (3,1);
select * from t3 where a > all (select max(b) from t2 group by a); select * from t3 where a > all (select max(b) from t2 group by a);
a a
@@ -1721,7 +1721,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary 2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,<max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,<max>(/* select#2 */ select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`)))
drop table t2, t3; drop table t2, t3;
CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ; CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now()); INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
@@ -1772,7 +1772,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION t1 system NULL NULL NULL NULL 1 100.00 3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select 'e' AS `s1` from dual where 1 Note 1003 /* select#1 */ select 'e' AS `s1` from dual where 1
drop table t1; drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1; CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874'); INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
@@ -1891,14 +1891,14 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 12 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 12 100.00 Using where
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index; Using where 2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index; Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where !<expr_cache><`test`.`t1`.`id`>(<in_optimizer>(`test`.`t1`.`id`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`id`) in t1 on PRIMARY where `test`.`t1`.`id` < 8 and <cache>(`test`.`t1`.`id`) = `test`.`t1`.`id`)))) Note 1003 /* select#1 */ select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where !<expr_cache><`test`.`t1`.`id`>(<in_optimizer>(`test`.`t1`.`id`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`id`) in t1 on PRIMARY where `test`.`t1`.`id` < 8 and <cache>(`test`.`t1`.`id`) = `test`.`t1`.`id`))))
explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null); explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null);
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY tt ALL NULL NULL NULL NULL 12 100.00 Using where 1 PRIMARY tt ALL NULL NULL NULL NULL 12 100.00 Using where
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where !<expr_cache><`test`.`tt`.`id`>(exists(select `test`.`t1`.`id` from `test`.`t1` where `test`.`t1`.`id` < 8 and `test`.`t1`.`id` = `test`.`tt`.`id` having `test`.`t1`.`id` is not null)) Note 1003 /* select#1 */ select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where !<expr_cache><`test`.`tt`.`id`>(exists(/* select#2 */ select `test`.`t1`.`id` from `test`.`t1` where `test`.`t1`.`id` < 8 and `test`.`t1`.`id` = `test`.`tt`.`id` having `test`.`t1`.`id` is not null))
insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001'); insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
create table t2 (id int not null, text varchar(20) not null default '', primary key (id)); create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10'); insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
@@ -2434,7 +2434,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where 2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where <expr_cache><`test`.`up`.`a`>(exists(select 1 from `test`.`t1` where `test`.`t1`.`a` = `test`.`up`.`a`)) Note 1003 /* select#1 */ select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where <expr_cache><`test`.`up`.`a`>(exists(/* select#2 */ select 1 from `test`.`t1` where `test`.`t1`.`a` = `test`.`up`.`a`))
drop table t1; drop table t1;
CREATE TABLE t1 (t1_a int); CREATE TABLE t1 (t1_a int);
INSERT INTO t1 VALUES (1); INSERT INTO t1 VALUES (1);
@@ -2981,7 +2981,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null)))) AS `test` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(/* select#2 */ select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null)))) AS `test` from `test`.`t1`
explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N'); explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
@@ -2994,7 +2994,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null)))) AS `test` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(/* select#2 */ select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null)))) AS `test` from `test`.`t1`
DROP TABLE t1,t2; DROP TABLE t1,t2;
set optimizer_switch=@tmp11867_optimizer_switch; set optimizer_switch=@tmp11867_optimizer_switch;
CREATE TABLE t1 (a char(5), b char(5)); CREATE TABLE t1 (a char(5), b char(5));
@@ -4251,7 +4251,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `res`.`count(*)` AS `count(*)` from (select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`a`) `res` Note 1003 /* select#1 */ select `res`.`count(*)` AS `count(*)` from (/* select#2 */ select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`a`) `res`
DROP TABLE t1; DROP TABLE t1;
CREATE TABLE t1 ( CREATE TABLE t1 (
a varchar(255) default NULL, a varchar(255) default NULL,
@@ -4447,7 +4447,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists(select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`)) Note 1003 /* select#1 */ select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists(/* select#2 */ select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`))
EXPLAIN EXTENDED EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a) UNION SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a) UNION
(SELECT 1 FROM t2 WHERE t1.a = t2.a)); (SELECT 1 FROM t2 WHERE t1.a = t2.a));
@@ -4459,7 +4459,7 @@ NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists((select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) union (select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`))) Note 1003 /* select#1 */ select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists((/* select#2 */ select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) union (/* select#3 */ select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`)))
DROP TABLE t1,t2; DROP TABLE t1,t2;
create table t0(a int); create table t0(a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
@@ -4540,14 +4540,14 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary 2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary
Warnings: Warnings:
Note 1003 select 1 AS `1` from <materialize> (select min(`test`.`t1`.`a`) from `test`.`t1` group by `test`.`t1`.`a`) join `test`.`t1` where `<subquery2>`.`min(a)` = 1 Note 1003 /* select#1 */ select 1 AS `1` from <materialize> (/* select#2 */ select min(`test`.`t1`.`a`) from `test`.`t1` group by `test`.`t1`.`a`) join `test`.`t1` where `<subquery2>`.`min(a)` = 1
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 WHERE a > 3 GROUP BY a); EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 WHERE a > 3 GROUP BY a);
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> const distinct_key distinct_key 4 const 1 100.00 1 PRIMARY <subquery2> const distinct_key distinct_key 4 const 1 100.00
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary 2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary
Warnings: Warnings:
Note 1003 select 1 AS `1` from <materialize> (select min(`test`.`t1`.`a`) from `test`.`t1` where `test`.`t1`.`a` > 3 group by `test`.`t1`.`a`) join `test`.`t1` where `<subquery2>`.`min(a)` = 1 Note 1003 /* select#1 */ select 1 AS `1` from <materialize> (/* select#2 */ select min(`test`.`t1`.`a`) from `test`.`t1` where `test`.`t1`.`a` > 3 group by `test`.`t1`.`a`) join `test`.`t1` where `<subquery2>`.`min(a)` = 1
SET join_cache_level=@save_join_cache_level; SET join_cache_level=@save_join_cache_level;
DROP TABLE t1; DROP TABLE t1;
# #
@@ -4638,7 +4638,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1); SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
1 1
1 1

90
mysql-test/r/subselect_no_mat.result
View File

@@ -34,7 +34,7 @@ NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1249 Select 2 was reduced during optimization Note 1249 Select 2 was reduced during optimization
Note 1249 Select 4 was reduced during optimization Note 1249 Select 4 was reduced during optimization
Note 1003 select 1 AS `(SELECT 1)` union select 2 AS `(SELECT 2)` Note 1003 /* select#1 */ select 1 AS `(SELECT 1)` union /* select#3 */ select 2 AS `(SELECT 2)`
SELECT (SELECT (SELECT 0 UNION SELECT 0)); SELECT (SELECT (SELECT 0 UNION SELECT 0));
(SELECT (SELECT 0 UNION SELECT 0)) (SELECT (SELECT 0 UNION SELECT 0))
0 0
@@ -46,7 +46,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1249 Select 2 was reduced during optimization Note 1249 Select 2 was reduced during optimization
Note 1003 select (select 0 union select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))` Note 1003 /* select#1 */ select (/* select#3 */ select 0 union /* select#4 */ select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))`
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a; SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
ERROR 42S22: Reference 'a' not supported (forward reference in item list) ERROR 42S22: Reference 'a' not supported (forward reference in item list)
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b; SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b;
@@ -64,7 +64,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select 1 AS `1` from dual having (select 1) = 1 Note 1003 /* select#1 */ select 1 AS `1` from dual having (/* select#3 */ select 1) = 1
SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1; SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
1 1
1 1
@@ -205,7 +205,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
4 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 4 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00
NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`b` = (select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1)) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where `test`.`t4`.`b` = (select max(`test`.`t2`.`a`) * 4 from `test`.`t2`)) Note 1003 (/* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`b` = (/* select#2 */ select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1)) union (/* select#3 */ select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where `test`.`t4`.`b` = (/* select#4 */ select max(`test`.`t2`.`a`) * 4 from `test`.`t2`))
select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2; select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
(select a from t3 where a<t2.a*4 order by 1 desc limit 1) a (select a from t3 where a<t2.a*4 order by 1 desc limit 1) a
3 1 3 1
@@ -223,7 +223,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where 3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort 2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort
Warnings: Warnings:
Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where `test`.`t3`.`a` < 8 order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`a` > 1) `tt` Note 1003 /* select#1 */ select (/* select#2 */ select `test`.`t3`.`a` from `test`.`t3` where `test`.`t3`.`a` < 8 order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (/* select#3 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`a` > 1) `tt`
set optimizer_switch=@tmp_optimizer_switch; set optimizer_switch=@tmp_optimizer_switch;
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1); select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
a a
@@ -245,7 +245,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t4`.`b` AS `b`,<expr_cache><`test`.`t4`.`a`>((select avg(`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where `test`.`t3`.`a` >= `test`.`t4`.`a`)) from `test`.`t2`)) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4` Note 1003 /* select#1 */ select `test`.`t4`.`b` AS `b`,<expr_cache><`test`.`t4`.`a`>((/* select#2 */ select avg(`test`.`t2`.`a` + (/* select#3 */ select min(`test`.`t3`.`a`) from `test`.`t3` where `test`.`t3`.`a` >= `test`.`t4`.`a`)) from `test`.`t2`)) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
select * from t3 where exists (select * from t2 where t2.b=t3.a); select * from t3 where exists (select * from t2 where t2.b=t3.a);
a a
7 7
@@ -291,7 +291,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2); select * from t3 where a >= all (select b from t2);
a a
7 7
@@ -335,7 +335,7 @@ NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select <expr_cache><`test`.`t2`.`a`>((select 2 from dual where 2 = `test`.`t2`.`a` union select `test`.`t5`.`a` from `test`.`t5` where `test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2` Note 1003 /* select#1 */ select <expr_cache><`test`.`t2`.`a`>((/* select#2 */ select 2 from dual where 2 = `test`.`t2`.`a` union /* select#3 */ select `test`.`t5`.`a` from `test`.`t5` where `test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2; select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
ERROR 21000: Subquery returns more than 1 row ERROR 21000: Subquery returns more than 1 row
create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq)); create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
@@ -388,7 +388,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00
3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index 3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
Warnings: Warnings:
Note 1003 select 'joce' AS `pseudo`,(select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1 Note 1003 /* select#1 */ select 'joce' AS `pseudo`,(/* select#2 */ select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce'); t8 WHERE pseudo='joce');
ERROR 21000: Operand should contain 1 column(s) ERROR 21000: Operand should contain 1 column(s)
@@ -420,7 +420,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY t1 index NULL PRIMARY 43 NULL 2 100.00 Using where; Using index 2 SUBQUERY t1 index NULL PRIMARY 43 NULL 2 100.00 Using where; Using index
Warnings: Warnings:
Note 1003 select (select distinct `test`.`t1`.`date` from `test`.`t1` where `test`.`t1`.`date` = DATE'2002-08-03') AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')` Note 1003 /* select#1 */ select (/* select#2 */ select distinct `test`.`t1`.`date` from `test`.`t1` where `test`.`t1`.`date` = DATE'2002-08-03') AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
SELECT DISTINCT date FROM t1 WHERE date='2002-08-03'; SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
date date
2002-08-03 2002-08-03
@@ -441,7 +441,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used 3 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 1
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment, `numeropost` mediumint(8) unsigned NOT NULL auto_increment,
@@ -573,7 +573,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index 1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings: Warnings:
Note 1003 select 3 AS `numreponse` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 3 AS `numreponse` from `test`.`t1` where 1
drop table t1; drop table t1;
CREATE TABLE t1 (a int(1)); CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1); INSERT INTO t1 VALUES (1);
@@ -770,7 +770,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used 3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select `test`.`t2`.`id` AS `id` from `test`.`t2` where <expr_cache><`test`.`t2`.`id`>(<in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(1) union select 3 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(3)))) Note 1003 /* select#1 */ select `test`.`t2`.`id` AS `id` from `test`.`t2` where <expr_cache><`test`.`t2`.`id`>(<in_optimizer>(`test`.`t2`.`id`,<exists>(/* select#2 */ select 1 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(1) union /* select#3 */ select 3 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))))
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3); SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
id id
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2); SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
@@ -918,7 +918,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index 1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
2 SUBQUERY t2 index_subquery a a 5 func 2 100.00 Using index 2 SUBQUERY t2 index_subquery a a 5 func 2 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t2 on a checking NULL having `test`.`t2`.`a` is null)))) AS `t1.a in (select t2.a from t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t2 on a checking NULL having `test`.`t2`.`a` is null)))) AS `t1.a in (select t2.a from t2)` from `test`.`t1`
CREATE TABLE t3 (a int(11) default '0'); CREATE TABLE t3 (a int(11) default '0');
INSERT INTO t3 VALUES (1),(2),(3); INSERT INTO t3 VALUES (1),(2),(3);
SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1; SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
@@ -933,7 +933,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) 2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where `test`.`t3`.`a` = `test`.`t2`.`a` and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a` or `test`.`t2`.`a` is null) having `test`.`t2`.`a` is null))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where `test`.`t3`.`a` = `test`.`t2`.`a` and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a` or `test`.`t2`.`a` is null) having `test`.`t2`.`a` is null))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
drop table t1,t2,t3; drop table t1,t2,t3;
# check correct NULL Processing for normal IN/ALL/ANY # check correct NULL Processing for normal IN/ALL/ANY
# and 2 ways of max/min optimization # and 2 ways of max/min optimization
@@ -1172,19 +1172,19 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1`
EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1; EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1`
EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1; EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1`
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`mot` varchar(30) character set latin1 NOT NULL default '', `mot` varchar(30) character set latin1 NOT NULL default '',
@@ -1279,7 +1279,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 2 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00
3 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 3 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,(select (select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1) from t1 limit 1)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,(/* select#2 */ select (/* select#3 */ select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1) from t1 limit 1)` from `test`.`t1`
drop table t1; drop table t1;
select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent); select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent);
ERROR 42S02: Table 'test.t1' doesn't exist ERROR 42S02: Table 'test.t1' doesn't exist
@@ -1333,7 +1333,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings: Warnings:
Note 1003 select <in_optimizer>(0,<exists>(select 1 from dual where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)` Note 1003 /* select#1 */ select <in_optimizer>(0,<exists>(/* select#2 */ select 1 from dual where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)`
INSERT INTO t1 (pseudo) VALUES ('test1'); INSERT INTO t1 (pseudo) VALUES ('test1');
SELECT 0 IN (SELECT 1 FROM t1 a); SELECT 0 IN (SELECT 1 FROM t1 a);
0 IN (SELECT 1 FROM t1 a) 0 IN (SELECT 1 FROM t1 a)
@@ -1343,7 +1343,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings: Warnings:
Note 1003 select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)` Note 1003 /* select#1 */ select <in_optimizer>(0,<exists>(/* select#2 */ select 1 from `test`.`t1` `a` where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)`
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`i` int(11) NOT NULL default '0', `i` int(11) NOT NULL default '0',
@@ -1388,7 +1388,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using where 1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using where
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings: Warnings:
Note 1003 select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) from `test`.`t1`) Note 1003 /* select#1 */ select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`salary` = (/* select#2 */ select max(`test`.`t1`.`salary`) from `test`.`t1`)
drop table t1; drop table t1;
CREATE TABLE t1 ( CREATE TABLE t1 (
ID int(10) unsigned NOT NULL auto_increment, ID int(10) unsigned NOT NULL auto_increment,
@@ -1621,25 +1621,25 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1; explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1; explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1; explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Using where; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Using where; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where `test`.`t2`.`s1` < 'a2' having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where `test`.`t2`.`s1` < 'a2' having trigcond(`test`.`t2`.`s1` is null))))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1`
drop table t1,t2; drop table t1,t2;
create table t2 (a int, b int not null); create table t2 (a int, b int not null);
create table t3 (a int); create table t3 (a int);
@@ -1654,7 +1654,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2); select * from t3 where a >= some (select b from t2);
a a
explain extended select * from t3 where a >= some (select b from t2); explain extended select * from t3 where a >= some (select b from t2);
@@ -1662,7 +1662,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2 group by 1); select * from t3 where a >= all (select b from t2 group by 1);
a a
6 6
@@ -1673,7 +1673,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2 group by 1); select * from t3 where a >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where a >= some (select b from t2 group by 1); explain extended select * from t3 where a >= some (select b from t2 group by 1);
@@ -1681,7 +1681,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where NULL >= any (select b from t2); select * from t3 where NULL >= any (select b from t2);
a a
explain extended select * from t3 where NULL >= any (select b from t2); explain extended select * from t3 where NULL >= any (select b from t2);
@@ -1689,7 +1689,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= any (select b from t2 group by 1); select * from t3 where NULL >= any (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1); explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
@@ -1697,7 +1697,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= some (select b from t2); select * from t3 where NULL >= some (select b from t2);
a a
explain extended select * from t3 where NULL >= some (select b from t2); explain extended select * from t3 where NULL >= some (select b from t2);
@@ -1705,7 +1705,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= some (select b from t2 group by 1); select * from t3 where NULL >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1); explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
@@ -1713,7 +1713,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
insert into t2 values (2,2), (2,1), (3,3), (3,1); insert into t2 values (2,2), (2,1), (3,3), (3,1);
select * from t3 where a > all (select max(b) from t2 group by a); select * from t3 where a > all (select max(b) from t2 group by a);
a a
@@ -1724,7 +1724,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary 2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,<max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,<max>(/* select#2 */ select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`)))
drop table t2, t3; drop table t2, t3;
CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ; CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now()); INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
@@ -1775,7 +1775,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION t1 system NULL NULL NULL NULL 1 100.00 3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select 'e' AS `s1` from dual where 1 Note 1003 /* select#1 */ select 'e' AS `s1` from dual where 1
drop table t1; drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1; CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874'); INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
@@ -1894,14 +1894,14 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 12 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 12 100.00 Using where
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index; Using where 2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index; Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where !<expr_cache><`test`.`t1`.`id`>(<in_optimizer>(`test`.`t1`.`id`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`id`) in t1 on PRIMARY where `test`.`t1`.`id` < 8 and <cache>(`test`.`t1`.`id`) = `test`.`t1`.`id`)))) Note 1003 /* select#1 */ select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where !<expr_cache><`test`.`t1`.`id`>(<in_optimizer>(`test`.`t1`.`id`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`id`) in t1 on PRIMARY where `test`.`t1`.`id` < 8 and <cache>(`test`.`t1`.`id`) = `test`.`t1`.`id`))))
explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null); explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null);
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY tt ALL NULL NULL NULL NULL 12 100.00 Using where 1 PRIMARY tt ALL NULL NULL NULL NULL 12 100.00 Using where
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where !<in_optimizer>(1,<expr_cache><`test`.`tt`.`id`>(exists(select `test`.`t1`.`id` from `test`.`t1` where `test`.`t1`.`id` < 8 and `test`.`t1`.`id` = `test`.`tt`.`id` having `test`.`t1`.`id` is not null))) Note 1003 /* select#1 */ select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where !<in_optimizer>(1,<expr_cache><`test`.`tt`.`id`>(exists(/* select#2 */ select `test`.`t1`.`id` from `test`.`t1` where `test`.`t1`.`id` < 8 and `test`.`t1`.`id` = `test`.`tt`.`id` having `test`.`t1`.`id` is not null)))
insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001'); insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
create table t2 (id int not null, text varchar(20) not null default '', primary key (id)); create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10'); insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
@@ -2984,7 +2984,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null)))) AS `test` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(/* select#2 */ select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null)))) AS `test` from `test`.`t1`
explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N'); explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
@@ -2996,7 +2996,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null)))) AS `test` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(/* select#2 */ select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null)))) AS `test` from `test`.`t1`
DROP TABLE t1,t2; DROP TABLE t1,t2;
set optimizer_switch=@tmp11867_optimizer_switch; set optimizer_switch=@tmp11867_optimizer_switch;
CREATE TABLE t1 (a char(5), b char(5)); CREATE TABLE t1 (a char(5), b char(5));
@@ -4251,7 +4251,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `res`.`count(*)` AS `count(*)` from (select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`a`) `res` Note 1003 /* select#1 */ select `res`.`count(*)` AS `count(*)` from (/* select#2 */ select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`a`) `res`
DROP TABLE t1; DROP TABLE t1;
CREATE TABLE t1 ( CREATE TABLE t1 (
a varchar(255) default NULL, a varchar(255) default NULL,
@@ -4459,7 +4459,7 @@ NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists((select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) union (select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`))) Note 1003 /* select#1 */ select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists((/* select#2 */ select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) union (/* select#3 */ select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`)))
DROP TABLE t1,t2; DROP TABLE t1,t2;
create table t0(a int); create table t0(a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
@@ -4539,13 +4539,13 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary 2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 1
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 WHERE a > 3 GROUP BY a); EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 WHERE a > 3 GROUP BY a);
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary 2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 0 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 0
SET join_cache_level=@save_join_cache_level; SET join_cache_level=@save_join_cache_level;
DROP TABLE t1; DROP TABLE t1;
# #
@@ -4636,7 +4636,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1); SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
1 1
1 1

112
mysql-test/r/subselect_no_opts.result
View File

@@ -30,7 +30,7 @@ NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1249 Select 2 was reduced during optimization Note 1249 Select 2 was reduced during optimization
Note 1249 Select 4 was reduced during optimization Note 1249 Select 4 was reduced during optimization
Note 1003 select 1 AS `(SELECT 1)` union select 2 AS `(SELECT 2)` Note 1003 /* select#1 */ select 1 AS `(SELECT 1)` union /* select#3 */ select 2 AS `(SELECT 2)`
SELECT (SELECT (SELECT 0 UNION SELECT 0)); SELECT (SELECT (SELECT 0 UNION SELECT 0));
(SELECT (SELECT 0 UNION SELECT 0)) (SELECT (SELECT 0 UNION SELECT 0))
0 0
@@ -42,7 +42,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1249 Select 2 was reduced during optimization Note 1249 Select 2 was reduced during optimization
Note 1003 select (select 0 union select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))` Note 1003 /* select#1 */ select (/* select#3 */ select 0 union /* select#4 */ select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))`
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a; SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
ERROR 42S22: Reference 'a' not supported (forward reference in item list) ERROR 42S22: Reference 'a' not supported (forward reference in item list)
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b; SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b;
@@ -60,7 +60,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select 1 AS `1` from dual having (select 1) = 1 Note 1003 /* select#1 */ select 1 AS `1` from dual having (/* select#3 */ select 1) = 1
SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1; SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
1 1
1 1
@@ -201,7 +201,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
4 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 4 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00
NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`b` = (select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1)) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where `test`.`t4`.`b` = (select max(`test`.`t2`.`a`) * 4 from `test`.`t2`)) Note 1003 (/* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`b` = (/* select#2 */ select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1)) union (/* select#3 */ select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where `test`.`t4`.`b` = (/* select#4 */ select max(`test`.`t2`.`a`) * 4 from `test`.`t2`))
select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2; select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
(select a from t3 where a<t2.a*4 order by 1 desc limit 1) a (select a from t3 where a<t2.a*4 order by 1 desc limit 1) a
3 1 3 1
@@ -219,7 +219,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where 3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort 2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort
Warnings: Warnings:
Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where `test`.`t3`.`a` < 8 order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`a` > 1) `tt` Note 1003 /* select#1 */ select (/* select#2 */ select `test`.`t3`.`a` from `test`.`t3` where `test`.`t3`.`a` < 8 order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (/* select#3 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`a` > 1) `tt`
set optimizer_switch=@tmp_optimizer_switch; set optimizer_switch=@tmp_optimizer_switch;
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1); select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
a a
@@ -241,7 +241,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t4`.`b` AS `b`,(select avg(`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where `test`.`t3`.`a` >= `test`.`t4`.`a`)) from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4` Note 1003 /* select#1 */ select `test`.`t4`.`b` AS `b`,(/* select#2 */ select avg(`test`.`t2`.`a` + (/* select#3 */ select min(`test`.`t3`.`a`) from `test`.`t3` where `test`.`t3`.`a` >= `test`.`t4`.`a`)) from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
select * from t3 where exists (select * from t2 where t2.b=t3.a); select * from t3 where exists (select * from t2 where t2.b=t3.a);
a a
7 7
@@ -287,7 +287,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2); select * from t3 where a >= all (select b from t2);
a a
7 7
@@ -331,7 +331,7 @@ NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select (select 2 from dual where 2 = `test`.`t2`.`a` union select `test`.`t5`.`a` from `test`.`t5` where `test`.`t5`.`a` = `test`.`t2`.`a`) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2` Note 1003 /* select#1 */ select (/* select#2 */ select 2 from dual where 2 = `test`.`t2`.`a` union /* select#3 */ select `test`.`t5`.`a` from `test`.`t5` where `test`.`t5`.`a` = `test`.`t2`.`a`) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2; select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
ERROR 21000: Subquery returns more than 1 row ERROR 21000: Subquery returns more than 1 row
create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq)); create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
@@ -349,7 +349,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t7 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index 2 DEPENDENT SUBQUERY t7 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where <in_optimizer>(`test`.`t6`.`clinic_uq`,<exists>(<primary_index_lookup>(<cache>(`test`.`t6`.`clinic_uq`) in t7 on PRIMARY))) Note 1003 /* select#1 */ select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where <in_optimizer>(`test`.`t6`.`clinic_uq`,<exists>(<primary_index_lookup>(<cache>(`test`.`t6`.`clinic_uq`) in t7 on PRIMARY)))
select * from t1 where a= (select a from t2,t4 where t2.b=t4.b); select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
ERROR 23000: Column 'a' in field list is ambiguous ERROR 23000: Column 'a' in field list is ambiguous
drop table t1,t2,t3; drop table t1,t2,t3;
@@ -384,7 +384,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00
3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index 3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
Warnings: Warnings:
Note 1003 select 'joce' AS `pseudo`,(select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1 Note 1003 /* select#1 */ select 'joce' AS `pseudo`,(/* select#2 */ select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce'); t8 WHERE pseudo='joce');
ERROR 21000: Operand should contain 1 column(s) ERROR 21000: Operand should contain 1 column(s)
@@ -416,7 +416,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY t1 index NULL PRIMARY 43 NULL 2 100.00 Using where; Using index 2 SUBQUERY t1 index NULL PRIMARY 43 NULL 2 100.00 Using where; Using index
Warnings: Warnings:
Note 1003 select (select distinct `test`.`t1`.`date` from `test`.`t1` where `test`.`t1`.`date` = DATE'2002-08-03') AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')` Note 1003 /* select#1 */ select (/* select#2 */ select distinct `test`.`t1`.`date` from `test`.`t1` where `test`.`t1`.`date` = DATE'2002-08-03') AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
SELECT DISTINCT date FROM t1 WHERE date='2002-08-03'; SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
date date
2002-08-03 2002-08-03
@@ -437,7 +437,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used 3 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 1
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment, `numeropost` mediumint(8) unsigned NOT NULL auto_increment,
@@ -569,7 +569,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index 1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings: Warnings:
Note 1003 select 3 AS `numreponse` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 3 AS `numreponse` from `test`.`t1` where 1
drop table t1; drop table t1;
CREATE TABLE t1 (a int(1)); CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1); INSERT INTO t1 VALUES (1);
@@ -766,7 +766,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used 3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select `test`.`t2`.`id` AS `id` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(1) union select 3 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))) Note 1003 /* select#1 */ select `test`.`t2`.`id` AS `id` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(/* select#2 */ select 1 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(1) union /* select#3 */ select 3 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(3)))
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3); SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
id id
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2); SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
@@ -914,7 +914,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index 1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
2 SUBQUERY t2 index_subquery a a 5 func 2 100.00 Using index 2 SUBQUERY t2 index_subquery a a 5 func 2 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t2 on a checking NULL having `test`.`t2`.`a` is null))) AS `t1.a in (select t2.a from t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t2 on a checking NULL having `test`.`t2`.`a` is null))) AS `t1.a in (select t2.a from t2)` from `test`.`t1`
CREATE TABLE t3 (a int(11) default '0'); CREATE TABLE t3 (a int(11) default '0');
INSERT INTO t3 VALUES (1),(2),(3); INSERT INTO t3 VALUES (1),(2),(3);
SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1; SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
@@ -929,7 +929,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) 2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where `test`.`t3`.`a` = `test`.`t2`.`a` and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a` or `test`.`t2`.`a` is null) having `test`.`t2`.`a` is null)) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where `test`.`t3`.`a` = `test`.`t2`.`a` and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a` or `test`.`t2`.`a` is null) having `test`.`t2`.`a` is null)) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
drop table t1,t2,t3; drop table t1,t2,t3;
# check correct NULL Processing for normal IN/ALL/ANY # check correct NULL Processing for normal IN/ALL/ANY
# and 2 ways of max/min optimization # and 2 ways of max/min optimization
@@ -1168,19 +1168,19 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1`
EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1; EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1`
EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1; EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1`
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`mot` varchar(30) character set latin1 NOT NULL default '', `mot` varchar(30) character set latin1 NOT NULL default '',
@@ -1275,7 +1275,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 2 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00
3 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 3 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,(select (select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1) from t1 limit 1)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,(/* select#2 */ select (/* select#3 */ select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1) from t1 limit 1)` from `test`.`t1`
drop table t1; drop table t1;
select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent); select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent);
ERROR 42S02: Table 'test.t1' doesn't exist ERROR 42S02: Table 'test.t1' doesn't exist
@@ -1329,7 +1329,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings: Warnings:
Note 1003 select <in_optimizer>(0,<exists>(select 1 from dual where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)` Note 1003 /* select#1 */ select <in_optimizer>(0,<exists>(/* select#2 */ select 1 from dual where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)`
INSERT INTO t1 (pseudo) VALUES ('test1'); INSERT INTO t1 (pseudo) VALUES ('test1');
SELECT 0 IN (SELECT 1 FROM t1 a); SELECT 0 IN (SELECT 1 FROM t1 a);
0 IN (SELECT 1 FROM t1 a) 0 IN (SELECT 1 FROM t1 a)
@@ -1339,7 +1339,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings: Warnings:
Note 1003 select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)` Note 1003 /* select#1 */ select <in_optimizer>(0,<exists>(/* select#2 */ select 1 from `test`.`t1` `a` where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)`
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`i` int(11) NOT NULL default '0', `i` int(11) NOT NULL default '0',
@@ -1384,7 +1384,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using where 1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using where
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings: Warnings:
Note 1003 select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) from `test`.`t1`) Note 1003 /* select#1 */ select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`salary` = (/* select#2 */ select max(`test`.`t1`.`salary`) from `test`.`t1`)
drop table t1; drop table t1;
CREATE TABLE t1 ( CREATE TABLE t1 (
ID int(10) unsigned NOT NULL auto_increment, ID int(10) unsigned NOT NULL auto_increment,
@@ -1446,7 +1446,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 100.00 Using where; Using index 1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index 2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY)))
select * from t2 where t2.a in (select a from t1 where t1.b <> 30); select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
a a
2 2
@@ -1456,7 +1456,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 100.00 Using where; Using index 1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using where 2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY where `test`.`t1`.`b` <> 30 and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<primary_index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on PRIMARY where `test`.`t1`.`b` <> 30 and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)))
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a); select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
a a
2 2
@@ -1467,7 +1467,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 func 1 100.00 Using where 2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 func 1 100.00 Using where
2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index 2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where `test`.`t3`.`a` = `test`.`t1`.`b` and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where `test`.`t3`.`a` = `test`.`t1`.`b` and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))
drop table t1, t2, t3; drop table t1, t2, t3;
create table t1 (a int, b int, index a (a,b)); create table t1 (a int, b int, index a (a,b));
create table t2 (a int, index a (a)); create table t2 (a int, index a (a));
@@ -1489,7 +1489,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index 1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 100.00 Using index 2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a)))
select * from t2 where t2.a in (select a from t1 where t1.b <> 30); select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
a a
2 2
@@ -1499,7 +1499,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index 1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 100.00 Using index; Using where 2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 100.00 Using index; Using where
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a where `test`.`t1`.`b` <> 30 and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a where `test`.`t1`.`b` <> 30 and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)))
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a); select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
a a
2 2
@@ -1510,7 +1510,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t3 index a a 5 NULL 3 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t3 index a a 5 NULL 3 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 ref a a 10 func,test.t3.a 1167 100.00 Using index 2 DEPENDENT SUBQUERY t1 ref a a 10 func,test.t3.a 1167 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`a` and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`a` and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))
insert into t1 values (3,31); insert into t1 values (3,31);
select * from t2 where t2.a in (select a from t1 where t1.b <> 30); select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
a a
@@ -1526,7 +1526,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index 1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 100.00 Using index; Using where 2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 100.00 Using index; Using where
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a where `test`.`t1`.`b` <> 30 and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a where `test`.`t1`.`b` <> 30 and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)))
drop table t0, t1, t2, t3; drop table t0, t1, t2, t3;
create table t1 (a int, b int); create table t1 (a int, b int);
create table t2 (a int, b int); create table t2 (a int, b int);
@@ -1617,25 +1617,25 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1; explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1; explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1; explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Using where; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Using where; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where `test`.`t2`.`s1` < 'a2' having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where `test`.`t2`.`s1` < 'a2' having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1`
drop table t1,t2; drop table t1,t2;
create table t2 (a int, b int not null); create table t2 (a int, b int not null);
create table t3 (a int); create table t3 (a int);
@@ -1650,7 +1650,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2); select * from t3 where a >= some (select b from t2);
a a
explain extended select * from t3 where a >= some (select b from t2); explain extended select * from t3 where a >= some (select b from t2);
@@ -1658,7 +1658,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2 group by 1); select * from t3 where a >= all (select b from t2 group by 1);
a a
6 6
@@ -1669,7 +1669,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2 group by 1); select * from t3 where a >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where a >= some (select b from t2 group by 1); explain extended select * from t3 where a >= some (select b from t2 group by 1);
@@ -1677,7 +1677,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where NULL >= any (select b from t2); select * from t3 where NULL >= any (select b from t2);
a a
explain extended select * from t3 where NULL >= any (select b from t2); explain extended select * from t3 where NULL >= any (select b from t2);
@@ -1685,7 +1685,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= any (select b from t2 group by 1); select * from t3 where NULL >= any (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1); explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
@@ -1693,7 +1693,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= some (select b from t2); select * from t3 where NULL >= some (select b from t2);
a a
explain extended select * from t3 where NULL >= some (select b from t2); explain extended select * from t3 where NULL >= some (select b from t2);
@@ -1701,7 +1701,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= some (select b from t2 group by 1); select * from t3 where NULL >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1); explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
@@ -1709,7 +1709,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
insert into t2 values (2,2), (2,1), (3,3), (3,1); insert into t2 values (2,2), (2,1), (3,3), (3,1);
select * from t3 where a > all (select max(b) from t2 group by a); select * from t3 where a > all (select max(b) from t2 group by a);
a a
@@ -1720,7 +1720,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary 2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,<max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,<max>(/* select#2 */ select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`)))
drop table t2, t3; drop table t2, t3;
CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ; CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now()); INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
@@ -1771,7 +1771,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION t1 system NULL NULL NULL NULL 1 100.00 3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select 'e' AS `s1` from dual where 1 Note 1003 /* select#1 */ select 'e' AS `s1` from dual where 1
drop table t1; drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1; CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874'); INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
@@ -1890,14 +1890,14 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 12 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 12 100.00 Using where
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index; Using where 2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index; Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where !<in_optimizer>(`test`.`t1`.`id`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`id`) in t1 on PRIMARY where `test`.`t1`.`id` < 8 and <cache>(`test`.`t1`.`id`) = `test`.`t1`.`id`))) Note 1003 /* select#1 */ select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where !<in_optimizer>(`test`.`t1`.`id`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`id`) in t1 on PRIMARY where `test`.`t1`.`id` < 8 and <cache>(`test`.`t1`.`id`) = `test`.`t1`.`id`)))
explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null); explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null);
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY tt ALL NULL NULL NULL NULL 12 100.00 Using where 1 PRIMARY tt ALL NULL NULL NULL NULL 12 100.00 Using where
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where !<in_optimizer>(1,exists(select `test`.`t1`.`id` from `test`.`t1` where `test`.`t1`.`id` < 8 and `test`.`t1`.`id` = `test`.`tt`.`id` having `test`.`t1`.`id` is not null)) Note 1003 /* select#1 */ select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where !<in_optimizer>(1,exists(/* select#2 */ select `test`.`t1`.`id` from `test`.`t1` where `test`.`t1`.`id` < 8 and `test`.`t1`.`id` = `test`.`tt`.`id` having `test`.`t1`.`id` is not null))
insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001'); insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
create table t2 (id int not null, text varchar(20) not null default '', primary key (id)); create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10'); insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
@@ -2433,7 +2433,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where 2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where <in_optimizer>(`test`.`up`.`a`,<exists>(select `test`.`t1`.`a` from `test`.`t1` where <cache>(`test`.`up`.`a`) = `test`.`t1`.`a`)) Note 1003 /* select#1 */ select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where <in_optimizer>(`test`.`up`.`a`,<exists>(/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` where <cache>(`test`.`up`.`a`) = `test`.`t1`.`a`))
drop table t1; drop table t1;
CREATE TABLE t1 (t1_a int); CREATE TABLE t1 (t1_a int);
INSERT INTO t1 VALUES (1); INSERT INTO t1 VALUES (1);
@@ -2980,19 +2980,19 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null))) AS `test` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(/* select#2 */ select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null))) AS `test` from `test`.`t1`
explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N'); explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = 'N' and <cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` and <cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`)) Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` where <in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(/* select#2 */ select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = 'N' and <cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` and <cache>(`test`.`t1`.`two`) = `test`.`t2`.`two`))
explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1; explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null))) AS `test` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(/* select#2 */ select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null))) AS `test` from `test`.`t1`
DROP TABLE t1,t2; DROP TABLE t1,t2;
set optimizer_switch=@tmp11867_optimizer_switch; set optimizer_switch=@tmp11867_optimizer_switch;
CREATE TABLE t1 (a char(5), b char(5)); CREATE TABLE t1 (a char(5), b char(5));
@@ -4247,7 +4247,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `res`.`count(*)` AS `count(*)` from (select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`a`) `res` Note 1003 /* select#1 */ select `res`.`count(*)` AS `count(*)` from (/* select#2 */ select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`a`) `res`
DROP TABLE t1; DROP TABLE t1;
CREATE TABLE t1 ( CREATE TABLE t1 (
a varchar(255) default NULL, a varchar(255) default NULL,
@@ -4443,7 +4443,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`a` from `test`.`t2` where <cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`)) Note 1003 /* select#1 */ select 2 AS `2` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t2`.`a` from `test`.`t2` where <cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`))
EXPLAIN EXTENDED EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a) UNION SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a) UNION
(SELECT 1 FROM t2 WHERE t1.a = t2.a)); (SELECT 1 FROM t2 WHERE t1.a = t2.a));
@@ -4455,7 +4455,7 @@ NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where exists((select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) union (select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`)) Note 1003 /* select#1 */ select 2 AS `2` from `test`.`t1` where exists((/* select#2 */ select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) union (/* select#3 */ select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`))
DROP TABLE t1,t2; DROP TABLE t1,t2;
create table t0(a int); create table t0(a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
@@ -4535,13 +4535,13 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary 2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 1
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 WHERE a > 3 GROUP BY a); EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 WHERE a > 3 GROUP BY a);
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary 2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 0 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 0
SET join_cache_level=@save_join_cache_level; SET join_cache_level=@save_join_cache_level;
DROP TABLE t1; DROP TABLE t1;
# #
@@ -4632,7 +4632,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1); SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
1 1
1 1

90
mysql-test/r/subselect_no_scache.result
View File

@@ -33,7 +33,7 @@ NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1249 Select 2 was reduced during optimization Note 1249 Select 2 was reduced during optimization
Note 1249 Select 4 was reduced during optimization Note 1249 Select 4 was reduced during optimization
Note 1003 select 1 AS `(SELECT 1)` union select 2 AS `(SELECT 2)` Note 1003 /* select#1 */ select 1 AS `(SELECT 1)` union /* select#3 */ select 2 AS `(SELECT 2)`
SELECT (SELECT (SELECT 0 UNION SELECT 0)); SELECT (SELECT (SELECT 0 UNION SELECT 0));
(SELECT (SELECT 0 UNION SELECT 0)) (SELECT (SELECT 0 UNION SELECT 0))
0 0
@@ -45,7 +45,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1249 Select 2 was reduced during optimization Note 1249 Select 2 was reduced during optimization
Note 1003 select (select 0 union select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))` Note 1003 /* select#1 */ select (/* select#3 */ select 0 union /* select#4 */ select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))`
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a; SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
ERROR 42S22: Reference 'a' not supported (forward reference in item list) ERROR 42S22: Reference 'a' not supported (forward reference in item list)
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b; SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b;
@@ -63,7 +63,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select 1 AS `1` from dual having (select 1) = 1 Note 1003 /* select#1 */ select 1 AS `1` from dual having (/* select#3 */ select 1) = 1
SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1; SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
1 1
1 1
@@ -204,7 +204,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
4 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 4 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00
NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`b` = (select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1)) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where `test`.`t4`.`b` = (select max(`test`.`t2`.`a`) * 4 from `test`.`t2`)) Note 1003 (/* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`b` = (/* select#2 */ select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1)) union (/* select#3 */ select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where `test`.`t4`.`b` = (/* select#4 */ select max(`test`.`t2`.`a`) * 4 from `test`.`t2`))
select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2; select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
(select a from t3 where a<t2.a*4 order by 1 desc limit 1) a (select a from t3 where a<t2.a*4 order by 1 desc limit 1) a
3 1 3 1
@@ -222,7 +222,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where 3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort 2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort
Warnings: Warnings:
Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where `test`.`t3`.`a` < 8 order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`a` > 1) `tt` Note 1003 /* select#1 */ select (/* select#2 */ select `test`.`t3`.`a` from `test`.`t3` where `test`.`t3`.`a` < 8 order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (/* select#3 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`a` > 1) `tt`
set optimizer_switch=@tmp_optimizer_switch; set optimizer_switch=@tmp_optimizer_switch;
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1); select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
a a
@@ -244,7 +244,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t4`.`b` AS `b`,(select avg(`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where `test`.`t3`.`a` >= `test`.`t4`.`a`)) from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4` Note 1003 /* select#1 */ select `test`.`t4`.`b` AS `b`,(/* select#2 */ select avg(`test`.`t2`.`a` + (/* select#3 */ select min(`test`.`t3`.`a`) from `test`.`t3` where `test`.`t3`.`a` >= `test`.`t4`.`a`)) from `test`.`t2`) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
select * from t3 where exists (select * from t2 where t2.b=t3.a); select * from t3 where exists (select * from t2 where t2.b=t3.a);
a a
7 7
@@ -290,7 +290,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2); select * from t3 where a >= all (select b from t2);
a a
7 7
@@ -334,7 +334,7 @@ NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select (select 2 from dual where 2 = `test`.`t2`.`a` union select `test`.`t5`.`a` from `test`.`t5` where `test`.`t5`.`a` = `test`.`t2`.`a`) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2` Note 1003 /* select#1 */ select (/* select#2 */ select 2 from dual where 2 = `test`.`t2`.`a` union /* select#3 */ select `test`.`t5`.`a` from `test`.`t5` where `test`.`t5`.`a` = `test`.`t2`.`a`) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2; select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
ERROR 21000: Subquery returns more than 1 row ERROR 21000: Subquery returns more than 1 row
create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq)); create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
@@ -387,7 +387,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00
3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index 3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
Warnings: Warnings:
Note 1003 select 'joce' AS `pseudo`,(select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1 Note 1003 /* select#1 */ select 'joce' AS `pseudo`,(/* select#2 */ select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce'); t8 WHERE pseudo='joce');
ERROR 21000: Operand should contain 1 column(s) ERROR 21000: Operand should contain 1 column(s)
@@ -419,7 +419,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY t1 index NULL PRIMARY 43 NULL 2 100.00 Using where; Using index 2 SUBQUERY t1 index NULL PRIMARY 43 NULL 2 100.00 Using where; Using index
Warnings: Warnings:
Note 1003 select (select distinct `test`.`t1`.`date` from `test`.`t1` where `test`.`t1`.`date` = DATE'2002-08-03') AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')` Note 1003 /* select#1 */ select (/* select#2 */ select distinct `test`.`t1`.`date` from `test`.`t1` where `test`.`t1`.`date` = DATE'2002-08-03') AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
SELECT DISTINCT date FROM t1 WHERE date='2002-08-03'; SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
date date
2002-08-03 2002-08-03
@@ -440,7 +440,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used 3 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 1
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment, `numeropost` mediumint(8) unsigned NOT NULL auto_increment,
@@ -572,7 +572,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index 1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings: Warnings:
Note 1003 select 3 AS `numreponse` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 3 AS `numreponse` from `test`.`t1` where 1
drop table t1; drop table t1;
CREATE TABLE t1 (a int(1)); CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1); INSERT INTO t1 VALUES (1);
@@ -769,7 +769,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used 3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select `test`.`t2`.`id` AS `id` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(1) union select 3 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))) Note 1003 /* select#1 */ select `test`.`t2`.`id` AS `id` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`id`,<exists>(/* select#2 */ select 1 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(1) union /* select#3 */ select 3 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(3)))
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3); SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
id id
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2); SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
@@ -917,7 +917,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index 1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
2 SUBQUERY t2 index_subquery a a 5 func 2 100.00 Using index 2 SUBQUERY t2 index_subquery a a 5 func 2 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t2 on a checking NULL having `test`.`t2`.`a` is null))) AS `t1.a in (select t2.a from t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`a`) in t2 on a checking NULL having `test`.`t2`.`a` is null))) AS `t1.a in (select t2.a from t2)` from `test`.`t1`
CREATE TABLE t3 (a int(11) default '0'); CREATE TABLE t3 (a int(11) default '0');
INSERT INTO t3 VALUES (1),(2),(3); INSERT INTO t3 VALUES (1),(2),(3);
SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1; SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
@@ -932,7 +932,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t2 ref_or_null a a 5 func 2 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) 2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where `test`.`t3`.`a` = `test`.`t2`.`a` and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a` or `test`.`t2`.`a` is null) having `test`.`t2`.`a` is null)) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where `test`.`t3`.`a` = `test`.`t2`.`a` and (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a` or `test`.`t2`.`a` is null) having `test`.`t2`.`a` is null)) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
drop table t1,t2,t3; drop table t1,t2,t3;
# check correct NULL Processing for normal IN/ALL/ANY # check correct NULL Processing for normal IN/ALL/ANY
# and 2 ways of max/min optimization # and 2 ways of max/min optimization
@@ -1171,19 +1171,19 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1`
EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1; EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1`
EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1; EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1`
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`mot` varchar(30) character set latin1 NOT NULL default '', `mot` varchar(30) character set latin1 NOT NULL default '',
@@ -1278,7 +1278,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 2 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00
3 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 3 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,(select (select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1) from t1 limit 1)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,(/* select#2 */ select (/* select#3 */ select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1) from t1 limit 1)` from `test`.`t1`
drop table t1; drop table t1;
select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent); select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent);
ERROR 42S02: Table 'test.t1' doesn't exist ERROR 42S02: Table 'test.t1' doesn't exist
@@ -1332,7 +1332,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings: Warnings:
Note 1003 select <in_optimizer>(0,<exists>(select 1 from dual where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)` Note 1003 /* select#1 */ select <in_optimizer>(0,<exists>(/* select#2 */ select 1 from dual where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)`
INSERT INTO t1 (pseudo) VALUES ('test1'); INSERT INTO t1 (pseudo) VALUES ('test1');
SELECT 0 IN (SELECT 1 FROM t1 a); SELECT 0 IN (SELECT 1 FROM t1 a);
0 IN (SELECT 1 FROM t1 a) 0 IN (SELECT 1 FROM t1 a)
@@ -1342,7 +1342,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings: Warnings:
Note 1003 select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)` Note 1003 /* select#1 */ select <in_optimizer>(0,<exists>(/* select#2 */ select 1 from `test`.`t1` `a` where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)`
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`i` int(11) NOT NULL default '0', `i` int(11) NOT NULL default '0',
@@ -1387,7 +1387,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using where 1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using where
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings: Warnings:
Note 1003 select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) from `test`.`t1`) Note 1003 /* select#1 */ select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`salary` = (/* select#2 */ select max(`test`.`t1`.`salary`) from `test`.`t1`)
drop table t1; drop table t1;
CREATE TABLE t1 ( CREATE TABLE t1 (
ID int(10) unsigned NOT NULL auto_increment, ID int(10) unsigned NOT NULL auto_increment,
@@ -1620,25 +1620,25 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1; explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1; explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1; explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Using where; Full scan on NULL key 2 SUBQUERY t2 index_subquery s1 s1 6 func 2 100.00 Using index; Using where; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where `test`.`t2`.`s1` < 'a2' having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<in_optimizer>(`test`.`t1`.`s1`,<exists>(<index_lookup>(<cache>(`test`.`t1`.`s1`) in t2 on s1 checking NULL where `test`.`t2`.`s1` < 'a2' having trigcond(`test`.`t2`.`s1` is null)))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1`
drop table t1,t2; drop table t1,t2;
create table t2 (a int, b int not null); create table t2 (a int, b int not null);
create table t3 (a int); create table t3 (a int);
@@ -1653,7 +1653,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2); select * from t3 where a >= some (select b from t2);
a a
explain extended select * from t3 where a >= some (select b from t2); explain extended select * from t3 where a >= some (select b from t2);
@@ -1661,7 +1661,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2 group by 1); select * from t3 where a >= all (select b from t2 group by 1);
a a
6 6
@@ -1672,7 +1672,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2 group by 1); select * from t3 where a >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where a >= some (select b from t2 group by 1); explain extended select * from t3 where a >= some (select b from t2 group by 1);
@@ -1680,7 +1680,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where NULL >= any (select b from t2); select * from t3 where NULL >= any (select b from t2);
a a
explain extended select * from t3 where NULL >= any (select b from t2); explain extended select * from t3 where NULL >= any (select b from t2);
@@ -1688,7 +1688,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= any (select b from t2 group by 1); select * from t3 where NULL >= any (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1); explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
@@ -1696,7 +1696,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= some (select b from t2); select * from t3 where NULL >= some (select b from t2);
a a
explain extended select * from t3 where NULL >= some (select b from t2); explain extended select * from t3 where NULL >= some (select b from t2);
@@ -1704,7 +1704,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= some (select b from t2 group by 1); select * from t3 where NULL >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1); explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
@@ -1712,7 +1712,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
insert into t2 values (2,2), (2,1), (3,3), (3,1); insert into t2 values (2,2), (2,1), (3,3), (3,1);
select * from t3 where a > all (select max(b) from t2 group by a); select * from t3 where a > all (select max(b) from t2 group by a);
a a
@@ -1723,7 +1723,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary 2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,<max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,<max>(/* select#2 */ select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`)))
drop table t2, t3; drop table t2, t3;
CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ; CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now()); INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
@@ -1774,7 +1774,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION t1 system NULL NULL NULL NULL 1 100.00 3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select 'e' AS `s1` from dual where 1 Note 1003 /* select#1 */ select 'e' AS `s1` from dual where 1
drop table t1; drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1; CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874'); INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
@@ -1893,14 +1893,14 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 12 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 12 100.00 Using where
2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index; Using where 2 DEPENDENT SUBQUERY t1 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index; Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where !<in_optimizer>(`test`.`t1`.`id`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`id`) in t1 on PRIMARY where `test`.`t1`.`id` < 8 and <cache>(`test`.`t1`.`id`) = `test`.`t1`.`id`))) Note 1003 /* select#1 */ select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where !<in_optimizer>(`test`.`t1`.`id`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`id`) in t1 on PRIMARY where `test`.`t1`.`id` < 8 and <cache>(`test`.`t1`.`id`) = `test`.`t1`.`id`)))
explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null); explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null);
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY tt ALL NULL NULL NULL NULL 12 100.00 Using where 1 PRIMARY tt ALL NULL NULL NULL NULL 12 100.00 Using where
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where !<in_optimizer>(1,exists(select `test`.`t1`.`id` from `test`.`t1` where `test`.`t1`.`id` < 8 and `test`.`t1`.`id` = `test`.`tt`.`id` having `test`.`t1`.`id` is not null)) Note 1003 /* select#1 */ select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where !<in_optimizer>(1,exists(/* select#2 */ select `test`.`t1`.`id` from `test`.`t1` where `test`.`t1`.`id` < 8 and `test`.`t1`.`id` = `test`.`tt`.`id` having `test`.`t1`.`id` is not null))
insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001'); insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
create table t2 (id int not null, text varchar(20) not null default '', primary key (id)); create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10'); insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
@@ -2984,7 +2984,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null))) AS `test` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(/* select#2 */ select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null))) AS `test` from `test`.`t1`
explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N'); explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
@@ -2997,7 +2997,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null))) AS `test` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),<exists>(/* select#2 */ select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' and trigcond(trigcond(<cache>(`test`.`t1`.`one`) = `test`.`t2`.`one` or `test`.`t2`.`one` is null)) and trigcond(trigcond(<cache>(`test`.`t1`.`two`) = `test`.`t2`.`two` or `test`.`t2`.`two` is null)) having trigcond(`test`.`t2`.`one` is null) and trigcond(`test`.`t2`.`two` is null))) AS `test` from `test`.`t1`
DROP TABLE t1,t2; DROP TABLE t1,t2;
set optimizer_switch=@tmp11867_optimizer_switch; set optimizer_switch=@tmp11867_optimizer_switch;
CREATE TABLE t1 (a char(5), b char(5)); CREATE TABLE t1 (a char(5), b char(5));
@@ -4254,7 +4254,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `res`.`count(*)` AS `count(*)` from (select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`a`) `res` Note 1003 /* select#1 */ select `res`.`count(*)` AS `count(*)` from (/* select#2 */ select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`a`) `res`
DROP TABLE t1; DROP TABLE t1;
CREATE TABLE t1 ( CREATE TABLE t1 (
a varchar(255) default NULL, a varchar(255) default NULL,
@@ -4463,7 +4463,7 @@ NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where exists((select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) union (select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`)) Note 1003 /* select#1 */ select 2 AS `2` from `test`.`t1` where exists((/* select#2 */ select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) union (/* select#3 */ select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`))
DROP TABLE t1,t2; DROP TABLE t1,t2;
create table t0(a int); create table t0(a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
@@ -4544,14 +4544,14 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary 2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary
Warnings: Warnings:
Note 1003 select 1 AS `1` from <materialize> (select min(`test`.`t1`.`a`) from `test`.`t1` group by `test`.`t1`.`a`) join `test`.`t1` where `<subquery2>`.`min(a)` = 1 Note 1003 /* select#1 */ select 1 AS `1` from <materialize> (/* select#2 */ select min(`test`.`t1`.`a`) from `test`.`t1` group by `test`.`t1`.`a`) join `test`.`t1` where `<subquery2>`.`min(a)` = 1
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 WHERE a > 3 GROUP BY a); EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 WHERE a > 3 GROUP BY a);
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> const distinct_key distinct_key 4 const 1 100.00 1 PRIMARY <subquery2> const distinct_key distinct_key 4 const 1 100.00
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary 2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary
Warnings: Warnings:
Note 1003 select 1 AS `1` from <materialize> (select min(`test`.`t1`.`a`) from `test`.`t1` where `test`.`t1`.`a` > 3 group by `test`.`t1`.`a`) join `test`.`t1` where `<subquery2>`.`min(a)` = 1 Note 1003 /* select#1 */ select 1 AS `1` from <materialize> (/* select#2 */ select min(`test`.`t1`.`a`) from `test`.`t1` where `test`.`t1`.`a` > 3 group by `test`.`t1`.`a`) join `test`.`t1` where `<subquery2>`.`min(a)` = 1
SET join_cache_level=@save_join_cache_level; SET join_cache_level=@save_join_cache_level;
DROP TABLE t1; DROP TABLE t1;
# #
@@ -4642,7 +4642,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1); SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
1 1
1 1

112
mysql-test/r/subselect_no_semijoin.result
View File

@@ -30,7 +30,7 @@ NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1249 Select 2 was reduced during optimization Note 1249 Select 2 was reduced during optimization
Note 1249 Select 4 was reduced during optimization Note 1249 Select 4 was reduced during optimization
Note 1003 select 1 AS `(SELECT 1)` union select 2 AS `(SELECT 2)` Note 1003 /* select#1 */ select 1 AS `(SELECT 1)` union /* select#3 */ select 2 AS `(SELECT 2)`
SELECT (SELECT (SELECT 0 UNION SELECT 0)); SELECT (SELECT (SELECT 0 UNION SELECT 0));
(SELECT (SELECT 0 UNION SELECT 0)) (SELECT (SELECT 0 UNION SELECT 0))
0 0
@@ -42,7 +42,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union3,4> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1249 Select 2 was reduced during optimization Note 1249 Select 2 was reduced during optimization
Note 1003 select (select 0 union select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))` Note 1003 /* select#1 */ select (/* select#3 */ select 0 union /* select#4 */ select 0) AS `(SELECT (SELECT 0 UNION SELECT 0))`
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a; SELECT (SELECT 1 FROM (SELECT 1) as b HAVING a=1) as a;
ERROR 42S22: Reference 'a' not supported (forward reference in item list) ERROR 42S22: Reference 'a' not supported (forward reference in item list)
SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b; SELECT (SELECT 1 FROM (SELECT 1) as b HAVING b=1) as a,(SELECT 1 FROM (SELECT 1) as c HAVING a=1) as b;
@@ -60,7 +60,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'b.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select 1 AS `1` from dual having (select 1) = 1 Note 1003 /* select#1 */ select 1 AS `1` from dual having (/* select#3 */ select 1) = 1
SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1; SELECT 1 FROM (SELECT 1 as a) as b HAVING (SELECT a)=1;
1 1
1 1
@@ -201,7 +201,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
4 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 4 SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00
NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union1,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`b` = (select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1)) union (select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where `test`.`t4`.`b` = (select max(`test`.`t2`.`a`) * 4 from `test`.`t2`)) Note 1003 (/* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`b` = (/* select#2 */ select `test`.`t3`.`a` from `test`.`t3` order by 1 desc limit 1)) union (/* select#3 */ select `test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b` from `test`.`t4` where `test`.`t4`.`b` = (/* select#4 */ select max(`test`.`t2`.`a`) * 4 from `test`.`t2`))
select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2; select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
(select a from t3 where a<t2.a*4 order by 1 desc limit 1) a (select a from t3 where a<t2.a*4 order by 1 desc limit 1) a
3 1 3 1
@@ -219,7 +219,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where 3 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using where
2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort 2 SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using filesort
Warnings: Warnings:
Note 1003 select (select `test`.`t3`.`a` from `test`.`t3` where `test`.`t3`.`a` < 8 order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`a` > 1) `tt` Note 1003 /* select#1 */ select (/* select#2 */ select `test`.`t3`.`a` from `test`.`t3` where `test`.`t3`.`a` < 8 order by 1 desc limit 1) AS `(select t3.a from t3 where a<8 order by 1 desc limit 1)`,`tt`.`a` AS `a` from (/* select#3 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` where `test`.`t2`.`a` > 1) `tt`
set optimizer_switch=@tmp_optimizer_switch; set optimizer_switch=@tmp_optimizer_switch;
select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1); select * from t1 where t1.a=(select t2.a from t2 where t2.b=(select max(a) from t3) order by 1 desc limit 1);
a a
@@ -241,7 +241,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t4.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t4`.`b` AS `b`,<expr_cache><`test`.`t4`.`a`>((select avg(`test`.`t2`.`a` + (select min(`test`.`t3`.`a`) from `test`.`t3` where `test`.`t3`.`a` >= `test`.`t4`.`a`)) from `test`.`t2`)) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4` Note 1003 /* select#1 */ select `test`.`t4`.`b` AS `b`,<expr_cache><`test`.`t4`.`a`>((/* select#2 */ select avg(`test`.`t2`.`a` + (/* select#3 */ select min(`test`.`t3`.`a`) from `test`.`t3` where `test`.`t3`.`a` >= `test`.`t4`.`a`)) from `test`.`t2`)) AS `(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2)` from `test`.`t4`
select * from t3 where exists (select * from t2 where t2.b=t3.a); select * from t3 where exists (select * from t2 where t2.b=t3.a);
a a
7 7
@@ -287,7 +287,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00 2 SUBQUERY t2 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(`test`.`t2`.`b`) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2); select * from t3 where a >= all (select b from t2);
a a
7 7
@@ -331,7 +331,7 @@ NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t2.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select <expr_cache><`test`.`t2`.`a`>((select 2 from dual where 2 = `test`.`t2`.`a` union select `test`.`t5`.`a` from `test`.`t5` where `test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2` Note 1003 /* select#1 */ select <expr_cache><`test`.`t2`.`a`>((/* select#2 */ select 2 from dual where 2 = `test`.`t2`.`a` union /* select#3 */ select `test`.`t5`.`a` from `test`.`t5` where `test`.`t5`.`a` = `test`.`t2`.`a`)) AS `(select a from t1 where t1.a=t2.a union select a from t5 where t5.a=t2.a)`,`test`.`t2`.`a` AS `a` from `test`.`t2`
select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2; select (select a from t1 where t1.a=t2.a union all select a from t5 where t5.a=t2.a), a from t2;
ERROR 21000: Subquery returns more than 1 row ERROR 21000: Subquery returns more than 1 row
create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq)); create table t6 (patient_uq int, clinic_uq int, index i1 (clinic_uq));
@@ -349,7 +349,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 MATERIALIZED t7 index PRIMARY PRIMARY 4 NULL 2 100.00 Using index 2 MATERIALIZED t7 index PRIMARY PRIMARY 4 NULL 2 100.00 Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where <expr_cache><`test`.`t6`.`clinic_uq`>(<in_optimizer>(`test`.`t6`.`clinic_uq`,`test`.`t6`.`clinic_uq` in ( <materialize> (select `test`.`t7`.`uq` from `test`.`t7` where 1 ), <primary_index_lookup>(`test`.`t6`.`clinic_uq` in <temporary table> on distinct_key where `test`.`t6`.`clinic_uq` = `<subquery2>`.`uq`)))) Note 1003 /* select#1 */ select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where <expr_cache><`test`.`t6`.`clinic_uq`>(<in_optimizer>(`test`.`t6`.`clinic_uq`,`test`.`t6`.`clinic_uq` in ( <materialize> (/* select#2 */ select `test`.`t7`.`uq` from `test`.`t7` where 1 ), <primary_index_lookup>(`test`.`t6`.`clinic_uq` in <temporary table> on distinct_key where `test`.`t6`.`clinic_uq` = `<subquery2>`.`uq`))))
select * from t1 where a= (select a from t2,t4 where t2.b=t4.b); select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
ERROR 23000: Column 'a' in field list is ambiguous ERROR 23000: Column 'a' in field list is ambiguous
drop table t1,t2,t3; drop table t1,t2,t3;
@@ -384,7 +384,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 2 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00
3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index 3 SUBQUERY t8 const PRIMARY PRIMARY 37 const 1 100.00 Using index
Warnings: Warnings:
Note 1003 select 'joce' AS `pseudo`,(select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1 Note 1003 /* select#1 */ select 'joce' AS `pseudo`,(/* select#2 */ select 'test' from `test`.`t8` where 1) AS `(SELECT email FROM t8 WHERE pseudo=(SELECT pseudo FROM t8 WHERE pseudo='joce'))` from `test`.`t8` where 1
SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM SELECT pseudo FROM t8 WHERE pseudo=(SELECT pseudo,email FROM
t8 WHERE pseudo='joce'); t8 WHERE pseudo='joce');
ERROR 21000: Operand should contain 1 column(s) ERROR 21000: Operand should contain 1 column(s)
@@ -416,7 +416,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY t1 index NULL PRIMARY 43 NULL 2 100.00 Using where; Using index 2 SUBQUERY t1 index NULL PRIMARY 43 NULL 2 100.00 Using where; Using index
Warnings: Warnings:
Note 1003 select (select distinct `test`.`t1`.`date` from `test`.`t1` where `test`.`t1`.`date` = DATE'2002-08-03') AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')` Note 1003 /* select#1 */ select (/* select#2 */ select distinct `test`.`t1`.`date` from `test`.`t1` where `test`.`t1`.`date` = DATE'2002-08-03') AS `(SELECT DISTINCT date FROM t1 WHERE date='2002-08-03')`
SELECT DISTINCT date FROM t1 WHERE date='2002-08-03'; SELECT DISTINCT date FROM t1 WHERE date='2002-08-03';
date date
2002-08-03 2002-08-03
@@ -437,7 +437,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used 3 UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 1
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`numeropost` mediumint(8) unsigned NOT NULL auto_increment, `numeropost` mediumint(8) unsigned NOT NULL auto_increment,
@@ -569,7 +569,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index 1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 100.00 Using index
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings: Warnings:
Note 1003 select 3 AS `numreponse` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 3 AS `numreponse` from `test`.`t1` where 1
drop table t1; drop table t1;
CREATE TABLE t1 (a int(1)); CREATE TABLE t1 (a int(1));
INSERT INTO t1 VALUES (1); INSERT INTO t1 VALUES (1);
@@ -766,7 +766,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used 3 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select `test`.`t2`.`id` AS `id` from `test`.`t2` where <expr_cache><`test`.`t2`.`id`>(<in_optimizer>(`test`.`t2`.`id`,<exists>(select 1 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(1) union select 3 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(3)))) Note 1003 /* select#1 */ select `test`.`t2`.`id` AS `id` from `test`.`t2` where <expr_cache><`test`.`t2`.`id`>(<in_optimizer>(`test`.`t2`.`id`,<exists>(/* select#2 */ select 1 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(1) union /* select#3 */ select 3 having <cache>(`test`.`t2`.`id`) = <ref_null_helper>(3))))
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3); SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 3);
id id
SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2); SELECT * FROM t2 WHERE id IN (SELECT 5 UNION SELECT 2);
@@ -914,7 +914,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index 1 PRIMARY t1 index NULL PRIMARY 4 NULL 4 100.00 Using index
2 MATERIALIZED t2 index a a 5 NULL 3 100.00 Using index 2 MATERIALIZED t2 index a a 5 NULL 3 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`a` from `test`.`t2` ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`a`)))) AS `t1.a in (select t2.a from t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `test`.`t2`.`a` from `test`.`t2` ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`a`)))) AS `t1.a in (select t2.a from t2)` from `test`.`t1`
CREATE TABLE t3 (a int(11) default '0'); CREATE TABLE t3 (a int(11) default '0');
INSERT INTO t3 VALUES (1),(2),(3); INSERT INTO t3 VALUES (1),(2),(3);
SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1; SELECT t1.a, t1.a in (select t2.a from t2,t3 where t3.a=t2.a) FROM t1;
@@ -929,7 +929,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 MATERIALIZED t2 index a a 5 NULL 3 100.00 Using index 2 MATERIALIZED t2 index a a 5 NULL 3 100.00 Using index
2 MATERIALIZED t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) 2 MATERIALIZED t3 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where `test`.`t3`.`a` = `test`.`t2`.`a` ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`a`)))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `test`.`t2`.`a` from `test`.`t2` join `test`.`t3` where `test`.`t3`.`a` = `test`.`t2`.`a` ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`a`)))) AS `t1.a in (select t2.a from t2,t3 where t3.a=t2.a)` from `test`.`t1`
drop table t1,t2,t3; drop table t1,t2,t3;
# check correct NULL Processing for normal IN/ALL/ANY # check correct NULL Processing for normal IN/ALL/ANY
# and 2 ways of max/min optimization # and 2 ways of max/min optimization
@@ -1168,19 +1168,19 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select rand() from `test`.`t1`) AS `(SELECT RAND() FROM t1)` from `test`.`t1`
EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1; EXPLAIN EXTENDED SELECT (SELECT ENCRYPT('test') FROM t1) FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select encrypt('test') from `test`.`t1`) AS `(SELECT ENCRYPT('test') FROM t1)` from `test`.`t1`
EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1; EXPLAIN EXTENDED SELECT (SELECT BENCHMARK(1,1) FROM t1) FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found 1 PRIMARY t1 system NULL NULL NULL NULL 0 0.00 const row not found
2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNCACHEABLE SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select (select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1` Note 1003 /* select#1 */ select (/* select#2 */ select benchmark(1,1) from `test`.`t1`) AS `(SELECT BENCHMARK(1,1) FROM t1)` from `test`.`t1`
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`mot` varchar(30) character set latin1 NOT NULL default '', `mot` varchar(30) character set latin1 NOT NULL default '',
@@ -1275,7 +1275,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 2 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00
3 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 3 UNCACHEABLE SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,(select (select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1) from t1 limit 1)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,(/* select#2 */ select (/* select#3 */ select rand() from `test`.`t1` limit 1) from `test`.`t1` limit 1) AS `(select (select rand() from t1 limit 1) from t1 limit 1)` from `test`.`t1`
drop table t1; drop table t1;
select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent); select t1.Continent, t2.Name, t2.Population from t1 LEFT JOIN t2 ON t1.Code = t2.Country where t2.Population IN (select max(t2.Population) AS Population from t2, t1 where t2.Country = t1.Code group by Continent);
ERROR 42S02: Table 'test.t1' doesn't exist ERROR 42S02: Table 'test.t1' doesn't exist
@@ -1329,7 +1329,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings: Warnings:
Note 1003 select <in_optimizer>(0,<exists>(select 1 from dual where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)` Note 1003 /* select#1 */ select <in_optimizer>(0,<exists>(/* select#2 */ select 1 from dual where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)`
INSERT INTO t1 (pseudo) VALUES ('test1'); INSERT INTO t1 (pseudo) VALUES ('test1');
SELECT 0 IN (SELECT 1 FROM t1 a); SELECT 0 IN (SELECT 1 FROM t1 a);
0 IN (SELECT 1 FROM t1 a) 0 IN (SELECT 1 FROM t1 a)
@@ -1339,7 +1339,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
Warnings: Warnings:
Note 1003 select <in_optimizer>(0,<exists>(select 1 from `test`.`t1` `a` where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)` Note 1003 /* select#1 */ select <in_optimizer>(0,<exists>(/* select#2 */ select 1 from `test`.`t1` `a` where 0 = 1)) AS `0 IN (SELECT 1 FROM t1 a)`
drop table t1; drop table t1;
CREATE TABLE `t1` ( CREATE TABLE `t1` (
`i` int(11) NOT NULL default '0', `i` int(11) NOT NULL default '0',
@@ -1384,7 +1384,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using where 1 PRIMARY t1 ref salary salary 5 const 1 100.00 Using where
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings: Warnings:
Note 1003 select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`salary` = (select max(`test`.`t1`.`salary`) from `test`.`t1`) Note 1003 /* select#1 */ select `test`.`t1`.`id` AS `id` from `test`.`t1` where `test`.`t1`.`salary` = (/* select#2 */ select max(`test`.`t1`.`salary`) from `test`.`t1`)
drop table t1; drop table t1;
CREATE TABLE t1 ( CREATE TABLE t1 (
ID int(10) unsigned NOT NULL auto_increment, ID int(10) unsigned NOT NULL auto_increment,
@@ -1446,7 +1446,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 100.00 Using where; Using index 1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 100.00 Using where; Using index
2 MATERIALIZED t1 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index 2 MATERIALIZED t1 index PRIMARY PRIMARY 4 NULL 4 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` from `test`.`t1` ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where `test`.`t2`.`a` = `<subquery2>`.`a`)))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where `test`.`t2`.`a` = `<subquery2>`.`a`))))
select * from t2 where t2.a in (select a from t1 where t1.b <> 30); select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
a a
2 2
@@ -1456,7 +1456,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 100.00 Using where; Using index 1 PRIMARY t2 index NULL PRIMARY 4 NULL 4 100.00 Using where; Using index
2 MATERIALIZED t1 ALL PRIMARY NULL NULL NULL 4 100.00 Using where 2 MATERIALIZED t1 ALL PRIMARY NULL NULL NULL 4 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` from `test`.`t1` where `test`.`t1`.`b` <> 30 ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where `test`.`t2`.`a` = `<subquery2>`.`a`)))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` where `test`.`t1`.`b` <> 30 ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where `test`.`t2`.`a` = `<subquery2>`.`a`))))
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a); select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
a a
2 2
@@ -1467,7 +1467,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 MATERIALIZED t3 index PRIMARY PRIMARY 4 NULL 3 100.00 Using index 2 MATERIALIZED t3 index PRIMARY PRIMARY 4 NULL 3 100.00 Using index
2 MATERIALIZED t1 ALL PRIMARY NULL NULL NULL 4 100.00 Using where; Using join buffer (flat, BNL join) 2 MATERIALIZED t1 ALL PRIMARY NULL NULL NULL 4 100.00 Using where; Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`a` ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where `test`.`t2`.`a` = `<subquery2>`.`a`)))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,`test`.`t2`.`a` in ( <materialize> (/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`a` ), <primary_index_lookup>(`test`.`t2`.`a` in <temporary table> on distinct_key where `test`.`t2`.`a` = `<subquery2>`.`a`))))
drop table t1, t2, t3; drop table t1, t2, t3;
create table t1 (a int, b int, index a (a,b)); create table t1 (a int, b int, index a (a,b));
create table t2 (a int, index a (a)); create table t2 (a int, index a (a));
@@ -1489,7 +1489,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index 1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 100.00 Using index 2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a)))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a))))
select * from t2 where t2.a in (select a from t1 where t1.b <> 30); select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
a a
2 2
@@ -1499,7 +1499,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index 1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 100.00 Using index; Using where 2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 100.00 Using index; Using where
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a where `test`.`t1`.`b` <> 30 and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a where `test`.`t1`.`b` <> 30 and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))))
select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a); select * from t2 where t2.a in (select t1.a from t1,t3 where t1.b=t3.a);
a a
2 2
@@ -1510,7 +1510,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t3 index a a 5 NULL 3 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t3 index a a 5 NULL 3 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 ref a a 10 func,test.t3.a 1167 100.00 Using index 2 DEPENDENT SUBQUERY t1 ref a a 10 func,test.t3.a 1167 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`a` and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` join `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`a` and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)))
insert into t1 values (3,31); insert into t1 values (3,31);
select * from t2 where t2.a in (select a from t1 where t1.b <> 30); select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
a a
@@ -1526,7 +1526,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index 1 PRIMARY t2 index NULL a 5 NULL 4 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 100.00 Using index; Using where 2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 1001 100.00 Using index; Using where
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a where `test`.`t1`.`b` <> 30 and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`)))) Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a where `test`.`t1`.`b` <> 30 and <cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`))))
drop table t0, t1, t2, t3; drop table t0, t1, t2, t3;
create table t1 (a int, b int); create table t1 (a int, b int);
create table t2 (a int, b int); create table t2 (a int, b int);
@@ -1617,25 +1617,25 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 MATERIALIZED t2 index s1 s1 6 NULL 2 100.00 Using index 2 MATERIALIZED t2 index s1 s1 6 NULL 2 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,`test`.`t1`.`s1` in ( <materialize> (select `test`.`t2`.`s1` from `test`.`t2` ), <primary_index_lookup>(`test`.`t1`.`s1` in <temporary table> on distinct_key where `test`.`t1`.`s1` = `<subquery2>`.`s1`)))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,`test`.`t1`.`s1` in ( <materialize> (/* select#2 */ select `test`.`t2`.`s1` from `test`.`t2` ), <primary_index_lookup>(`test`.`t1`.`s1` in <temporary table> on distinct_key where `test`.`t1`.`s1` = `<subquery2>`.`s1`)))) AS `s1 NOT IN (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1; explain extended select s1, s1 = ANY (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 MATERIALIZED t2 index s1 s1 6 NULL 2 100.00 Using index 2 MATERIALIZED t2 index s1 s1 6 NULL 2 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,`test`.`t1`.`s1` in ( <materialize> (select `test`.`t2`.`s1` from `test`.`t2` ), <primary_index_lookup>(`test`.`t1`.`s1` in <temporary table> on distinct_key where `test`.`t1`.`s1` = `<subquery2>`.`s1`)))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,`test`.`t1`.`s1` in ( <materialize> (/* select#2 */ select `test`.`t2`.`s1` from `test`.`t2` ), <primary_index_lookup>(`test`.`t1`.`s1` in <temporary table> on distinct_key where `test`.`t1`.`s1` = `<subquery2>`.`s1`)))) AS `s1 = ANY (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1; explain extended select s1, s1 <> ALL (SELECT s1 FROM t2) from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 MATERIALIZED t2 index s1 s1 6 NULL 2 100.00 Using index 2 MATERIALIZED t2 index s1 s1 6 NULL 2 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,`test`.`t1`.`s1` in ( <materialize> (select `test`.`t2`.`s1` from `test`.`t2` ), <primary_index_lookup>(`test`.`t1`.`s1` in <temporary table> on distinct_key where `test`.`t1`.`s1` = `<subquery2>`.`s1`)))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,`test`.`t1`.`s1` in ( <materialize> (/* select#2 */ select `test`.`t2`.`s1` from `test`.`t2` ), <primary_index_lookup>(`test`.`t1`.`s1` in <temporary table> on distinct_key where `test`.`t1`.`s1` = `<subquery2>`.`s1`)))) AS `s1 <> ALL (SELECT s1 FROM t2)` from `test`.`t1`
explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1; explain extended select s1, s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2') from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index 1 PRIMARY t1 index NULL s1 6 NULL 3 100.00 Using index
2 MATERIALIZED t2 index s1 s1 6 NULL 2 50.00 Using where; Using index 2 MATERIALIZED t2 index s1 s1 6 NULL 2 50.00 Using where; Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,`test`.`t1`.`s1` in ( <materialize> (select `test`.`t2`.`s1` from `test`.`t2` where `test`.`t2`.`s1` < 'a2' ), <primary_index_lookup>(`test`.`t1`.`s1` in <temporary table> on distinct_key where `test`.`t1`.`s1` = `<subquery2>`.`s1`)))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`s1` AS `s1`,!<expr_cache><`test`.`t1`.`s1`>(<in_optimizer>(`test`.`t1`.`s1`,`test`.`t1`.`s1` in ( <materialize> (/* select#2 */ select `test`.`t2`.`s1` from `test`.`t2` where `test`.`t2`.`s1` < 'a2' ), <primary_index_lookup>(`test`.`t1`.`s1` in <temporary table> on distinct_key where `test`.`t1`.`s1` = `<subquery2>`.`s1`)))) AS `s1 NOT IN (SELECT s1 FROM t2 WHERE s1 < 'a2')` from `test`.`t1`
drop table t1,t2; drop table t1,t2;
create table t2 (a int, b int not null); create table t2 (a int, b int not null);
create table t3 (a int); create table t3 (a int);
@@ -1650,7 +1650,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2); select * from t3 where a >= some (select b from t2);
a a
explain extended select * from t3 where a >= some (select b from t2); explain extended select * from t3 where a >= some (select b from t2);
@@ -1658,7 +1658,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= all (select b from t2 group by 1); select * from t3 where a >= all (select b from t2 group by 1);
a a
6 6
@@ -1669,7 +1669,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select max(NULL) from `test`.`t2`) > <cache>(`test`.`t3`.`a`)))
select * from t3 where a >= some (select b from t2 group by 1); select * from t3 where a >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where a >= some (select b from t2 group by 1); explain extended select * from t3 where a >= some (select b from t2 group by 1);
@@ -1677,7 +1677,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found 2 SUBQUERY t2 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <nop>(<in_optimizer>(`test`.`t3`.`a`,(/* select#2 */ select min(NULL) from `test`.`t2`) <= <cache>(`test`.`t3`.`a`)))
select * from t3 where NULL >= any (select b from t2); select * from t3 where NULL >= any (select b from t2);
a a
explain extended select * from t3 where NULL >= any (select b from t2); explain extended select * from t3 where NULL >= any (select b from t2);
@@ -1685,7 +1685,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= any (select b from t2 group by 1); select * from t3 where NULL >= any (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= any (select b from t2 group by 1); explain extended select * from t3 where NULL >= any (select b from t2 group by 1);
@@ -1693,7 +1693,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= some (select b from t2); select * from t3 where NULL >= some (select b from t2);
a a
explain extended select * from t3 where NULL >= some (select b from t2); explain extended select * from t3 where NULL >= some (select b from t2);
@@ -1701,7 +1701,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
select * from t3 where NULL >= some (select b from t2 group by 1); select * from t3 where NULL >= some (select b from t2 group by 1);
a a
explain extended select * from t3 where NULL >= some (select b from t2 group by 1); explain extended select * from t3 where NULL >= some (select b from t2 group by 1);
@@ -1709,7 +1709,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table 2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL no matching row in const table
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0 Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where 0
insert into t2 values (2,2), (2,1), (3,3), (3,1); insert into t2 values (2,2), (2,1), (3,3), (3,1);
select * from t3 where a > all (select max(b) from t2 group by a); select * from t3 where a > all (select max(b) from t2 group by a);
a a
@@ -1720,7 +1720,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00 Using where
2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary 2 SUBQUERY t2 ALL NULL NULL NULL NULL 4 100.00 Using temporary
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,<max>(select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`))) Note 1003 /* select#1 */ select `test`.`t3`.`a` AS `a` from `test`.`t3` where <not>(<in_optimizer>(`test`.`t3`.`a`,<max>(/* select#2 */ select max(`test`.`t2`.`b`) from `test`.`t2` group by `test`.`t2`.`a`) >= <cache>(`test`.`t3`.`a`)))
drop table t2, t3; drop table t2, t3;
CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ; CREATE TABLE `t1` ( `id` mediumint(9) NOT NULL auto_increment, `taskid` bigint(20) NOT NULL default '0', `dbid` int(11) NOT NULL default '0', `create_date` datetime NOT NULL default '0000-00-00 00:00:00', `last_update` datetime NOT NULL default '0000-00-00 00:00:00', PRIMARY KEY (`id`)) ENGINE=MyISAM CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now()); INSERT INTO `t1` (`id`, `taskid`, `dbid`, `create_date`,`last_update`) VALUES (1, 1, 15, '2003-09-29 10:31:36', '2003-09-29 10:31:36'), (2, 1, 21, now(), now());
@@ -1771,7 +1771,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 UNION t1 system NULL NULL NULL NULL 1 100.00 3 UNION t1 system NULL NULL NULL NULL 1 100.00
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select 'e' AS `s1` from dual where 1 Note 1003 /* select#1 */ select 'e' AS `s1` from dual where 1
drop table t1; drop table t1;
CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1; CREATE TABLE t1 (number char(11) NOT NULL default '') ENGINE=MyISAM CHARSET=latin1;
INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874'); INSERT INTO t1 VALUES ('69294728265'),('18621828126'),('89356874041'),('95895001874');
@@ -1890,14 +1890,14 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 12 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 12 100.00 Using where
2 MATERIALIZED t1 range PRIMARY PRIMARY 4 NULL 7 100.00 Using where; Using index 2 MATERIALIZED t1 range PRIMARY PRIMARY 4 NULL 7 100.00 Using where; Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where !<expr_cache><`test`.`t1`.`id`>(<in_optimizer>(`test`.`t1`.`id`,`test`.`t1`.`id` in ( <materialize> (select `test`.`t1`.`id` from `test`.`t1` where `test`.`t1`.`id` < 8 ), <primary_index_lookup>(`test`.`t1`.`id` in <temporary table> on distinct_key where `test`.`t1`.`id` = `<subquery2>`.`id`)))) Note 1003 /* select#1 */ select `test`.`t1`.`id` AS `id`,`test`.`t1`.`text` AS `text` from `test`.`t1` where !<expr_cache><`test`.`t1`.`id`>(<in_optimizer>(`test`.`t1`.`id`,`test`.`t1`.`id` in ( <materialize> (/* select#2 */ select `test`.`t1`.`id` from `test`.`t1` where `test`.`t1`.`id` < 8 ), <primary_index_lookup>(`test`.`t1`.`id` in <temporary table> on distinct_key where `test`.`t1`.`id` = `<subquery2>`.`id`))))
explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null); explain extended select * from t1 as tt where not exists (select id from t1 where id < 8 and (id = tt.id or id is null) having id is not null);
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY tt ALL NULL NULL NULL NULL 12 100.00 Using where 1 PRIMARY tt ALL NULL NULL NULL NULL 12 100.00 Using where
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index 2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where !<in_optimizer>(1,<expr_cache><`test`.`tt`.`id`>(exists(select `test`.`t1`.`id` from `test`.`t1` where `test`.`t1`.`id` < 8 and `test`.`t1`.`id` = `test`.`tt`.`id` having `test`.`t1`.`id` is not null))) Note 1003 /* select#1 */ select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where !<in_optimizer>(1,<expr_cache><`test`.`tt`.`id`>(exists(/* select#2 */ select `test`.`t1`.`id` from `test`.`t1` where `test`.`t1`.`id` < 8 and `test`.`t1`.`id` = `test`.`tt`.`id` having `test`.`t1`.`id` is not null)))
insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001'); insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
create table t2 (id int not null, text varchar(20) not null default '', primary key (id)); create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10'); insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
@@ -2433,7 +2433,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00 2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00
Warnings: Warnings:
Note 1276 Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where <expr_cache><`test`.`up`.`a`>(<in_optimizer>(`test`.`up`.`a`,`test`.`up`.`a` in ( <materialize> (select `test`.`t1`.`a` from `test`.`t1` where 1 ), <primary_index_lookup>(`test`.`up`.`a` in <temporary table> on distinct_key where `test`.`up`.`a` = `<subquery2>`.`a`)))) Note 1003 /* select#1 */ select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where <expr_cache><`test`.`up`.`a`>(<in_optimizer>(`test`.`up`.`a`,`test`.`up`.`a` in ( <materialize> (/* select#2 */ select `test`.`t1`.`a` from `test`.`t1` where 1 ), <primary_index_lookup>(`test`.`up`.`a` in <temporary table> on distinct_key where `test`.`up`.`a` = `<subquery2>`.`a`))))
drop table t1; drop table t1;
CREATE TABLE t1 (t1_a int); CREATE TABLE t1 (t1_a int);
INSERT INTO t1 VALUES (1); INSERT INTO t1 VALUES (1);
@@ -2980,19 +2980,19 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),(`test`.`t1`.`one`,`test`.`t1`.`two`) in ( <materialize> (select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' ), <primary_index_lookup>(`test`.`t1`.`one` in <temporary table> on distinct_key where `test`.`t1`.`one` = `<subquery2>`.`one` and `test`.`t1`.`two` = `<subquery2>`.`two`)))) AS `test` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),(`test`.`t1`.`one`,`test`.`t1`.`two`) in ( <materialize> (/* select#2 */ select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' ), <primary_index_lookup>(`test`.`t1`.`one` in <temporary table> on distinct_key where `test`.`t1`.`one` = `<subquery2>`.`one` and `test`.`t1`.`two` = `<subquery2>`.`two`)))) AS `test` from `test`.`t1`
explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N'); explain extended SELECT one,two from t1 where ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = 'N');
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 Using where
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` where <expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),(`test`.`t1`.`one`,`test`.`t1`.`two`) in ( <materialize> (select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = 'N' ), <primary_index_lookup>(`test`.`t1`.`one` in <temporary table> on distinct_key where `test`.`t1`.`one` = `<subquery2>`.`one` and `test`.`t1`.`two` = `<subquery2>`.`two`)))) Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` where <expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),(`test`.`t1`.`one`,`test`.`t1`.`two`) in ( <materialize> (/* select#2 */ select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = 'N' ), <primary_index_lookup>(`test`.`t1`.`one` in <temporary table> on distinct_key where `test`.`t1`.`one` = `<subquery2>`.`one` and `test`.`t1`.`two` = `<subquery2>`.`two`))))
explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1; explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),(`test`.`t1`.`one`,`test`.`t1`.`two`) in ( <materialize> (select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' ), <primary_index_lookup>(`test`.`t1`.`one` in <temporary table> on distinct_key where `test`.`t1`.`one` = `<subquery2>`.`one` and `test`.`t1`.`two` = `<subquery2>`.`two`)))) AS `test` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two`,<expr_cache><`test`.`t1`.`one`,`test`.`t1`.`two`>(<in_optimizer>((`test`.`t1`.`one`,`test`.`t1`.`two`),(`test`.`t1`.`one`,`test`.`t1`.`two`) in ( <materialize> (/* select#2 */ select `test`.`t2`.`one`,`test`.`t2`.`two` from `test`.`t2` where `test`.`t2`.`flag` = '0' ), <primary_index_lookup>(`test`.`t1`.`one` in <temporary table> on distinct_key where `test`.`t1`.`one` = `<subquery2>`.`one` and `test`.`t1`.`two` = `<subquery2>`.`two`)))) AS `test` from `test`.`t1`
DROP TABLE t1,t2; DROP TABLE t1,t2;
set optimizer_switch=@tmp11867_optimizer_switch; set optimizer_switch=@tmp11867_optimizer_switch;
CREATE TABLE t1 (a char(5), b char(5)); CREATE TABLE t1 (a char(5), b char(5));
@@ -4247,7 +4247,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort 2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
Warnings: Warnings:
Note 1003 select `res`.`count(*)` AS `count(*)` from (select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`a`) `res` Note 1003 /* select#1 */ select `res`.`count(*)` AS `count(*)` from (/* select#2 */ select count(0) AS `count(*)` from `test`.`t1` group by `test`.`t1`.`a`) `res`
DROP TABLE t1; DROP TABLE t1;
CREATE TABLE t1 ( CREATE TABLE t1 (
a varchar(255) default NULL, a varchar(255) default NULL,
@@ -4443,7 +4443,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`a` from `test`.`t2` where 1 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`a`)))) Note 1003 /* select#1 */ select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `test`.`t2`.`a` from `test`.`t2` where 1 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`a`))))
EXPLAIN EXTENDED EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a) UNION SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a) UNION
(SELECT 1 FROM t2 WHERE t1.a = t2.a)); (SELECT 1 FROM t2 WHERE t1.a = t2.a));
@@ -4455,7 +4455,7 @@ NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists((select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) union (select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`))) Note 1003 /* select#1 */ select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists((/* select#2 */ select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) union (/* select#3 */ select 1 from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`)))
DROP TABLE t1,t2; DROP TABLE t1,t2;
create table t0(a int); create table t0(a int);
insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
@@ -4535,13 +4535,13 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary 2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 1
EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 WHERE a > 3 GROUP BY a); EXPLAIN EXTENDED SELECT 1 FROM t1 WHERE 1 IN (SELECT min(a) FROM t1 WHERE a > 3 GROUP BY a);
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE 1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary 2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; Using temporary
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 0 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 0
SET join_cache_level=@save_join_cache_level; SET join_cache_level=@save_join_cache_level;
DROP TABLE t1; DROP TABLE t1;
# #
@@ -4632,7 +4632,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 2 SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00
Warnings: Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` where 1 Note 1003 /* select#1 */ select 1 AS `1` from `test`.`t1` where 1
SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1); SELECT 1 FROM t1 WHERE 1 < SOME (SELECT a1 FROM t1);
1 1
1 1

2
mysql-test/r/subselect_partial_match.result
View File

@@ -775,7 +775,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using where 2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using where
3 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00 3 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00
Warnings: Warnings:
Note 1003 select `table1`.`a1` AS `a1`,`table1`.`a2` AS `a2` from (select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where !<in_optimizer>(`test`.`t1`.`a1`,`test`.`t1`.`a1` in ( <materialize> (select `test`.`t2`.`b2` from `test`.`t2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery3>`.`b2`)))) `table1` Note 1003 /* select#1 */ select `table1`.`a1` AS `a1`,`table1`.`a2` AS `a2` from (/* select#2 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where !<in_optimizer>(`test`.`t1`.`a1`,`test`.`t1`.`a1` in ( <materialize> (/* select#3 */ select `test`.`t2`.`b2` from `test`.`t2` ), <primary_index_lookup>(`test`.`t1`.`a1` in <temporary table> on distinct_key where `test`.`t1`.`a1` = `<subquery3>`.`b2`)))) `table1`
set optimizer_switch=@tmp_optimizer_switch; set optimizer_switch=@tmp_optimizer_switch;
DROP TABLE t1, t2; DROP TABLE t1, t2;
# #

8
mysql-test/r/subselect_sj.result
View File

@@ -84,7 +84,7 @@ id select_type tABle type possiBle_keys key key_len ref rows filtered ExtrA
1 PRIMARY B ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY B ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t10 index PRIMARY PRIMARY 4 NULL 10 100.00 Using index 2 MATERIALIZED t10 index PRIMARY PRIMARY 4 NULL 10 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`A`.`A` AS `A`,`test`.`A`.`B` AS `B`,`test`.`B`.`A` AS `A`,`test`.`B`.`B` AS `B` from `test`.`t1` left join (`test`.`t2` `A` join `test`.`t2` `B`) on(`test`.`A`.`A` = `test`.`t1`.`A` And <in_optimizer>(`test`.`B`.`A`,`test`.`B`.`A` in ( <mAteriAlize> (select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`B`.`A` in <temporAry tABle> on distinct_key where `test`.`B`.`A` = `<suBquery2>`.`pk`)))) where 1 Note 1003 /* select#1 */ select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`A`.`A` AS `A`,`test`.`A`.`B` AS `B`,`test`.`B`.`A` AS `A`,`test`.`B`.`B` AS `B` from `test`.`t1` left join (`test`.`t2` `A` join `test`.`t2` `B`) on(`test`.`A`.`A` = `test`.`t1`.`A` And <in_optimizer>(`test`.`B`.`A`,`test`.`B`.`A` in ( <mAteriAlize> (/* select#2 */ select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`B`.`A` in <temporAry tABle> on distinct_key where `test`.`B`.`A` = `<suBquery2>`.`pk`)))) where 1
t2 should be wrapped into OJ-nest, so we have "t1 LJ (t2 J t10)" t2 should be wrapped into OJ-nest, so we have "t1 LJ (t2 J t10)"
explAin extended explAin extended
select * from t1 left join t2 on (t2.A= t1.A And t2.A in (select pk from t10)); select * from t1 left join t2 on (t2.A= t1.A And t2.A in (select pk from t10));
@@ -93,7 +93,7 @@ id select_type tABle type possiBle_keys key key_len ref rows filtered ExtrA
1 PRIMARY t2 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t2 ALL NULL NULL NULL NULL 3 100.00 Using where
2 MATERIALIZED t10 index PRIMARY PRIMARY 4 NULL 10 100.00 Using index 2 MATERIALIZED t10 index PRIMARY PRIMARY 4 NULL 10 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`t2`.`A` AS `A`,`test`.`t2`.`B` AS `B` from `test`.`t1` left join `test`.`t2` on(`test`.`t2`.`A` = `test`.`t1`.`A` And <in_optimizer>(`test`.`t1`.`A`,`test`.`t1`.`A` in ( <mAteriAlize> (select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`t1`.`A` in <temporAry tABle> on distinct_key where `test`.`t1`.`A` = `<suBquery2>`.`pk`)))) where 1 Note 1003 /* select#1 */ select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`t2`.`A` AS `A`,`test`.`t2`.`B` AS `B` from `test`.`t1` left join `test`.`t2` on(`test`.`t2`.`A` = `test`.`t1`.`A` And <in_optimizer>(`test`.`t1`.`A`,`test`.`t1`.`A` in ( <mAteriAlize> (/* select#2 */ select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`t1`.`A` in <temporAry tABle> on distinct_key where `test`.`t1`.`A` = `<suBquery2>`.`pk`)))) where 1
set join_buffer_size=8*1024; set join_buffer_size=8*1024;
we shouldn't flatten if we're going to get a join of > MAX_TABLES. we shouldn't flatten if we're going to get a join of > MAX_TABLES.
explain select * from explain select * from
@@ -767,11 +767,11 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where 3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where `test`.`t2`.`c` = `test`.`t1`.`a` and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` from `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`e` and <cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where `test`.`t2`.`c` = `test`.`t1`.`a` and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(/* select#3 */ select `test`.`t3`.`e` from `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`e` and <cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`))))
show warnings; show warnings;
Level Code Message Level Code Message
Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where `test`.`t2`.`c` = `test`.`t1`.`a` and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` from `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`e` and <cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where `test`.`t2`.`c` = `test`.`t1`.`a` and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(/* select#3 */ select `test`.`t3`.`e` from `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`e` and <cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`))))
select a from t1 select a from t1
where a in (select c from t2 where d >= some(select e from t3 where b=e)); where a in (select c from t2 where d >= some(select e from t3 where b=e));
a a

2
mysql-test/r/subselect_sj2_mat.result
View File

@@ -1588,7 +1588,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00
2 DEPENDENT SUBQUERY t3 hash_ALL NULL #hash#$hj 5 func 3 100.00 Using where; Using join buffer (flat, BNLH join) 2 DEPENDENT SUBQUERY t3 hash_ALL NULL #hash#$hj 5 func 3 100.00 Using where; Using join buffer (flat, BNLH join)
Warnings: Warnings:
Note 1003 select `test`.`t1`.`i1` AS `i1` from `test`.`t1` where <expr_cache><`test`.`t1`.`i1`>(<in_optimizer>(`test`.`t1`.`i1`,<exists>(select `test`.`t3`.`i3` from `test`.`t2` join `test`.`t3` where `test`.`t3`.`i3` = `test`.`t2`.`i2` and <cache>(`test`.`t1`.`i1`) = `test`.`t3`.`i3`))) Note 1003 /* select#1 */ select `test`.`t1`.`i1` AS `i1` from `test`.`t1` where <expr_cache><`test`.`t1`.`i1`>(<in_optimizer>(`test`.`t1`.`i1`,<exists>(/* select#2 */ select `test`.`t3`.`i3` from `test`.`t2` join `test`.`t3` where `test`.`t3`.`i3` = `test`.`t2`.`i2` and <cache>(`test`.`t1`.`i1`) = `test`.`t3`.`i3`)))
SELECT * FROM t1 WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 = i2 OR 1=2); SELECT * FROM t1 WHERE i1 IN (SELECT i3 FROM t2, t3 WHERE i3 = i2 OR 1=2);
i1 i1
7 7

8
mysql-test/r/subselect_sj_jcl6.result
View File

@@ -97,7 +97,7 @@ id select_type tABle type possiBle_keys key key_len ref rows filtered ExtrA
1 PRIMARY B ALL NULL NULL NULL NULL 3 100.00 Using where; Using join Buffer (incrementAl, BNL join) 1 PRIMARY B ALL NULL NULL NULL NULL 3 100.00 Using where; Using join Buffer (incrementAl, BNL join)
2 MATERIALIZED t10 index PRIMARY PRIMARY 4 NULL 10 100.00 Using index 2 MATERIALIZED t10 index PRIMARY PRIMARY 4 NULL 10 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`A`.`A` AS `A`,`test`.`A`.`B` AS `B`,`test`.`B`.`A` AS `A`,`test`.`B`.`B` AS `B` from `test`.`t1` left join (`test`.`t2` `A` join `test`.`t2` `B`) on(`test`.`A`.`A` = `test`.`t1`.`A` And <in_optimizer>(`test`.`B`.`A`,`test`.`B`.`A` in ( <mAteriAlize> (select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`B`.`A` in <temporAry tABle> on distinct_key where `test`.`B`.`A` = `<suBquery2>`.`pk`)))) where 1 Note 1003 /* select#1 */ select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`A`.`A` AS `A`,`test`.`A`.`B` AS `B`,`test`.`B`.`A` AS `A`,`test`.`B`.`B` AS `B` from `test`.`t1` left join (`test`.`t2` `A` join `test`.`t2` `B`) on(`test`.`A`.`A` = `test`.`t1`.`A` And <in_optimizer>(`test`.`B`.`A`,`test`.`B`.`A` in ( <mAteriAlize> (/* select#2 */ select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`B`.`A` in <temporAry tABle> on distinct_key where `test`.`B`.`A` = `<suBquery2>`.`pk`)))) where 1
t2 should be wrapped into OJ-nest, so we have "t1 LJ (t2 J t10)" t2 should be wrapped into OJ-nest, so we have "t1 LJ (t2 J t10)"
explAin extended explAin extended
select * from t1 left join t2 on (t2.A= t1.A And t2.A in (select pk from t10)); select * from t1 left join t2 on (t2.A= t1.A And t2.A in (select pk from t10));
@@ -106,7 +106,7 @@ id select_type tABle type possiBle_keys key key_len ref rows filtered ExtrA
1 PRIMARY t2 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join Buffer (flAt, BNL join) 1 PRIMARY t2 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join Buffer (flAt, BNL join)
2 MATERIALIZED t10 index PRIMARY PRIMARY 4 NULL 10 100.00 Using index 2 MATERIALIZED t10 index PRIMARY PRIMARY 4 NULL 10 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`t2`.`A` AS `A`,`test`.`t2`.`B` AS `B` from `test`.`t1` left join `test`.`t2` on(`test`.`t2`.`A` = `test`.`t1`.`A` And <in_optimizer>(`test`.`t1`.`A`,`test`.`t1`.`A` in ( <mAteriAlize> (select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`t1`.`A` in <temporAry tABle> on distinct_key where `test`.`t1`.`A` = `<suBquery2>`.`pk`)))) where 1 Note 1003 /* select#1 */ select `test`.`t1`.`A` AS `A`,`test`.`t1`.`B` AS `B`,`test`.`t2`.`A` AS `A`,`test`.`t2`.`B` AS `B` from `test`.`t1` left join `test`.`t2` on(`test`.`t2`.`A` = `test`.`t1`.`A` And <in_optimizer>(`test`.`t1`.`A`,`test`.`t1`.`A` in ( <mAteriAlize> (/* select#2 */ select `test`.`t10`.`pk` from `test`.`t10` ), <primAry_index_lookup>(`test`.`t1`.`A` in <temporAry tABle> on distinct_key where `test`.`t1`.`A` = `<suBquery2>`.`pk`)))) where 1
set join_buffer_size=8*1024; set join_buffer_size=8*1024;
we shouldn't flatten if we're going to get a join of > MAX_TABLES. we shouldn't flatten if we're going to get a join of > MAX_TABLES.
explain select * from explain select * from
@@ -780,11 +780,11 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where 3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where `test`.`t2`.`c` = `test`.`t1`.`a` and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` from `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`e` and <cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where `test`.`t2`.`c` = `test`.`t1`.`a` and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(/* select#3 */ select `test`.`t3`.`e` from `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`e` and <cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`))))
show warnings; show warnings;
Level Code Message Level Code Message
Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where `test`.`t2`.`c` = `test`.`t1`.`a` and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` from `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`e` and <cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where `test`.`t2`.`c` = `test`.`t1`.`a` and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(/* select#3 */ select `test`.`t3`.`e` from `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`e` and <cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`))))
select a from t1 select a from t1
where a in (select c from t2 where d >= some(select e from t3 where b=e)); where a in (select c from t2 where d >= some(select e from t3 where b=e));
a a

68
mysql-test/r/subselect_sj_mat.result
View File

@@ -86,7 +86,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 test.t1.a1,test.t1.a2 1 100.00 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 test.t1.a1,test.t1.a2 1 100.00
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where; Using temporary 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where; Using temporary
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (select `test`.`t2`.`b1`,min(`test`.`t2`.`b2`) from `test`.`t2` where `test`.`t2`.`b1` > '0' group by `test`.`t2`.`b1`) join `test`.`t1` where `<subquery2>`.`b1` = `test`.`t1`.`a1` and `<subquery2>`.`min(b2)` = `test`.`t1`.`a2` Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (/* select#2 */ select `test`.`t2`.`b1`,min(`test`.`t2`.`b2`) from `test`.`t2` where `test`.`t2`.`b1` > '0' group by `test`.`t2`.`b1`) join `test`.`t1` where `<subquery2>`.`b1` = `test`.`t1`.`a1` and `<subquery2>`.`min(b2)` = `test`.`t1`.`a2`
select * from t1 where (a1, a2) in (select b1, min(b2) from t2 where b1 > '0' group by b1); select * from t1 where (a1, a2) in (select b1, min(b2) from t2 where b1 > '0' group by b1);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -109,7 +109,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key # 8 # 1 100.00 # 1 PRIMARY <subquery2> eq_ref distinct_key # 8 # 1 100.00 #
2 MATERIALIZED t2i range it2i1,it2i3 # 9 # 5 100.00 # 2 MATERIALIZED t2i range it2i1,it2i3 # 9 # 5 100.00 #
Warnings: Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from <materialize> (select max(`test`.`t2i`.`b1`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1`) join `test`.`t1i` where `<subquery2>`.`max(b1)` = `test`.`t1i`.`a1` Note 1003 /* select#1 */ select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from <materialize> (/* select#2 */ select max(`test`.`t2i`.`b1`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1`) join `test`.`t1i` where `<subquery2>`.`max(b1)` = `test`.`t1i`.`a1`
select * from t1i where a1 in (select max(b1) from t2i where b1 > '0' group by b1); select * from t1i where a1 in (select max(b1) from t2i where b1 > '0' group by b1);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -132,7 +132,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key # # # 1 100.00 # 1 PRIMARY <subquery2> eq_ref distinct_key # # # 1 100.00 #
2 MATERIALIZED t2i range it2i1,it2i3 # # # 3 100.00 # 2 MATERIALIZED t2i range it2i1,it2i3 # # # 3 100.00 #
Warnings: Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from <materialize> (select `test`.`t2i`.`b1`,max(`test`.`t2i`.`b2`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1`) join `test`.`t1i` where `<subquery2>`.`b1` = `test`.`t1i`.`a1` and `<subquery2>`.`max(b2)` = `test`.`t1i`.`a2` Note 1003 /* select#1 */ select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from <materialize> (/* select#2 */ select `test`.`t2i`.`b1`,max(`test`.`t2i`.`b2`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1`) join `test`.`t1i` where `<subquery2>`.`b1` = `test`.`t1i`.`a1` and `<subquery2>`.`max(b2)` = `test`.`t1i`.`a2`
select * from t1i where (a1, a2) in (select b1, max(b2) from t2i where b1 > '0' group by b1); select * from t1i where (a1, a2) in (select b1, max(b2) from t2i where b1 > '0' group by b1);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -144,7 +144,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key # # # 1 100.00 # 1 PRIMARY <subquery2> eq_ref distinct_key # # # 1 100.00 #
2 MATERIALIZED t2i range it2i1,it2i3 # # # 3 100.00 # 2 MATERIALIZED t2i range it2i1,it2i3 # # # 3 100.00 #
Warnings: Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from <materialize> (select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1`) join `test`.`t1i` where `<subquery2>`.`b1` = `test`.`t1i`.`a1` and `<subquery2>`.`min(b2)` = `test`.`t1i`.`a2` Note 1003 /* select#1 */ select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from <materialize> (/* select#2 */ select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1`) join `test`.`t1i` where `<subquery2>`.`b1` = `test`.`t1i`.`a1` and `<subquery2>`.`min(b2)` = `test`.`t1i`.`a2`
select * from t1i where (a1, a2) in (select b1, min(b2) from t2i where b1 > '0' group by b1); select * from t1i where (a1, a2) in (select b1, min(b2) from t2i where b1 > '0' group by b1);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -156,7 +156,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 test.t1.a1,test.t1.a2 1 100.00 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 test.t1.a1,test.t1.a2 1 100.00
2 MATERIALIZED t2i range NULL it2i3 9 NULL 3 100.00 Using index for group-by 2 MATERIALIZED t2i range NULL it2i3 9 NULL 3 100.00 Using index for group-by
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (select `test`.`t2i`.`b1`,max(`test`.`t2i`.`b2`) from `test`.`t2i` group by `test`.`t2i`.`b1`) join `test`.`t1` where `<subquery2>`.`b1` = `test`.`t1`.`a1` and `<subquery2>`.`max(b2)` = `test`.`t1`.`a2` Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (/* select#2 */ select `test`.`t2i`.`b1`,max(`test`.`t2i`.`b2`) from `test`.`t2i` group by `test`.`t2i`.`b1`) join `test`.`t1` where `<subquery2>`.`b1` = `test`.`t1`.`a1` and `<subquery2>`.`max(b2)` = `test`.`t1`.`a2`
select * from t1 where (a1, a2) in (select b1, max(b2) from t2i group by b1); select * from t1 where (a1, a2) in (select b1, max(b2) from t2i group by b1);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -188,7 +188,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 test.t1.a1,test.t1.a2 1 100.00 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 test.t1.a1,test.t1.a2 1 100.00
2 MATERIALIZED t2i range it2i1,it2i3 it2i3 18 NULL 3 100.00 Using where; Using index for group-by 2 MATERIALIZED t2i range it2i1,it2i3 it2i3 18 NULL 3 100.00 Using where; Using index for group-by
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1`) join `test`.`t1` where `<subquery2>`.`b1` = `test`.`t1`.`a1` and `<subquery2>`.`min(b2)` = `test`.`t1`.`a2` Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (/* select#2 */ select `test`.`t2i`.`b1`,min(`test`.`t2i`.`b2`) from `test`.`t2i` where `test`.`t2i`.`b1` > '0' group by `test`.`t2i`.`b1`) join `test`.`t1` where `<subquery2>`.`b1` = `test`.`t1`.`a1` and `<subquery2>`.`min(b2)` = `test`.`t1`.`a2`
select * from t1 where (a1, a2) in (select b1, min(b2) from t2i where b1 > '0' group by b1); select * from t1 where (a1, a2) in (select b1, min(b2) from t2i where b1 > '0' group by b1);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -236,7 +236,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 test.t1.a1,test.t1.a2 1 100.00 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 test.t1.a1,test.t1.a2 1 100.00
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` order by `test`.`t2`.`b1`,`test`.`t2`.`b2`) join `test`.`t1` where `<subquery2>`.`b1` = `test`.`t1`.`a1` and `<subquery2>`.`b2` = `test`.`t1`.`a2` Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from <materialize> (/* select#2 */ select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` order by `test`.`t2`.`b1`,`test`.`t2`.`b2`) join `test`.`t1` where `<subquery2>`.`b1` = `test`.`t1`.`a1` and `<subquery2>`.`b2` = `test`.`t1`.`a2`
select * from t1 where (a1, a2) in (select b1, b2 from t2 order by b1, b2); select * from t1 where (a1, a2) in (select b1, b2 from t2 order by b1, b2);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -248,7 +248,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 test.t1i.a1,test.t1i.a2 1 100.00 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 test.t1i.a1,test.t1i.a2 1 100.00
2 MATERIALIZED t2i index NULL it2i3 18 NULL 5 100.00 Using index 2 MATERIALIZED t2i index NULL it2i3 18 NULL 5 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from <materialize> (select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` order by `test`.`t2i`.`b1`,`test`.`t2i`.`b2`) join `test`.`t1i` where `<subquery2>`.`b1` = `test`.`t1i`.`a1` and `<subquery2>`.`b2` = `test`.`t1i`.`a2` Note 1003 /* select#1 */ select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from <materialize> (/* select#2 */ select `test`.`t2i`.`b1`,`test`.`t2i`.`b2` from `test`.`t2i` order by `test`.`t2i`.`b1`,`test`.`t2i`.`b2`) join `test`.`t1i` where `<subquery2>`.`b1` = `test`.`t1i`.`a1` and `<subquery2>`.`b2` = `test`.`t1i`.`a2`
select * from t1i where (a1, a2) in (select b1, b2 from t2i order by b1, b2); select * from t1i where (a1, a2) in (select b1, b2 from t2i order by b1, b2);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -349,7 +349,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
4 MATERIALIZED t3 ALL NULL NULL NULL NULL 4 100.00 Using where 4 MATERIALIZED t3 ALL NULL NULL NULL NULL 4 100.00 Using where
3 MATERIALIZED t3 ALL NULL NULL NULL NULL 4 100.00 Using where 3 MATERIALIZED t3 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3`) where `test`.`t2i`.`b1` = `test`.`t3`.`c1` and `test`.`t2i`.`b2` = `test`.`t3`.`c2` and (<expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%02' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery3>`.`c2`)))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`))))) and `test`.`t3`.`c2` > '0' Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3`) where `test`.`t2i`.`b1` = `test`.`t3`.`c1` and `test`.`t2i`.`b2` = `test`.`t3`.`c2` and (<expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (/* select#3 */ select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%02' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery3>`.`c2`)))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (/* select#4 */ select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`))))) and `test`.`t3`.`c2` > '0'
select * from t1 select * from t1
where (a1, a2) in (select b1, b2 from t2 where (a1, a2) in (select b1, b2 from t2
where b2 in (select c2 from t3 where c2 LIKE '%02') or where b2 in (select c2 from t3 where c2 LIKE '%02') or
@@ -375,7 +375,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3a ALL NULL NULL NULL NULL 4 100.00 Using where 3 DEPENDENT SUBQUERY t3a ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a1' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a1' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3` `t3c`) where `test`.`t2i`.`b1` = `test`.`t3c`.`c1` and `test`.`t2`.`b1` = `test`.`t1`.`a1` and `test`.`t2i`.`b2` = `test`.`t3c`.`c2` and `test`.`t2`.`b2` = `test`.`t1`.`a2` and (<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where `test`.`t3a`.`c1` = `test`.`t1`.`a1` and <cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where `test`.`t3b`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`))))) and `test`.`t3c`.`c2` > '0' Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3` `t3c`) where `test`.`t2i`.`b1` = `test`.`t3c`.`c1` and `test`.`t2`.`b1` = `test`.`t1`.`a1` and `test`.`t2i`.`b2` = `test`.`t3c`.`c2` and `test`.`t2`.`b2` = `test`.`t1`.`a2` and (<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(/* select#3 */ select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where `test`.`t3a`.`c1` = `test`.`t1`.`a1` and <cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (/* select#4 */ select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where `test`.`t3b`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`))))) and `test`.`t3c`.`c2` > '0'
select * from t1 select * from t1
where (a1, a2) in (select b1, b2 from t2 where (a1, a2) in (select b1, b2 from t2
where b2 in (select c2 from t3 t3a where c1 = a1) or where b2 in (select c2 from t3 t3a where c1 = a1) or
@@ -413,7 +413,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
7 UNION t2i ref it2i1,it2i2,it2i3 # # # 2 100.00 # 7 UNION t2i ref it2i1,it2i2,it2i3 # # # 2 100.00 #
NULL UNION RESULT <union1,7> ALL NULL # # # NULL NULL # NULL UNION RESULT <union1,7> ALL NULL # # # NULL NULL #
Warnings: Warnings:
Note 1003 (select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3`) where `test`.`t2i`.`b1` = `test`.`t3`.`c1` and `test`.`t2i`.`b2` = `test`.`t3`.`c2` and (<expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%02' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery3>`.`c2`)))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`))))) and `test`.`t3`.`c2` > '0') union (select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` semi join (`test`.`t2i`) semi join (`test`.`t2i` join `test`.`t3i`) where `test`.`t1i`.`a1` = `test`.`t2i`.`b1` and `test`.`t3i`.`c1` = `test`.`t2i`.`b1` and `test`.`t2i`.`b1` = `test`.`t2i`.`b1` and `test`.`t1i`.`a2` = `test`.`t2i`.`b2` and `test`.`t3i`.`c2` = `test`.`t2i`.`b2` and `test`.`t2i`.`b2` = `test`.`t2i`.`b2` and `test`.`t2i`.`b1` > '0' and `test`.`t2i`.`b2` > '0') Note 1003 (/* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3`) where `test`.`t2i`.`b1` = `test`.`t3`.`c1` and `test`.`t2i`.`b2` = `test`.`t3`.`c2` and (<expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (/* select#3 */ select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%02' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery3>`.`c2`)))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (/* select#4 */ select `test`.`t3`.`c2` from `test`.`t3` where `test`.`t3`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`))))) and `test`.`t3`.`c2` > '0') union (/* select#7 */ select `test`.`t1i`.`a1` AS `a1`,`test`.`t1i`.`a2` AS `a2` from `test`.`t1i` semi join (`test`.`t2i`) semi join (`test`.`t2i` join `test`.`t3i`) where `test`.`t1i`.`a1` = `test`.`t2i`.`b1` and `test`.`t3i`.`c1` = `test`.`t2i`.`b1` and `test`.`t2i`.`b1` = `test`.`t2i`.`b1` and `test`.`t1i`.`a2` = `test`.`t2i`.`b2` and `test`.`t3i`.`c2` = `test`.`t2i`.`b2` and `test`.`t2i`.`b2` = `test`.`t2i`.`b2` and `test`.`t2i`.`b1` > '0' and `test`.`t2i`.`b2` > '0')
(select * from t1 (select * from t1
where (a1, a2) in (select b1, b2 from t2 where (a1, a2) in (select b1, b2 from t2
where b2 in (select c2 from t3 where c2 LIKE '%02') or where b2 in (select c2 from t3 where c2 LIKE '%02') or
@@ -443,7 +443,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where 3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2i` join `test`.`t3`) where `test`.`t2i`.`b1` = `test`.`t3`.`c1` and `test`.`t2i`.`b2` = `test`.`t3`.`c2` and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where `test`.`t1`.`a1` > '0' and <cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1` and <cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2` union select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where `test`.`t2`.`b1` < '9' and <cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1` and <cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))) and `test`.`t3`.`c2` > '0' Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2i` join `test`.`t3`) where `test`.`t2i`.`b1` = `test`.`t3`.`c1` and `test`.`t2i`.`b2` = `test`.`t3`.`c2` and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(/* select#2 */ select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where `test`.`t1`.`a1` > '0' and <cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1` and <cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2` union /* select#3 */ select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where `test`.`t2`.`b1` < '9' and <cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1` and <cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))) and `test`.`t3`.`c2` > '0'
select * from t1 select * from t1
where (a1, a2) in (select * from t1 where a1 > '0' UNION select * from t2 where b1 < '9') and where (a1, a2) in (select * from t1 where a1 > '0' UNION select * from t2 where b1 < '9') and
(a1, a2) in (select c1, c2 from t3 (a1, a2) in (select c1, c2 from t3
@@ -467,7 +467,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where 3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t1` semi join (`test`.`t2i` join `test`.`t3`) join `test`.`t3` where `test`.`t3`.`c1` = `test`.`t1`.`a1` and `test`.`t2i`.`b1` = `test`.`t3`.`c1` and `test`.`t2i`.`b2` = `test`.`t3`.`c2` and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where `test`.`t1`.`a1` > '0' and <cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1` and <cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2` union select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where `test`.`t2`.`b1` < '9' and <cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1` and <cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))) and `test`.`t3`.`c2` > '0' Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t1` semi join (`test`.`t2i` join `test`.`t3`) join `test`.`t3` where `test`.`t3`.`c1` = `test`.`t1`.`a1` and `test`.`t2i`.`b1` = `test`.`t3`.`c1` and `test`.`t2i`.`b2` = `test`.`t3`.`c2` and <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(/* select#2 */ select `test`.`t1`.`a1`,`test`.`t1`.`a2` from `test`.`t1` where `test`.`t1`.`a1` > '0' and <cache>(`test`.`t1`.`a1`) = `test`.`t1`.`a1` and <cache>(`test`.`t1`.`a2`) = `test`.`t1`.`a2` union /* select#3 */ select `test`.`t2`.`b1`,`test`.`t2`.`b2` from `test`.`t2` where `test`.`t2`.`b1` < '9' and <cache>(`test`.`t1`.`a1`) = `test`.`t2`.`b1` and <cache>(`test`.`t1`.`a2`) = `test`.`t2`.`b2`))) and `test`.`t3`.`c2` > '0'
select * from t1, t3 select * from t1, t3
where (a1, a2) in (select * from t1 where a1 > '0' UNION select * from t2 where b1 < '9') and where (a1, a2) in (select * from t1 where a1 > '0' UNION select * from t2 where b1 < '9') and
(c1, c2) in (select c1, c2 from t3 (c1, c2) in (select c1, c2 from t3
@@ -489,7 +489,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where 3 DEPENDENT UNION t2 ALL NULL NULL NULL NULL 5 100.00 Using where
NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union2,3> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 select `test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`>(<in_optimizer>(`test`.`t3`.`c1`,<exists>(select `test`.`t1`.`a1` from `test`.`t1` where `test`.`t1`.`a1` > '0' and <cache>(`test`.`t3`.`c1`) = `test`.`t1`.`a1` union select `test`.`t2`.`b1` from `test`.`t2` where `test`.`t2`.`b1` < '9' and <cache>(`test`.`t3`.`c1`) = `test`.`t2`.`b1`))) Note 1003 /* select#1 */ select `test`.`t3`.`c1` AS `c1`,`test`.`t3`.`c2` AS `c2` from `test`.`t3` where <expr_cache><`test`.`t3`.`c1`>(<in_optimizer>(`test`.`t3`.`c1`,<exists>(/* select#2 */ select `test`.`t1`.`a1` from `test`.`t1` where `test`.`t1`.`a1` > '0' and <cache>(`test`.`t3`.`c1`) = `test`.`t1`.`a1` union /* select#3 */ select `test`.`t2`.`b1` from `test`.`t2` where `test`.`t2`.`b1` < '9' and <cache>(`test`.`t3`.`c1`) = `test`.`t2`.`b1`)))
select * from t3 select * from t3
where c1 in (select a1 from t1 where a1 > '0' UNION select b1 from t2 where b1 < '9'); where c1 in (select a1 from t1 where a1 > '0' UNION select b1 from t2 where b1 < '9');
c1 c2 c1 c2
@@ -513,14 +513,14 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a1' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a1' of SELECT #3 was resolved in SELECT #1
Note 1276 Field or reference 'test.t1.a2' of SELECT #6 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a2' of SELECT #6 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3` `t3c`) where `test`.`t2i`.`b1` = `test`.`t1`.`a1` and `test`.`t3c`.`c1` = `test`.`t1`.`a1` and `test`.`t2`.`b1` = `test`.`t1`.`a1` and `test`.`t2i`.`b2` = `test`.`t1`.`a2` and `test`.`t3c`.`c2` = `test`.`t1`.`a2` and `test`.`t2`.`b2` = `test`.`t1`.`a2` and (<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where `test`.`t3a`.`c1` = `test`.`t1`.`a1` and <cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where `test`.`t3b`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`))))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` semi join (`test`.`t2`) semi join (`test`.`t2i` join `test`.`t3` `t3c`) where `test`.`t2i`.`b1` = `test`.`t1`.`a1` and `test`.`t3c`.`c1` = `test`.`t1`.`a1` and `test`.`t2`.`b1` = `test`.`t1`.`a1` and `test`.`t2i`.`b2` = `test`.`t1`.`a2` and `test`.`t3c`.`c2` = `test`.`t1`.`a2` and `test`.`t2`.`b2` = `test`.`t1`.`a2` and (<expr_cache><`test`.`t2`.`b2`,`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t2`.`b2`,<exists>(/* select#3 */ select `test`.`t3a`.`c2` from `test`.`t3` `t3a` where `test`.`t3a`.`c1` = `test`.`t1`.`a1` and <cache>(`test`.`t2`.`b2`) = `test`.`t3a`.`c2`))) or <expr_cache><`test`.`t2`.`b2`>(<in_optimizer>(`test`.`t2`.`b2`,`test`.`t2`.`b2` in ( <materialize> (/* select#4 */ select `test`.`t3b`.`c2` from `test`.`t3` `t3b` where `test`.`t3b`.`c2` like '%03' ), <primary_index_lookup>(`test`.`t2`.`b2` in <temporary table> on distinct_key where `test`.`t2`.`b2` = `<subquery4>`.`c2`)))))
explain extended explain extended
select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01'); select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01');
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select '1 - 01','2 - 01' having (<cache>(`test`.`t1`.`a1`) = '1 - 01' or '1 - 01' is null) and (<cache>(`test`.`t1`.`a2`) = '2 - 01' or '2 - 01' is null) and '1 - 01' is null and '2 - 01' is null))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(/* select#2 */ select '1 - 01','2 - 01' having (<cache>(`test`.`t1`.`a1`) = '1 - 01' or '1 - 01' is null) and (<cache>(`test`.`t1`.`a2`) = '2 - 01' or '2 - 01' is null) and '1 - 01' is null and '2 - 01' is null)))
select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01'); select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01');
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -530,7 +530,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used 2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(select '1 - 01','2 - 01' having (<cache>(`test`.`t1`.`a1`) = '1 - 01' or '1 - 01' is null) and (<cache>(`test`.`t1`.`a2`) = '2 - 01' or '2 - 01' is null) and '1 - 01' is null and '2 - 01' is null))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a1`,`test`.`t1`.`a2`>(<in_optimizer>((`test`.`t1`.`a1`,`test`.`t1`.`a2`),<exists>(/* select#2 */ select '1 - 01','2 - 01' having (<cache>(`test`.`t1`.`a1`) = '1 - 01' or '1 - 01' is null) and (<cache>(`test`.`t1`.`a2`) = '2 - 01' or '2 - 01' is null) and '1 - 01' is null and '2 - 01' is null)))
select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01' from dual); select * from t1 where (a1, a2) in (select '1 - 01', '2 - 01' from dual);
a1 a2 a1 a2
1 - 01 2 - 01 1 - 01 2 - 01
@@ -552,7 +552,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY columns index NULL PRIMARY 4 NULL 2 100.00 Using index 2 SUBQUERY columns index NULL PRIMARY 4 NULL 2 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` group by (select `test`.`columns`.`col` from `test`.`columns` limit 1) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` group by (/* select#2 */ select `test`.`columns`.`col` from `test`.`columns` limit 1)
select * from t1 group by (select col from columns limit 1); select * from t1 group by (select col from columns limit 1);
a1 a2 a1 a2
1 - 00 2 - 00 1 - 00 2 - 00
@@ -562,7 +562,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using temporary; Using filesort 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using temporary; Using filesort
2 DEPENDENT SUBQUERY columns unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index; Using where; Full scan on NULL key 2 DEPENDENT SUBQUERY columns unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index; Using where; Full scan on NULL key
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` group by <expr_cache><`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t1`.`a1`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`a1`) in columns on PRIMARY where trigcond(<cache>(`test`.`t1`.`a1`) = `test`.`columns`.`col`))))) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` group by <expr_cache><`test`.`t1`.`a1`>(<in_optimizer>(`test`.`t1`.`a1`,<exists>(<primary_index_lookup>(<cache>(`test`.`t1`.`a1`) in columns on PRIMARY where trigcond(<cache>(`test`.`t1`.`a1`) = `test`.`columns`.`col`)))))
select * from t1 group by (a1 in (select col from columns)); select * from t1 group by (a1 in (select col from columns));
a1 a2 a1 a2
1 - 00 2 - 00 1 - 00 2 - 00
@@ -577,7 +577,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00
2 SUBQUERY columns index NULL PRIMARY 4 NULL 2 100.00 Using index 2 SUBQUERY columns index NULL PRIMARY 4 NULL 2 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` order by (select `test`.`columns`.`col` from `test`.`columns` limit 1) Note 1003 /* select#1 */ select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2` from `test`.`t1` order by (/* select#2 */ select `test`.`columns`.`col` from `test`.`columns` limit 1)
select * from t1 order by (select col from columns limit 1); select * from t1 order by (select col from columns limit 1);
a1 a2 a1 a2
1 - 00 2 - 00 1 - 00 2 - 00
@@ -666,7 +666,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where 1 PRIMARY t1_16 ALL NULL NULL NULL NULL 3 100.00 Using where
2 DEPENDENT SUBQUERY t2_16 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 DEPENDENT SUBQUERY t2_16 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a1`>(<in_optimizer>(`test`.`t1_16`.`a1`,<exists>(select group_concat(`test`.`t2_16`.`b1` separator ',') from `test`.`t2_16` group by `test`.`t2_16`.`b2` having <cache>(`test`.`t1_16`.`a1`) = <ref_null_helper>(group_concat(`test`.`t2_16`.`b1` separator ','))))) Note 1003 /* select#1 */ select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from `test`.`t1_16` where <expr_cache><`test`.`t1_16`.`a1`>(<in_optimizer>(`test`.`t1_16`.`a1`,<exists>(/* select#2 */ select group_concat(`test`.`t2_16`.`b1` separator ',') from `test`.`t2_16` group by `test`.`t2_16`.`b2` having <cache>(`test`.`t1_16`.`a1`) = <ref_null_helper>(group_concat(`test`.`t2_16`.`b1` separator ',')))))
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_16 from t1_16
where a1 in (select group_concat(b1) from t2_16 group by b2); where a1 in (select group_concat(b1) from t2_16 group by b2);
@@ -682,7 +682,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 260 test.t1_16.a1 1 100.00 Using where 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 260 test.t1_16.a1 1 100.00 Using where
2 MATERIALIZED t2_16 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 MATERIALIZED t2_16 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from <materialize> (select group_concat(`test`.`t2_16`.`b1` separator ',') from `test`.`t2_16` group by `test`.`t2_16`.`b2`) join `test`.`t1_16` where `test`.`t1_16`.`a1` = `<subquery2>`.`group_concat(b1)` Note 1003 /* select#1 */ select left(`test`.`t1_16`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_16`.`a2`,7) AS `left(a2,7)` from <materialize> (/* select#2 */ select group_concat(`test`.`t2_16`.`b1` separator ',') from `test`.`t2_16` group by `test`.`t2_16`.`b2`) join `test`.`t1_16` where `test`.`t1_16`.`a1` = `<subquery2>`.`group_concat(b1)`
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_16 from t1_16
where a1 in (select group_concat(b1) from t2_16 group by b2); where a1 in (select group_concat(b1) from t2_16 group by b2);
@@ -782,7 +782,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 260 test.t1_512.a1 1 100.00 Using where 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 260 test.t1_512.a1 1 100.00 Using where
2 MATERIALIZED t2_512 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 MATERIALIZED t2_512 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from <materialize> (select group_concat(`test`.`t2_512`.`b1` separator ',') from `test`.`t2_512` group by `test`.`t2_512`.`b2`) join `test`.`t1_512` where `test`.`t1_512`.`a1` = `<subquery2>`.`group_concat(b1)` Note 1003 /* select#1 */ select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from <materialize> (/* select#2 */ select group_concat(`test`.`t2_512`.`b1` separator ',') from `test`.`t2_512` group by `test`.`t2_512`.`b2`) join `test`.`t1_512` where `test`.`t1_512`.`a1` = `<subquery2>`.`group_concat(b1)`
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_512 from t1_512
where a1 in (select group_concat(b1) from t2_512 group by b2); where a1 in (select group_concat(b1) from t2_512 group by b2);
@@ -800,7 +800,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 260 test.t1_512.a1 1 100.00 Using where 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 260 test.t1_512.a1 1 100.00 Using where
2 MATERIALIZED t2_512 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 MATERIALIZED t2_512 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from <materialize> (select group_concat(`test`.`t2_512`.`b1` separator ',') from `test`.`t2_512` group by `test`.`t2_512`.`b2`) join `test`.`t1_512` where `test`.`t1_512`.`a1` = `<subquery2>`.`group_concat(b1)` Note 1003 /* select#1 */ select left(`test`.`t1_512`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_512`.`a2`,7) AS `left(a2,7)` from <materialize> (/* select#2 */ select group_concat(`test`.`t2_512`.`b1` separator ',') from `test`.`t2_512` group by `test`.`t2_512`.`b2`) join `test`.`t1_512` where `test`.`t1_512`.`a1` = `<subquery2>`.`group_concat(b1)`
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_512 from t1_512
where a1 in (select group_concat(b1) from t2_512 group by b2); where a1 in (select group_concat(b1) from t2_512 group by b2);
@@ -885,7 +885,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 260 test.t1_1024.a1 1 100.00 Using where 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 260 test.t1_1024.a1 1 100.00 Using where
2 MATERIALIZED t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 MATERIALIZED t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from <materialize> (select group_concat(`test`.`t2_1024`.`b1` separator ',') from `test`.`t2_1024` group by `test`.`t2_1024`.`b2`) join `test`.`t1_1024` where `test`.`t1_1024`.`a1` = `<subquery2>`.`group_concat(b1)` Note 1003 /* select#1 */ select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from <materialize> (/* select#2 */ select group_concat(`test`.`t2_1024`.`b1` separator ',') from `test`.`t2_1024` group by `test`.`t2_1024`.`b2`) join `test`.`t1_1024` where `test`.`t1_1024`.`a1` = `<subquery2>`.`group_concat(b1)`
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_1024 from t1_1024
where a1 in (select group_concat(b1) from t2_1024 group by b2); where a1 in (select group_concat(b1) from t2_1024 group by b2);
@@ -903,7 +903,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 260 test.t1_1024.a1 1 100.00 Using where 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 260 test.t1_1024.a1 1 100.00 Using where
2 MATERIALIZED t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 MATERIALIZED t2_1024 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from <materialize> (select group_concat(`test`.`t2_1024`.`b1` separator ',') from `test`.`t2_1024` group by `test`.`t2_1024`.`b2`) join `test`.`t1_1024` where `test`.`t1_1024`.`a1` = `<subquery2>`.`group_concat(b1)` Note 1003 /* select#1 */ select left(`test`.`t1_1024`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1024`.`a2`,7) AS `left(a2,7)` from <materialize> (/* select#2 */ select group_concat(`test`.`t2_1024`.`b1` separator ',') from `test`.`t2_1024` group by `test`.`t2_1024`.`b2`) join `test`.`t1_1024` where `test`.`t1_1024`.`a1` = `<subquery2>`.`group_concat(b1)`
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_1024 from t1_1024
where a1 in (select group_concat(b1) from t2_1024 group by b2); where a1 in (select group_concat(b1) from t2_1024 group by b2);
@@ -988,7 +988,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 260 test.t1_1025.a1 1 100.00 Using where 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 260 test.t1_1025.a1 1 100.00 Using where
2 MATERIALIZED t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 MATERIALIZED t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from <materialize> (select group_concat(`test`.`t2_1025`.`b1` separator ',') from `test`.`t2_1025` group by `test`.`t2_1025`.`b2`) join `test`.`t1_1025` where `test`.`t1_1025`.`a1` = `<subquery2>`.`group_concat(b1)` Note 1003 /* select#1 */ select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from <materialize> (/* select#2 */ select group_concat(`test`.`t2_1025`.`b1` separator ',') from `test`.`t2_1025` group by `test`.`t2_1025`.`b2`) join `test`.`t1_1025` where `test`.`t1_1025`.`a1` = `<subquery2>`.`group_concat(b1)`
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_1025 from t1_1025
where a1 in (select group_concat(b1) from t2_1025 group by b2); where a1 in (select group_concat(b1) from t2_1025 group by b2);
@@ -1006,7 +1006,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 260 test.t1_1025.a1 1 100.00 Using where 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 260 test.t1_1025.a1 1 100.00 Using where
2 MATERIALIZED t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using filesort 2 MATERIALIZED t2_1025 ALL NULL NULL NULL NULL 3 100.00 Using filesort
Warnings: Warnings:
Note 1003 select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from <materialize> (select group_concat(`test`.`t2_1025`.`b1` separator ',') from `test`.`t2_1025` group by `test`.`t2_1025`.`b2`) join `test`.`t1_1025` where `test`.`t1_1025`.`a1` = `<subquery2>`.`group_concat(b1)` Note 1003 /* select#1 */ select left(`test`.`t1_1025`.`a1`,7) AS `left(a1,7)`,left(`test`.`t1_1025`.`a2`,7) AS `left(a2,7)` from <materialize> (/* select#2 */ select group_concat(`test`.`t2_1025`.`b1` separator ',') from `test`.`t2_1025` group by `test`.`t2_1025`.`b2`) join `test`.`t1_1025` where `test`.`t1_1025`.`a1` = `<subquery2>`.`group_concat(b1)`
select left(a1,7), left(a2,7) select left(a1,7), left(a2,7)
from t1_1025 from t1_1025
where a1 in (select group_concat(b1) from t2_1025 group by b2); where a1 in (select group_concat(b1) from t2_1025 group by b2);
@@ -1147,7 +1147,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL it1a 4 NULL 7 100.00 Using index 1 PRIMARY t1 index NULL it1a 4 NULL 7 100.00 Using index
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 7 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 7 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` from `test`.`t2` where `test`.`t2`.`d` >= 20 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`c`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `test`.`t2`.`c` from `test`.`t2` where `test`.`t2`.`d` >= 20 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`c`))))
select a from t1 group by a having a in (select c from t2 where d >= 20); select a from t1 group by a having a in (select c from t2 where d >= 20);
a a
2 2
@@ -1159,7 +1159,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 index NULL it1a 4 NULL 7 100.00 Using index 1 PRIMARY t1 index NULL it1a 4 NULL 7 100.00 Using index
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 7 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 7 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`c` from `test`.`t2` where `test`.`t2`.`d` >= 20 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`c`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `test`.`t2`.`c` from `test`.`t2` where `test`.`t2`.`d` >= 20 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`c`))))
select a from t1 group by a having a in (select c from t2 where d >= 20); select a from t1 group by a having a in (select c from t2 where d >= 20);
a a
2 2
@@ -1174,7 +1174,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
Note 1981 Aggregate function 'max()' of SELECT #3 belongs to SELECT #1 Note 1981 Aggregate function 'max()' of SELECT #3 belongs to SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <expr_cache><`test`.`t1`.`a`,`test`.`t1`.`b`,max(`test`.`t1`.`b`),max(`test`.`t1`.`b`)>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`c` from `test`.`t2` where <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`,max(`test`.`t1`.`b`),max(`test`.`t1`.`b`)>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` from `test`.`t3` where max(`test`.`t1`.`b`) = `test`.`t3`.`e` having <cache>(`test`.`t2`.`d`) >= <ref_null_helper>(`test`.`t3`.`e`))))) and <cache>(`test`.`t1`.`a`) = `test`.`t2`.`c`))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` group by `test`.`t1`.`a` having <expr_cache><`test`.`t1`.`a`,`test`.`t1`.`b`,max(`test`.`t1`.`b`),max(`test`.`t1`.`b`)>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `test`.`t2`.`c` from `test`.`t2` where <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`,max(`test`.`t1`.`b`),max(`test`.`t1`.`b`)>(<in_optimizer>(`test`.`t2`.`d`,<exists>(/* select#3 */ select `test`.`t3`.`e` from `test`.`t3` where max(`test`.`t1`.`b`) = `test`.`t3`.`e` having <cache>(`test`.`t2`.`d`) >= <ref_null_helper>(`test`.`t3`.`e`))))) and <cache>(`test`.`t1`.`a`) = `test`.`t2`.`c`)))
select a from t1 group by a select a from t1 group by a
having a in (select c from t2 where d >= some(select e from t3 where max(b)=e)); having a in (select c from t2 where d >= some(select e from t3 where max(b)=e));
a a
@@ -1189,7 +1189,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where 3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.b' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where `test`.`t1`.`a` = `test`.`t2`.`c` and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(select `test`.`t3`.`e` from `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`e` and <cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` semi join (`test`.`t2`) where `test`.`t1`.`a` = `test`.`t2`.`c` and <nop>(<expr_cache><`test`.`t2`.`d`,`test`.`t1`.`b`>(<in_optimizer>(`test`.`t2`.`d`,<exists>(/* select#3 */ select `test`.`t3`.`e` from `test`.`t3` where `test`.`t1`.`b` = `test`.`t3`.`e` and <cache>(`test`.`t2`.`d`) >= `test`.`t3`.`e`))))
select a from t1 select a from t1
where a in (select c from t2 where d >= some(select e from t3 where b=e)); where a in (select c from t2 where d >= some(select e from t3 where b=e));
a a
@@ -1862,7 +1862,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> system NULL NULL NULL NULL 1 100.00 1 PRIMARY <subquery2> system NULL NULL NULL NULL 1 100.00
2 MATERIALIZED NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away 2 MATERIALIZED NULL NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings: Warnings:
Note 1003 select 8 AS `a` from dual where 1 Note 1003 /* select#1 */ select 8 AS `a` from dual where 1
DROP TABLE t1; DROP TABLE t1;
# #
# BUG#904432: Wrong result with LEFT JOIN, constant table, semijoin=ON,materialization=ON # BUG#904432: Wrong result with LEFT JOIN, constant table, semijoin=ON,materialization=ON
@@ -1963,7 +1963,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 3 100.00 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from <materialize> (select max(`test`.`t2`.`c`) from `test`.`t2`) join `test`.`t1` where `test`.`t1`.`b` = 7 and `test`.`t1`.`a` = `<subquery2>`.`MAX(c)` and (<cache>(`<subquery2>`.`MAX(c)` is null) or `<subquery2>`.`MAX(c)` = 7) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from <materialize> (/* select#2 */ select max(`test`.`t2`.`c`) from `test`.`t2`) join `test`.`t1` where `test`.`t1`.`b` = 7 and `test`.`t1`.`a` = `<subquery2>`.`MAX(c)` and (<cache>(`<subquery2>`.`MAX(c)` is null) or `<subquery2>`.`MAX(c)` = 7)
SELECT * FROM t1 SELECT * FROM t1
WHERE a IN (SELECT MAX(c) FROM t2) AND b=7 AND (a IS NULL OR a=b); WHERE a IN (SELECT MAX(c) FROM t2) AND b=7 AND (a IS NULL OR a=b);
a b a b

14
mysql-test/r/table_elim.result
View File

@@ -126,7 +126,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY f range PRIMARY PRIMARY 4 NULL 4 100.00 Using where; Using index 1 PRIMARY f range PRIMARY PRIMARY 4 NULL 4 100.00 Using where; Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.a2.id' of SELECT #3 was resolved in SELECT #2 Note 1276 Field or reference 'test.a2.id' of SELECT #3 was resolved in SELECT #2
Note 1003 select `f`.`id` AS `id` from `test`.`t0` `f` where `f`.`id` in (1,2,3,4) Note 1003 /* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` where `f`.`id` in (1,2,3,4)
This should use facts and a1 tables: This should use facts and a1 tables:
explain extended select id from v1 where attr1 between 12 and 14; explain extended select id from v1 where attr1 between 12 and 14;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
@@ -134,7 +134,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY f eq_ref PRIMARY PRIMARY 4 test.a1.id 1 100.00 Using index 1 PRIMARY f eq_ref PRIMARY PRIMARY 4 test.a1.id 1 100.00 Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.a2.id' of SELECT #3 was resolved in SELECT #2 Note 1276 Field or reference 'test.a2.id' of SELECT #3 was resolved in SELECT #2
Note 1003 select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t1` `a1` where `f`.`id` = `a1`.`id` and `a1`.`attr1` between 12 and 14 Note 1003 /* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t1` `a1` where `f`.`id` = `a1`.`id` and `a1`.`attr1` between 12 and 14
This should use facts, a2 and its subquery: This should use facts, a2 and its subquery:
explain extended select id from v1 where attr2 between 12 and 14; explain extended select id from v1 where attr2 between 12 and 14;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
@@ -143,7 +143,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t2 ref PRIMARY PRIMARY 4 test.a2.id 2 100.00 Using index 3 DEPENDENT SUBQUERY t2 ref PRIMARY PRIMARY 4 test.a2.id 2 100.00 Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.a2.id' of SELECT #3 was resolved in SELECT #2 Note 1276 Field or reference 'test.a2.id' of SELECT #3 was resolved in SELECT #2
Note 1003 select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t2` `a2` where `f`.`id` = `a2`.`id` and `a2`.`attr2` between 12 and 14 and `a2`.`fromdate` = (select max(`test`.`t2`.`fromdate`) from `test`.`t2` where `test`.`t2`.`id` = `a2`.`id`) Note 1003 /* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t2` `a2` where `f`.`id` = `a2`.`id` and `a2`.`attr2` between 12 and 14 and `a2`.`fromdate` = (/* select#3 */ select max(`test`.`t2`.`fromdate`) from `test`.`t2` where `test`.`t2`.`id` = `a2`.`id`)
This should use one table: This should use one table:
explain select id from v2 where id=2; explain select id from v2 where id=2;
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
@@ -154,7 +154,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY f range PRIMARY PRIMARY 4 NULL 4 100.00 Using where; Using index 1 PRIMARY f range PRIMARY PRIMARY 4 NULL 4 100.00 Using where; Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.f.id' of SELECT #3 was resolved in SELECT #2 Note 1276 Field or reference 'test.f.id' of SELECT #3 was resolved in SELECT #2
Note 1003 select `f`.`id` AS `id` from `test`.`t0` `f` where `f`.`id` in (1,2,3,4) Note 1003 /* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` where `f`.`id` in (1,2,3,4)
This should use facts and a1 tables: This should use facts and a1 tables:
explain extended select id from v2 where attr1 between 12 and 14; explain extended select id from v2 where attr1 between 12 and 14;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
@@ -162,7 +162,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY f eq_ref PRIMARY PRIMARY 4 test.a1.id 1 100.00 Using index 1 PRIMARY f eq_ref PRIMARY PRIMARY 4 test.a1.id 1 100.00 Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.f.id' of SELECT #3 was resolved in SELECT #2 Note 1276 Field or reference 'test.f.id' of SELECT #3 was resolved in SELECT #2
Note 1003 select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t1` `a1` where `f`.`id` = `a1`.`id` and `a1`.`attr1` between 12 and 14 Note 1003 /* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t1` `a1` where `f`.`id` = `a1`.`id` and `a1`.`attr1` between 12 and 14
This should use facts, a2 and its subquery: This should use facts, a2 and its subquery:
explain extended select id from v2 where attr2 between 12 and 14; explain extended select id from v2 where attr2 between 12 and 14;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
@@ -171,7 +171,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t2 ref PRIMARY PRIMARY 4 test.f.id 2 100.00 Using index 3 DEPENDENT SUBQUERY t2 ref PRIMARY PRIMARY 4 test.f.id 2 100.00 Using index
Warnings: Warnings:
Note 1276 Field or reference 'test.f.id' of SELECT #3 was resolved in SELECT #2 Note 1276 Field or reference 'test.f.id' of SELECT #3 was resolved in SELECT #2
Note 1003 select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t2` `a2` where `f`.`id` = `a2`.`id` and `a2`.`attr2` between 12 and 14 and `a2`.`fromdate` = (select max(`test`.`t2`.`fromdate`) from `test`.`t2` where `test`.`t2`.`id` = `f`.`id`) Note 1003 /* select#1 */ select `f`.`id` AS `id` from `test`.`t0` `f` join `test`.`t2` `a2` where `f`.`id` = `a2`.`id` and `a2`.`attr2` between 12 and 14 and `a2`.`fromdate` = (/* select#3 */ select max(`test`.`t2`.`fromdate`) from `test`.`t2` where `test`.`t2`.`id` = `f`.`id`)
drop view v1, v2; drop view v1, v2;
drop table t0, t1, t2; drop table t0, t1, t2;
create table t1 (a int); create table t1 (a int);
@@ -654,7 +654,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 index NULL b 5 NULL 2 100.00 Using where; Using index 1 PRIMARY t2 index NULL b 5 NULL 2 100.00 Using where; Using index
2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1 100.00 2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 1 100.00
Warnings: Warnings:
Note 1003 select `test`.`t2`.`b` AS `b` from `test`.`t2` where <expr_cache><`test`.`t2`.`b`>(<in_optimizer>(`test`.`t2`.`b`,<exists>(select sum(1) from dual where 1 having <cache>(`test`.`t2`.`b`) = <ref_null_helper>(sum(1))))) Note 1003 /* select#1 */ select `test`.`t2`.`b` AS `b` from `test`.`t2` where <expr_cache><`test`.`t2`.`b`>(<in_optimizer>(`test`.`t2`.`b`,<exists>(/* select#2 */ select sum(1) from dual where 1 having <cache>(`test`.`t2`.`b`) = <ref_null_helper>(sum(1)))))
DROP TABLE t1,t2; DROP TABLE t1,t2;
# #
# MDEV-4840: Wrong result (missing rows) on LEFT JOIN with InnoDB tables # MDEV-4840: Wrong result (missing rows) on LEFT JOIN with InnoDB tables

12
mysql-test/r/union.result
View File

@@ -88,7 +88,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 UNION t2 ALL NULL NULL NULL NULL 4 100.00 Using filesort 2 UNION t2 ALL NULL NULL NULL NULL 4 100.00 Using filesort
NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL Using filesort NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL Using filesort
Warnings: Warnings:
Note 1003 (select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` limit 2) union all (select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` order by `test`.`t2`.`a` limit 1) order by `b` desc Note 1003 (/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` limit 2) union all (/* select#2 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t2` order by `test`.`t2`.`a` limit 1) order by `b` desc
select count(*) from ( select count(*) from (
(select a,b from t1 limit 2) union all (select a,b from t2 order by a)) q; (select a,b from t1 limit 2) union all (select a,b from t2 order by a)) q;
count(*) count(*)
@@ -544,7 +544,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 UNION t2 const PRIMARY PRIMARY 4 const 1 100.00 2 UNION t2 const PRIMARY PRIMARY 4 const 1 100.00
NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL
Warnings: Warnings:
Note 1003 (select 1 AS `a`,1 AS `b` from `test`.`t1` where 1) union (select 1 AS `a`,10 AS `b` from `test`.`t2` where 1) Note 1003 (/* select#1 */ select 1 AS `a`,1 AS `b` from `test`.`t1` where 1) union (/* select#2 */ select 1 AS `a`,10 AS `b` from `test`.`t2` where 1)
(select * from t1 where a=5) union (select * from t2 where a=1); (select * from t1 where a=5) union (select * from t2 where a=1);
a b a b
1 10 1 10
@@ -1616,7 +1616,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 UNION t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 UNION t1 system NULL NULL NULL NULL 0 0.00 const row not found
NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL Using filesort NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL Using filesort
Warnings: Warnings:
Note 1003 select NULL AS `a` from `test`.`t1` union select NULL AS `a` from `test`.`t1` order by `a` Note 1003 /* select#1 */ select NULL AS `a` from `test`.`t1` union /* select#2 */ select NULL AS `a` from `test`.`t1` order by `a`
DROP TABLE t1; DROP TABLE t1;
# #
# Bug#32858: Error: "Incorrect usage of UNION and INTO" does not take # Bug#32858: Error: "Incorrect usage of UNION and INTO" does not take
@@ -1670,7 +1670,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 UNION t1 ALL NULL NULL NULL NULL 2 100.00 2 UNION t1 ALL NULL NULL NULL NULL 2 100.00
NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL Using filesort NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL Using filesort
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` union select `test`.`t1`.`a` AS `a` from `test`.`t1` order by `a` + 12 Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` union /* select#2 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` order by `a` + 12
# Should not crash # Should not crash
SELECT * FROM t1 UNION SELECT * FROM t1 ORDER BY a + 12; SELECT * FROM t1 UNION SELECT * FROM t1 ORDER BY a + 12;
a a
@@ -1685,7 +1685,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 UNION t1 ALL NULL NULL NULL NULL 2 100.00 2 UNION t1 ALL NULL NULL NULL NULL 2 100.00
NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL Using filesort NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL Using filesort
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` union select `test`.`t1`.`a` AS `a` from `test`.`t1` order by (match `a` against ('+abc' in boolean mode)) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` union /* select#2 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` order by (match `a` against ('+abc' in boolean mode))
# Should not crash # Should not crash
SELECT * FROM t1 UNION SELECT * FROM t1 SELECT * FROM t1 UNION SELECT * FROM t1
ORDER BY MATCH(a) AGAINST ('+abc' IN BOOLEAN MODE); ORDER BY MATCH(a) AGAINST ('+abc' IN BOOLEAN MODE);
@@ -1709,7 +1709,7 @@ NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL Using filesort
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where 3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'a' of SELECT #3 was resolved in SELECT #-1 Note 1276 Field or reference 'a' of SELECT #3 was resolved in SELECT #-1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` union select `test`.`t1`.`a` AS `a` from `test`.`t1` order by <expr_cache><`a`>((select `a` from `test`.`t2` where `test`.`t2`.`b` = 12)) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` union /* select#2 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` order by <expr_cache><`a`>((/* select#3 */ select `a` from `test`.`t2` where `test`.`t2`.`b` = 12))
# Should not crash # Should not crash
SELECT * FROM t1 UNION SELECT * FROM t1 SELECT * FROM t1 UNION SELECT * FROM t1
ORDER BY (SELECT a FROM t2 WHERE b = 12); ORDER BY (SELECT a FROM t2 WHERE b = 12);

1
mysql-test/r/userstat.result
View File

@@ -128,6 +128,7 @@ Handler_read_rnd_next 5
Handler_rollback 2 Handler_rollback 2
Handler_savepoint 0 Handler_savepoint 0
Handler_savepoint_rollback 0 Handler_savepoint_rollback 0
Handler_tmp_delete 0
Handler_tmp_update 0 Handler_tmp_update 0
Handler_tmp_write 0 Handler_tmp_write 0
Handler_update 5 Handler_update 5

28
mysql-test/r/view.result
View File

@@ -72,7 +72,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 5 100.00 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 5 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00 2 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00
Warnings: Warnings:
Note 1003 select `v2`.`c` AS `c` from `test`.`v2` Note 1003 /* select#1 */ select `v2`.`c` AS `c` from `test`.`v2`
create view v3 (c) as select a+1 from v1; create view v3 (c) as select a+1 from v1;
ERROR 42S22: Unknown column 'a' in 'field list' ERROR 42S22: Unknown column 'a' in 'field list'
create view v3 (c) as select b+1 from v1; create view v3 (c) as select b+1 from v1;
@@ -104,7 +104,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DERIVED <derived3> ALL NULL NULL NULL NULL 5 100.00 2 DERIVED <derived3> ALL NULL NULL NULL NULL 5 100.00
3 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00 3 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00
Warnings: Warnings:
Note 1003 select `v4`.`c` AS `c` from `test`.`v4` Note 1003 /* select#1 */ select `v4`.`c` AS `c` from `test`.`v4`
create view v5 (c) as select c+1 from v2; create view v5 (c) as select c+1 from v2;
select c from v5; select c from v5;
c c
@@ -118,7 +118,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived3> ALL NULL NULL NULL NULL 5 100.00 1 PRIMARY <derived3> ALL NULL NULL NULL NULL 5 100.00
3 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00 3 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00
Warnings: Warnings:
Note 1003 select `v2`.`c` + 1 AS `c` from `test`.`v2` Note 1003 /* select#1 */ select `v2`.`c` + 1 AS `c` from `test`.`v2`
create algorithm=temptable view v6 (c) as select c+1 from v1; create algorithm=temptable view v6 (c) as select c+1 from v1;
select c from v6; select c from v6;
c c
@@ -132,7 +132,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 5 100.00 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 5 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00 2 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00
Warnings: Warnings:
Note 1003 select `v6`.`c` AS `c` from `test`.`v6` Note 1003 /* select#1 */ select `v6`.`c` AS `c` from `test`.`v6`
show tables; show tables;
Tables_in_test Tables_in_test
t1 t1
@@ -4643,7 +4643,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 3 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00
Warnings: Warnings:
Note 1926 View 'test'.'v2' ORDER BY clause ignored because there is other ORDER BY clause already Note 1926 View 'test'.'v2' ORDER BY clause ignored because there is other ORDER BY clause already
Note 1003 select `v1`.`f1` AS `f1`,`v1`.`f1` AS `f1` from `test`.`v1` join `test`.`v1` order by `v1`.`f1` Note 1003 /* select#1 */ select `v1`.`f1` AS `f1`,`v1`.`f1` AS `f1` from `test`.`v1` join `test`.`v1` order by `v1`.`f1`
DROP VIEW v1, v2; DROP VIEW v1, v2;
DROP TABLE t1; DROP TABLE t1;
# #
@@ -4669,7 +4669,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t4 ALL NULL NULL NULL NULL 2 100.00 Using where 2 DEPENDENT SUBQUERY t4 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a`,10 AS `a` from `test`.`t1` where !<expr_cache><10,`test`.`t1`.`a`>(<in_optimizer>(10,<exists>(select NULL from `test`.`t4` where `test`.`t4`.`a` >= `test`.`t1`.`a` and trigcond(<cache>(10) = NULL or <cache>(NULL is null)) having trigcond(NULL is null)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,10 AS `a` from `test`.`t1` where !<expr_cache><10,`test`.`t1`.`a`>(<in_optimizer>(10,<exists>(/* select#2 */ select NULL from `test`.`t4` where `test`.`t4`.`a` >= `test`.`t1`.`a` and trigcond(<cache>(10) = NULL or <cache>(NULL is null)) having trigcond(NULL is null))))
SELECT * FROM t1, t2 SELECT * FROM t1, t2
WHERE t2.a NOT IN (SELECT t3.b FROM t3 RIGHT JOIN t4 ON (t4.a = t3.a) WHERE t2.a NOT IN (SELECT t3.b FROM t3 RIGHT JOIN t4 ON (t4.a = t3.a)
WHERE t4.a >= t1.a); WHERE t4.a >= t1.a);
@@ -4685,7 +4685,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t4 ALL NULL NULL NULL NULL 2 100.00 Using where 2 DEPENDENT SUBQUERY t4 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'v1.a' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'v1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a`,10 AS `a` from `test`.`t1` where !<expr_cache><10,`test`.`t1`.`a`>(<in_optimizer>(10,<exists>(select NULL from `test`.`t4` where `test`.`t4`.`a` >= `test`.`t1`.`a` and trigcond(<cache>(10) = NULL or <cache>(NULL is null)) having trigcond(NULL is null)))) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,10 AS `a` from `test`.`t1` where !<expr_cache><10,`test`.`t1`.`a`>(<in_optimizer>(10,<exists>(/* select#2 */ select NULL from `test`.`t4` where `test`.`t4`.`a` >= `test`.`t1`.`a` and trigcond(<cache>(10) = NULL or <cache>(NULL is null)) having trigcond(NULL is null))))
SELECT * FROM v1, t2 SELECT * FROM v1, t2
WHERE t2.a NOT IN (SELECT t3.b FROM t3 RIGHT JOIN t4 ON (t4.a = t3.a) WHERE t2.a NOT IN (SELECT t3.b FROM t3 RIGHT JOIN t4 ON (t4.a = t3.a)
WHERE t4.a >= v1.a); WHERE t4.a >= v1.a);
@@ -4716,7 +4716,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1276 Field or reference 'test.t4.b' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t4.b' of SELECT #2 was resolved in SELECT #1
Note 1003 select 0 AS `c`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t4`.`c` AS `c` from `test`.`t4` where `test`.`t4`.`c` <= <expr_cache><`test`.`t4`.`b`>((select 0 from dual where 7 > `test`.`t4`.`b`)) Note 1003 /* select#1 */ select 0 AS `c`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t4`.`c` AS `c` from `test`.`t4` where `test`.`t4`.`c` <= <expr_cache><`test`.`t4`.`b`>((/* select#2 */ select 0 from dual where 7 > `test`.`t4`.`b`))
SELECT * FROM t3 , t4 SELECT * FROM t3 , t4
WHERE t4.c <= (SELECT t2.e FROM t2 LEFT JOIN t1 ON ( t1.a = t2.d ) WHERE t4.c <= (SELECT t2.e FROM t2 LEFT JOIN t1 ON ( t1.a = t2.d )
WHERE t2.b > t4.b); WHERE t2.b > t4.b);
@@ -4733,7 +4733,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found 2 DEPENDENT SUBQUERY t1 system NULL NULL NULL NULL 0 0.00 const row not found
Warnings: Warnings:
Note 1276 Field or reference 'v4.b' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'v4.b' of SELECT #2 was resolved in SELECT #1
Note 1003 select 0 AS `c`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t4`.`c` AS `c` from `test`.`t4` where `test`.`t4`.`c` <= <expr_cache><`test`.`t4`.`b`>((select 0 from dual where 7 > `test`.`t4`.`b`)) Note 1003 /* select#1 */ select 0 AS `c`,`test`.`t4`.`a` AS `a`,`test`.`t4`.`b` AS `b`,`test`.`t4`.`c` AS `c` from `test`.`t4` where `test`.`t4`.`c` <= <expr_cache><`test`.`t4`.`b`>((/* select#2 */ select 0 from dual where 7 > `test`.`t4`.`b`))
SELECT * FROM t3, v4 SELECT * FROM t3, v4
WHERE v4.c <= (SELECT t2.e FROM t2 LEFT JOIN t1 ON ( t1.a = t2.d ) WHERE v4.c <= (SELECT t2.e FROM t2 LEFT JOIN t1 ON ( t1.a = t2.d )
WHERE t2.b > v4.b); WHERE t2.b > v4.b);
@@ -5599,7 +5599,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 6 100.00 Using where 3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 6 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2 Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2
Note 1003 select `test`.`t1`.`a` AS `a`,(select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) AS `c` from `test`.`t1` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,(/* select#3 */ select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) AS `c` from `test`.`t1`
select * from v1; select * from v1;
a c a c
1 2 1 2
@@ -5616,7 +5616,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 6 100.00 Using where 3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 6 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2 Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t1`.`a` AS `a`,(select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) AS `c` from `test`.`t2` join `test`.`t1` where `test`.`t1`.`a` = `test`.`t2`.`a` Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t1`.`a` AS `a`,(/* select#3 */ select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) AS `c` from `test`.`t2` join `test`.`t1` where `test`.`t1`.`a` = `test`.`t2`.`a`
select * from t2, v1 where t2.a=v1.a; select * from t2, v1 where t2.a=v1.a;
a b a c a b a c
1 2 1 2 1 2 1 2
@@ -5635,7 +5635,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 6 100.00 Using where 3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 6 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2 Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`a` AS `a`,(select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) AS `c` from `test`.`t1` join `test`.`t1` where `test`.`t1`.`a` = `test`.`t1`.`a` Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`a` AS `a`,(/* select#3 */ select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) AS `c` from `test`.`t1` join `test`.`t1` where `test`.`t1`.`a` = `test`.`t1`.`a`
select * from t1, v1 where t1.a=v1.a; select * from t1, v1 where t1.a=v1.a;
a b a c a b a c
1 2 1 2 1 2 1 2
@@ -5654,7 +5654,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 6 100.00 Using where 3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 6 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2 Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`a` AS `a`,(select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) AS `c` from `test`.`t1` join `test`.`t1` where `test`.`t1`.`b` = (select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`a` AS `a`,(/* select#3 */ select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) AS `c` from `test`.`t1` join `test`.`t1` where `test`.`t1`.`b` = (/* select#3 */ select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`)
select * from t1, v1 where t1.b=v1.c; select * from t1, v1 where t1.b=v1.c;
a b a c a b a c
1 2 1 2 1 2 1 2
@@ -5672,7 +5672,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 6 100.00 Using where 3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 6 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2 Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2
Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`a` AS `a`,(select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) AS `c` from `test`.`t2` join `test`.`t1` join `test`.`t1` where `test`.`t1`.`a` = `test`.`t2`.`a` and `test`.`t1`.`a` = `test`.`t2`.`a` Note 1003 /* select#1 */ select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`a` AS `a`,(/* select#3 */ select max(`test`.`t2`.`b`) from `test`.`t2` where `test`.`t1`.`a` = `test`.`t2`.`a`) AS `c` from `test`.`t2` join `test`.`t1` join `test`.`t1` where `test`.`t1`.`a` = `test`.`t2`.`a` and `test`.`t1`.`a` = `test`.`t2`.`a`
select * from t2, t1, v1 where t1.a=t2.a and t1.a=v1.a; select * from t2, t1, v1 where t1.a=t2.a and t1.a=v1.a;
a b a b a c a b a b a c
1 2 1 2 1 2 1 2 1 2 1 2

4
mysql-test/suite/archive/archive_gis.result
View File

@@ -507,8 +507,8 @@ down3,left3,right3,up3
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS equals FROM t1 a1 JOIN t1 a2 ON Equals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS equals FROM t1 a1 JOIN t1 a2 ON Equals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
equals equals
center center
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersect FROM t1 a1 JOIN t1 a2 ON Intersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersects FROM t1 a1 JOIN t1 a2 ON Intersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
intersect intersects
big,center,down,down2,left,left2,right,right2,small,up,up2 big,center,down,down2,left,left2,right,right2,small,up,up2
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS overlaps FROM t1 a1 JOIN t1 a2 ON Overlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS overlaps FROM t1 a1 JOIN t1 a2 ON Overlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
overlaps overlaps

4
mysql-test/suite/innodb/r/innodb_gis.result
View File

@@ -507,8 +507,8 @@ down3,left3,right3,up3
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS equals FROM t1 a1 JOIN t1 a2 ON Equals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS equals FROM t1 a1 JOIN t1 a2 ON Equals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
equals equals
center center
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersect FROM t1 a1 JOIN t1 a2 ON Intersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersects FROM t1 a1 JOIN t1 a2 ON Intersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
intersect intersects
big,center,down,down2,left,left2,right,right2,small,up,up2 big,center,down,down2,left,left2,right,right2,small,up,up2
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS overlaps FROM t1 a1 JOIN t1 a2 ON Overlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS overlaps FROM t1 a1 JOIN t1 a2 ON Overlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
overlaps overlaps

6
mysql-test/suite/innodb_fts/r/fulltext_misc.result
View File

@@ -148,7 +148,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 UNION t1 ALL NULL NULL NULL NULL 2 100.00 2 UNION t1 ALL NULL NULL NULL NULL 2 100.00
NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL Using filesort NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL Using filesort
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` union select `test`.`t1`.`a` AS `a` from `test`.`t1` order by `a` + 12 Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` union /* select#2 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` order by `a` + 12
# Should not crash # Should not crash
SELECT * FROM t1 UNION SELECT * FROM t1 ORDER BY a + 12; SELECT * FROM t1 UNION SELECT * FROM t1 ORDER BY a + 12;
a a
@@ -163,7 +163,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 UNION t1 ALL NULL NULL NULL NULL 2 100.00 2 UNION t1 ALL NULL NULL NULL NULL 2 100.00
NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL Using filesort NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL Using filesort
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` union select `test`.`t1`.`a` AS `a` from `test`.`t1` order by (match `a` against ('+abc' in boolean mode)) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` union /* select#2 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` order by (match `a` against ('+abc' in boolean mode))
# Should not crash # Should not crash
SELECT * FROM t1 UNION SELECT * FROM t1 SELECT * FROM t1 UNION SELECT * FROM t1
ORDER BY MATCH(a) AGAINST ('+abc' IN BOOLEAN MODE); ORDER BY MATCH(a) AGAINST ('+abc' IN BOOLEAN MODE);
@@ -181,7 +181,7 @@ NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL NULL Using filesort
3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where 3 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1276 Field or reference 'a' of SELECT #3 was resolved in SELECT #-1 Note 1276 Field or reference 'a' of SELECT #3 was resolved in SELECT #-1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` union select `test`.`t1`.`a` AS `a` from `test`.`t1` order by <expr_cache><`a`>((select `a` from `test`.`t2` where `test`.`t2`.`b` = 12)) Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` union /* select#2 */ select `test`.`t1`.`a` AS `a` from `test`.`t1` order by <expr_cache><`a`>((/* select#3 */ select `a` from `test`.`t2` where `test`.`t2`.`b` = 12))
# Should not crash # Should not crash
SELECT * FROM t1 UNION SELECT * FROM t1 SELECT * FROM t1 UNION SELECT * FROM t1
ORDER BY (SELECT a FROM t2 WHERE b = 12); ORDER BY (SELECT a FROM t2 WHERE b = 12);

4
mysql-test/suite/innodb_gis/r/0.result
View File

@@ -507,8 +507,8 @@ down3,left3,right3,up3
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS equals FROM t1 a1 JOIN t1 a2 ON Equals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS equals FROM t1 a1 JOIN t1 a2 ON Equals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
equals equals
center center
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersect FROM t1 a1 JOIN t1 a2 ON Intersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersects FROM t1 a1 JOIN t1 a2 ON Intersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
intersect intersects
big,center,down,down2,left,left2,right,right2,small,up,up2 big,center,down,down2,left,left2,right,right2,small,up,up2
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS overlaps FROM t1 a1 JOIN t1 a2 ON Overlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS overlaps FROM t1 a1 JOIN t1 a2 ON Overlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
overlaps overlaps

4
mysql-test/suite/innodb_gis/r/1.result
View File

@@ -868,8 +868,8 @@ down3,left3,right3,up3
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRequals FROM t1 a1 JOIN t1 a2 ON MBREquals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRequals FROM t1 a1 JOIN t1 a2 ON MBREquals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
MBRequals MBRequals
center center
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersect FROM t1 a1 JOIN t1 a2 ON MBRIntersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersects FROM t1 a1 JOIN t1 a2 ON MBRIntersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
intersect intersects
big,center,down,down2,left,left2,right,right2,small,up,up2 big,center,down,down2,left,left2,right,right2,small,up,up2
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRoverlaps FROM t1 a1 JOIN t1 a2 ON MBROverlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRoverlaps FROM t1 a1 JOIN t1 a2 ON MBROverlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
MBRoverlaps MBRoverlaps

4
mysql-test/suite/innodb_gis/r/gis.result
View File

@@ -864,8 +864,8 @@ down3,left3,right3,up3
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRequals FROM t1 a1 JOIN t1 a2 ON MBREquals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRequals FROM t1 a1 JOIN t1 a2 ON MBREquals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
MBRequals MBRequals
center center
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersect FROM t1 a1 JOIN t1 a2 ON MBRIntersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersects FROM t1 a1 JOIN t1 a2 ON MBRIntersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
intersect intersects
big,center,down,down2,left,left2,right,right2,small,up,up2 big,center,down,down2,left,left2,right,right2,small,up,up2
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRoverlaps FROM t1 a1 JOIN t1 a2 ON MBROverlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRoverlaps FROM t1 a1 JOIN t1 a2 ON MBROverlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
MBRoverlaps MBRoverlaps

2
mysql-test/suite/innodb_gis/t/1.test
View File

@@ -616,7 +616,7 @@ SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS mbrwithin FROM t1 a1 JOIN t1
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRcontains FROM t1 a1 JOIN t1 a2 ON MBRContains( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRcontains FROM t1 a1 JOIN t1 a2 ON MBRContains( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRdisjoint FROM t1 a1 JOIN t1 a2 ON MBRDisjoint( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRdisjoint FROM t1 a1 JOIN t1 a2 ON MBRDisjoint( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRequals FROM t1 a1 JOIN t1 a2 ON MBREquals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRequals FROM t1 a1 JOIN t1 a2 ON MBREquals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersect FROM t1 a1 JOIN t1 a2 ON MBRIntersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersects FROM t1 a1 JOIN t1 a2 ON MBRIntersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRoverlaps FROM t1 a1 JOIN t1 a2 ON MBROverlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRoverlaps FROM t1 a1 JOIN t1 a2 ON MBROverlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS ST_touches FROM t1 a1 JOIN t1 a2 ON ST_Touches( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS ST_touches FROM t1 a1 JOIN t1 a2 ON ST_Touches( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRwithin FROM t1 a1 JOIN t1 a2 ON MBRWithin( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRwithin FROM t1 a1 JOIN t1 a2 ON MBRWithin( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;

2
mysql-test/suite/innodb_gis/t/gis.test
View File

@@ -610,7 +610,7 @@ SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS mbrwithin FROM t1 a1 JOIN t1
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRcontains FROM t1 a1 JOIN t1 a2 ON MBRContains( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRcontains FROM t1 a1 JOIN t1 a2 ON MBRContains( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRdisjoint FROM t1 a1 JOIN t1 a2 ON MBRDisjoint( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRdisjoint FROM t1 a1 JOIN t1 a2 ON MBRDisjoint( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRequals FROM t1 a1 JOIN t1 a2 ON MBREquals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRequals FROM t1 a1 JOIN t1 a2 ON MBREquals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersect FROM t1 a1 JOIN t1 a2 ON MBRIntersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersects FROM t1 a1 JOIN t1 a2 ON MBRIntersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRoverlaps FROM t1 a1 JOIN t1 a2 ON MBROverlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRoverlaps FROM t1 a1 JOIN t1 a2 ON MBROverlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS ST_touches FROM t1 a1 JOIN t1 a2 ON ST_Touches( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS ST_touches FROM t1 a1 JOIN t1 a2 ON ST_Touches( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRwithin FROM t1 a1 JOIN t1 a2 ON MBRWithin( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS MBRwithin FROM t1 a1 JOIN t1 a2 ON MBRWithin( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;

2
mysql-test/suite/vcol/r/vcol_view_innodb.result
View File

@@ -35,7 +35,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 5 100.00 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 5 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00 2 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00
Warnings: Warnings:
Note 1003 select `v2`.`d` AS `d`,`v2`.`e` AS `e` from `test`.`v2` Note 1003 /* select#1 */ select `v2`.`d` AS `d`,`v2`.`e` AS `e` from `test`.`v2`
create view v3 (d,e) as select d*2, e*2 from v1; create view v3 (d,e) as select d*2, e*2 from v1;
select * from v3; select * from v3;
d e d e

2
mysql-test/suite/vcol/r/vcol_view_myisam.result
View File

@@ -35,7 +35,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 5 100.00 1 PRIMARY <derived2> ALL NULL NULL NULL NULL 5 100.00
2 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00 2 DERIVED t1 ALL NULL NULL NULL NULL 5 100.00
Warnings: Warnings:
Note 1003 select `v2`.`d` AS `d`,`v2`.`e` AS `e` from `test`.`v2` Note 1003 /* select#1 */ select `v2`.`d` AS `d`,`v2`.`e` AS `e` from `test`.`v2`
create view v3 (d,e) as select d*2, e*2 from v1; create view v3 (d,e) as select d*2, e*2 from v1;
select * from v3; select * from v3;
d e d e

83
mysql-test/t/except.test Normal file
View File

@@ -0,0 +1,83 @@
create table t1 (a int, b int) engine=MyISAM;
create table t2 (c int, d int) engine=MyISAM;
insert into t1 values (1,1),(2,2);
insert into t2 values (2,2),(3,3);
(select a,b from t1) except (select c,d from t2);
EXPLAIN (select a,b from t1) except (select c,d from t2);
EXPLAIN extended (select a,b from t1) except (select c,d from t2);
EXPLAIN extended select * from ((select a,b from t1) except (select c,d from t2)) a;
EXPLAIN format=json (select a,b from t1) except (select c,d from t2);
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
ANALYZE format=json (select a,b from t1) except (select c,d from t2);
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
ANALYZE format=json select * from ((select a,b from t1) except (select c,d from t2)) a;
select * from ((select a,b from t1) except (select c,d from t2)) a;
prepare stmt from "(select a,b from t1) except (select c,d from t2)";
execute stmt;
execute stmt;
prepare stmt from "select * from ((select a,b from t1) except (select c,d from t2)) a";
execute stmt;
execute stmt;
drop tables t1,t2;
create table t1 (a int, b int) engine=MyISAM;
create table t2 (c int, d int) engine=MyISAM;
create table t3 (e int, f int) engine=MyISAM;
create table t4 (g int, h int) engine=MyISAM;
insert into t1 values (1,1),(2,2);
insert into t2 values (2,2),(3,3);
insert into t3 values (4,4),(5,5);
insert into t4 values (4,4),(7,7);
(select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4);
EXPLAIN (select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4);
EXPLAIN (select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4);
EXPLAIN extended select * from ((select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4)) a;
EXPLAIN format=json (select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4);
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
ANALYZE format=json (select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4);
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
ANALYZE format=json select * from ((select a,b,e,f from t1,t3) except
(select c,d,g,h from t2,t4)) a;
select * from ((select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4)) a;
prepare stmt from "(select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4)";
execute stmt;
execute stmt;
prepare stmt from "select * from ((select a,b,e,f from t1,t3) except (select c,d,g,h from t2,t4)) a";
execute stmt;
execute stmt;
drop tables t1,t2,t3,t4;
select 1 as a from dual except select 1 from dual;
(select 1 from dual) except (select 1 from dual);
--error ER_WRONG_USAGE
(select 1 from dual into @v) except (select 1 from dual);
--error ER_PARSE_ERROR
select 1 from dual ORDER BY 1 except select 1 from dual;
select 1 as a from dual union all select 1 from dual;
--error ER_WRONG_USAGE
select 1 from dual except all select 1 from dual;
create table t1 (a int, b blob, a1 int, b1 blob) engine=MyISAM;
create table t2 (c int, d blob, c1 int, d1 blob) engine=MyISAM;
insert into t1 values (1,"ddd", 1, "sdfrrwwww"),(2, "fgh", 2, "dffggtt");
insert into t2 values (2, "fgh", 2, "dffggtt"),(3, "ffggddd", 3, "dfgg");
(select a,b,b1 from t1) except (select c,d,d1 from t2);
# make sure that blob is used
create table t3 (select a,b,b1 from t1) except (select c,d,d1 from t2);
show create table t3;
drop tables t1,t2,t3;

2
mysql-test/t/gis.test
View File

@@ -590,7 +590,7 @@ SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS mbrwithin FROM t1 a1 JOIN t1
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS contains FROM t1 a1 JOIN t1 a2 ON Contains( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS contains FROM t1 a1 JOIN t1 a2 ON Contains( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS disjoint FROM t1 a1 JOIN t1 a2 ON Disjoint( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS disjoint FROM t1 a1 JOIN t1 a2 ON Disjoint( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS equals FROM t1 a1 JOIN t1 a2 ON Equals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS equals FROM t1 a1 JOIN t1 a2 ON Equals( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersect FROM t1 a1 JOIN t1 a2 ON Intersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS intersects FROM t1 a1 JOIN t1 a2 ON Intersects( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS overlaps FROM t1 a1 JOIN t1 a2 ON Overlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS overlaps FROM t1 a1 JOIN t1 a2 ON Overlaps( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS touches FROM t1 a1 JOIN t1 a2 ON Touches( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS touches FROM t1 a1 JOIN t1 a2 ON Touches( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;
SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS within FROM t1 a1 JOIN t1 a2 ON Within( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name; SELECT GROUP_CONCAT(a2.name ORDER BY a2.name) AS within FROM t1 a1 JOIN t1 a2 ON Within( a1.square, a2.square) WHERE a1.name = "center" GROUP BY a1.name;

192
mysql-test/t/intersect.test Normal file
View File

@@ -0,0 +1,192 @@
create table t1 (a int, b int);
create table t2 (c int, d int);
insert into t1 values (1,1),(2,2);
insert into t2 values (2,2),(3,3);
(select a,b from t1) intersect (select c,d from t2);
drop tables t1,t2;
create table t1 (a int, b int) engine=MyISAM;
create table t2 (c int, d int) engine=MyISAM;
create table t3 (e int, f int) engine=MyISAM;
insert into t1 values (1,1),(2,2),(3,3);
insert into t2 values (2,2),(3,3),(4,4);
insert into t3 values (1,1),(2,2),(5,5);
(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
EXPLAIN (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
EXPLAIN extended (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
EXPLAIN extended select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a;
EXPLAIN format=json (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
ANALYZE format=json (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
ANALYZE format=json select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a;
select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a;
prepare stmt from "(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);";
execute stmt;
execute stmt;
prepare stmt from "select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a";
execute stmt;
execute stmt;
(select a,b from t1) intersect (select c,e from t2,t3);
EXPLAIN (select a,b from t1) intersect (select c,e from t2,t3);
EXPLAIN extended (select a,b from t1) intersect (select c,e from t2,t3);
EXPLAIN extended select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a;
EXPLAIN format=json (select a,b from t1) intersect (select c,e from t2,t3);
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
ANALYZE format=json (select a,b from t1) intersect (select c,e from t2,t3);
--replace_regex /"r_total_time_ms": [0-9]*[.]?[0-9]*/"r_total_time_ms": "REPLACED"/
ANALYZE format=json select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a;
select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a;
prepare stmt from "(select a,b from t1) intersect (select c,e from t2,t3);";
execute stmt;
execute stmt;
prepare stmt from "select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a";
execute stmt;
execute stmt;
drop tables t1,t2,t3;
select 1 as a from dual intersect select 1 from dual;
(select 1 from dual) intersect (select 1 from dual);
--error ER_WRONG_USAGE
(select 1 from dual into @v) intersect (select 1 from dual);
--error ER_PARSE_ERROR
select 1 from dual ORDER BY 1 intersect select 1 from dual;
select 1 as a from dual union all select 1 from dual;
--error ER_WRONG_USAGE
select 1 from dual intersect all select 1 from dual;
create table t1 (a int, b blob, a1 int, b1 blob);
create table t2 (c int, d blob, c1 int, d1 blob);
insert into t1 values (1,"ddd", 1, "sdfrrwwww"),(2, "fgh", 2, "dffggtt");
insert into t2 values (2, "fgh", 2, "dffggtt"),(3, "ffggddd", 3, "dfgg");
(select a,b,b1 from t1) intersect (select c,d,d1 from t2);
drop tables t1,t2;
create table t1 (a int, b blob) engine=MyISAM;
create table t2 (c int, d blob) engine=MyISAM;
create table t3 (e int, f blob) engine=MyISAM;
insert into t1 values (1,1),(2,2),(3,3);
insert into t2 values (2,2),(3,3),(4,4);
insert into t3 values (1,1),(2,2),(5,5);
(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a;
prepare stmt from "(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);";
execute stmt;
execute stmt;
prepare stmt from "select * from ((select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3)) a";
execute stmt;
execute stmt;
# make sure that blob is used
create table t4 (select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3);
show create table t4;
drop tables t1,t2,t3,t4;
create table t1 (a int, b blob) engine=MyISAM;
create table t2 (c int, d blob) engine=MyISAM;
create table t3 (e int, f blob) engine=MyISAM;
insert into t1 values (1,1),(2,2),(3,3);
insert into t2 values (2,2),(3,3);
insert into t3 values (1,1),(2,2),(3,3);
--sorted_result
(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
--sorted_result
(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3) union (select 4,4) except (select 2,2);
drop tables t1,t2,t3;
create table t1 (a int, b int);
create table t2 (c int, d int);
create table t3 (e int, f int);
insert into t1 values (1,1),(2,2),(3,3);
insert into t2 values (2,2),(3,3);
insert into t3 values (1,1),(2,2),(3,3);
--sorted_result
(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
--sorted_result
(select a,b from t1) intersect (select c,d from t2) intersect (select e,f from t3) union (select 4,4) except (select 2,2);
drop tables t1,t2,t3;
--echo #
--echo # INTERSECT precedence
--echo #
create table t1 (a int, b blob) engine=MyISAM;
create table t2 (c int, d blob) engine=MyISAM;
create table t3 (e int, f blob) engine=MyISAM;
insert into t1 values (5,5),(6,6);
insert into t2 values (2,2),(3,3);
insert into t3 values (1,1),(3,3);
--sorted_result
(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
explain extended
(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
# test result of linear mix operation
--sorted_result
(select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4);
explain extended
(select e,f from t3) intersect (select c,d from t2) union (select a,b from t1) union (select 4,4);
--sorted_result
(/* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1`) union /* select#3 */ select `__3`.`c` AS `c`,`__3`.`d` AS `d` from ((/* select#2 */ select `test`.`t2`.`c` AS `c`,`test`.`t2`.`d` AS `d` from `test`.`t2`) intersect (/* select#4 */ select `test`.`t3`.`e` AS `e`,`test`.`t3`.`f` AS `f` from `test`.`t3`)) `__3` union (/* select#5 */ select 4 AS `4`,4 AS `4`);
--sorted_result
prepare stmt from "(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4)";
execute stmt;
execute stmt;
create view v1 as (select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
--sorted_result
select b,a,b+1 from v1;
--sorted_result
select b,a,b+1 from v1 where a > 3;
create procedure p1()
select * from v1;
--sorted_result
call p1();
--sorted_result
call p1();
drop procedure p1;
create procedure p1()
(select a,b from t1) union (select c,d from t2) intersect (select e,f from t3) union (select 4,4);
--sorted_result
call p1();
--sorted_result
call p1();
drop procedure p1;
show create view v1;
drop view v1;
drop tables t1,t2,t3;

16
sql/handler.h
View File

@@ -4153,11 +4153,27 @@ public:
virtual handlerton *partition_ht() const virtual handlerton *partition_ht() const
{ return ht; } { return ht; }
inline int ha_write_tmp_row(uchar *buf); inline int ha_write_tmp_row(uchar *buf);
inline int ha_delete_tmp_row(uchar *buf);
inline int ha_update_tmp_row(const uchar * old_data, uchar * new_data); inline int ha_update_tmp_row(const uchar * old_data, uchar * new_data);
virtual void set_lock_type(enum thr_lock_type lock); virtual void set_lock_type(enum thr_lock_type lock);
friend enum icp_result handler_index_cond_check(void* h_arg); friend enum icp_result handler_index_cond_check(void* h_arg);
/**
Find unique record by index or unique constrain
@param record record to find (also will be fillded with
actual record fields)
@param unique_ref index or unique constraiun number (depends
on what used in the engine
@retval -1 Error
@retval 1 Not found
@retval 0 Found
*/
virtual int find_unique_row(uchar *record, uint unique_ref)
{ return -1; /*unsupported */}
protected: protected:
Handler_share *get_ha_share_ptr(); Handler_share *get_ha_share_ptr();
void set_ha_share_ptr(Handler_share *arg_ha_share); void set_ha_share_ptr(Handler_share *arg_ha_share);

14
sql/item_subselect.cc
View File

@@ -118,7 +118,7 @@ void Item_subselect::init(st_select_lex *select_lex,
parsing_place= (outer_select->in_sum_expr ? parsing_place= (outer_select->in_sum_expr ?
NO_MATTER : NO_MATTER :
outer_select->parsing_place); outer_select->parsing_place);
if (unit->is_union()) if (unit->is_unit_op())
engine= new subselect_union_engine(unit, result, this); engine= new subselect_union_engine(unit, result, this);
else else
engine= new subselect_single_select_engine(select_lex, result, this); engine= new subselect_single_select_engine(select_lex, result, this);
@@ -1123,7 +1123,7 @@ Item_singlerow_subselect::select_transformer(JOIN *join)
SELECT_LEX *select_lex= join->select_lex; SELECT_LEX *select_lex= join->select_lex;
Query_arena *arena= thd->stmt_arena; Query_arena *arena= thd->stmt_arena;
if (!select_lex->master_unit()->is_union() && if (!select_lex->master_unit()->is_unit_op() &&
!select_lex->table_list.elements && !select_lex->table_list.elements &&
select_lex->item_list.elements == 1 && select_lex->item_list.elements == 1 &&
!select_lex->item_list.head()->with_sum_func && !select_lex->item_list.head()->with_sum_func &&
@@ -1819,7 +1819,7 @@ Item_in_subselect::single_value_transformer(JOIN *join)
if (!(join_having || select_lex->with_sum_func || if (!(join_having || select_lex->with_sum_func ||
select_lex->group_list.elements) && select_lex->group_list.elements) &&
select_lex->table_list.elements == 0 && select_lex->table_list.elements == 0 &&
!select_lex->master_unit()->is_union()) !select_lex->master_unit()->is_unit_op())
{ {
Item *where_item= (Item*) select_lex->item_list.head(); Item *where_item= (Item*) select_lex->item_list.head();
/* /*
@@ -2177,7 +2177,7 @@ Item_in_subselect::create_single_in_to_exists_cond(JOIN *join,
} }
else else
{ {
if (select_lex->master_unit()->is_union()) if (select_lex->master_unit()->is_unit_op())
{ {
Item *new_having= Item *new_having=
func->create(thd, expr, func->create(thd, expr,
@@ -3253,7 +3253,7 @@ bool Item_in_subselect::fix_fields(THD *thd_arg, Item **ref)
{ {
outer_cols_num= left_expr->cols(); outer_cols_num= left_expr->cols();
if (unit->is_union()) if (unit->is_unit_op())
inner_cols= &(unit->types); inner_cols= &(unit->types);
else else
inner_cols= &(unit->first_select()->item_list); inner_cols= &(unit->first_select()->item_list);
@@ -4845,7 +4845,7 @@ my_bitmap_init_memroot(MY_BITMAP *map, uint n_bits, MEM_ROOT *mem_root)
bool subselect_hash_sj_engine::init(List<Item> *tmp_columns, uint subquery_id) bool subselect_hash_sj_engine::init(List<Item> *tmp_columns, uint subquery_id)
{ {
THD *thd= get_thd(); THD *thd= get_thd();
select_union *result_sink; select_unit *result_sink;
/* Options to create_tmp_table. */ /* Options to create_tmp_table. */
ulonglong tmp_create_options= thd->variables.option_bits | TMP_TABLE_ALL_COLUMNS; ulonglong tmp_create_options= thd->variables.option_bits | TMP_TABLE_ALL_COLUMNS;
/* | TMP_TABLE_FORCE_MYISAM; TIMOUR: force MYISAM */ /* | TMP_TABLE_FORCE_MYISAM; TIMOUR: force MYISAM */
@@ -4897,7 +4897,7 @@ bool subselect_hash_sj_engine::init(List<Item> *tmp_columns, uint subquery_id)
} }
if (result_sink->create_result_table(thd, tmp_columns, TRUE, if (result_sink->create_result_table(thd, tmp_columns, TRUE,
tmp_create_options, tmp_create_options,
name, TRUE, TRUE)) name, TRUE, TRUE, FALSE, 0))
DBUG_RETURN(TRUE); DBUG_RETURN(TRUE);
tmp_table= result_sink->table; tmp_table= result_sink->table;

2
sql/lex.h
View File

@@ -217,6 +217,7 @@ static SYMBOL symbols[] = {
{ "EVENTS", SYM(EVENTS_SYM)}, { "EVENTS", SYM(EVENTS_SYM)},
{ "EVERY", SYM(EVERY_SYM)}, { "EVERY", SYM(EVERY_SYM)},
{ "EXAMINED", SYM(EXAMINED_SYM)}, { "EXAMINED", SYM(EXAMINED_SYM)},
{ "EXCEPT", SYM(EXCEPT_SYM)},
{ "EXCHANGE", SYM(EXCHANGE_SYM)}, { "EXCHANGE", SYM(EXCHANGE_SYM)},
{ "EXCLUDE", SYM(EXCLUDE_SYM)}, { "EXCLUDE", SYM(EXCLUDE_SYM)},
{ "EXECUTE", SYM(EXECUTE_SYM)}, { "EXECUTE", SYM(EXECUTE_SYM)},
@@ -280,6 +281,7 @@ static SYMBOL symbols[] = {
{ "IGNORE_SERVER_IDS", SYM(IGNORE_SERVER_IDS_SYM)}, { "IGNORE_SERVER_IDS", SYM(IGNORE_SERVER_IDS_SYM)},
{ "IMMEDIATE", SYM(IMMEDIATE_SYM)}, { "IMMEDIATE", SYM(IMMEDIATE_SYM)},
{ "IMPORT", SYM(IMPORT)}, { "IMPORT", SYM(IMPORT)},
{ "INTERSECT", SYM(INTERSECT_SYM)},
{ "IN", SYM(IN_SYM)}, { "IN", SYM(IN_SYM)},
{ "INDEX", SYM(INDEX_SYM)}, { "INDEX", SYM(INDEX_SYM)},
{ "INDEXES", SYM(INDEXES)}, { "INDEXES", SYM(INDEXES)},

1
sql/mysqld.cc
View File

@@ -8433,6 +8433,7 @@ SHOW_VAR status_vars[]= {
{"Handler_rollback", (char*) offsetof(STATUS_VAR, ha_rollback_count), SHOW_LONG_STATUS}, {"Handler_rollback", (char*) offsetof(STATUS_VAR, ha_rollback_count), SHOW_LONG_STATUS},
{"Handler_savepoint", (char*) offsetof(STATUS_VAR, ha_savepoint_count), SHOW_LONG_STATUS}, {"Handler_savepoint", (char*) offsetof(STATUS_VAR, ha_savepoint_count), SHOW_LONG_STATUS},
{"Handler_savepoint_rollback",(char*) offsetof(STATUS_VAR, ha_savepoint_rollback_count), SHOW_LONG_STATUS}, {"Handler_savepoint_rollback",(char*) offsetof(STATUS_VAR, ha_savepoint_rollback_count), SHOW_LONG_STATUS},
{"Handler_tmp_delete", (char*) offsetof(STATUS_VAR, ha_tmp_delete_count), SHOW_LONG_STATUS},
{"Handler_tmp_update", (char*) offsetof(STATUS_VAR, ha_tmp_update_count), SHOW_LONG_STATUS}, {"Handler_tmp_update", (char*) offsetof(STATUS_VAR, ha_tmp_update_count), SHOW_LONG_STATUS},
{"Handler_tmp_write", (char*) offsetof(STATUS_VAR, ha_tmp_write_count), SHOW_LONG_STATUS}, {"Handler_tmp_write", (char*) offsetof(STATUS_VAR, ha_tmp_write_count), SHOW_LONG_STATUS},
{"Handler_update", (char*) offsetof(STATUS_VAR, ha_update_count), SHOW_LONG_STATUS}, {"Handler_update", (char*) offsetof(STATUS_VAR, ha_update_count), SHOW_LONG_STATUS},

6
sql/mysqld.h
View File

@@ -689,11 +689,13 @@ enum enum_query_type
QT_ITEM_CACHE_WRAPPER_SKIP_DETAILS | QT_ITEM_CACHE_WRAPPER_SKIP_DETAILS |
QT_ITEM_SUBSELECT_ID_ONLY, QT_ITEM_SUBSELECT_ID_ONLY,
/// This is used for EXPLAIN EXTENDED extra warnings QT_SHOW_SELECT_NUMBER= (1<<10),
/// This is used for EXPLAIN EXTENDED extra warnings / Be more detailed
/// Be more detailed than QT_EXPLAIN. /// Be more detailed than QT_EXPLAIN.
/// Perhaps we should eventually include QT_ITEM_IDENT_SKIP_CURRENT_DATABASE /// Perhaps we should eventually include QT_ITEM_IDENT_SKIP_CURRENT_DATABASE
/// here, as it would give better readable results /// here, as it would give better readable results
QT_EXPLAIN_EXTENDED= QT_TO_SYSTEM_CHARSET, QT_EXPLAIN_EXTENDED= QT_TO_SYSTEM_CHARSET|
QT_SHOW_SELECT_NUMBER,
// If an expression is constant, print the expression, not the value // If an expression is constant, print the expression, not the value
// it evaluates to. Should be used for error messages, so that they // it evaluates to. Should be used for error messages, so that they

2
sql/opt_subselect.cc
View File

@@ -4888,7 +4888,7 @@ int rewrite_to_index_subquery_engine(JOIN *join)
join->unit->item && join->unit->item &&
join->unit->item->substype() == Item_subselect::IN_SUBS && join->unit->item->substype() == Item_subselect::IN_SUBS &&
join->table_count == 1 && join->conds && join->table_count == 1 && join->conds &&
!join->unit->is_union()) !join->unit->is_unit_op())
{ {
if (!join->having) if (!join->having)
{ {

9
sql/sql_class.cc
View File

@@ -3877,7 +3877,8 @@ create_result_table(THD *thd_arg, List<Item> *column_types,
bool is_union_distinct, ulonglong options, bool is_union_distinct, ulonglong options,
const char *table_alias, bool bit_fields_as_long, const char *table_alias, bool bit_fields_as_long,
bool create_table, bool create_table,
bool keep_row_order) bool keep_row_order,
uint hidden)
{ {
DBUG_ASSERT(table == 0); DBUG_ASSERT(table == 0);
tmp_table_param.field_count= column_types->elements; tmp_table_param.field_count= column_types->elements;
@@ -3912,12 +3913,12 @@ void select_materialize_with_stats::reset()
void select_materialize_with_stats::cleanup() void select_materialize_with_stats::cleanup()
{ {
reset(); reset();
select_union::cleanup(); select_unit::cleanup();
} }
/** /**
Override select_union::send_data to analyze each row for NULLs and to Override select_unit::send_data to analyze each row for NULLs and to
update null_statistics before sending data to the client. update null_statistics before sending data to the client.
@return TRUE if fatal error when sending data to the client @return TRUE if fatal error when sending data to the client
@@ -3932,7 +3933,7 @@ int select_materialize_with_stats::send_data(List<Item> &items)
uint nulls_in_row= 0; uint nulls_in_row= 0;
int res; int res;
if ((res= select_union::send_data(items))) if ((res= select_unit::send_data(items)))
return res; return res;
if (table->null_catch_flags & REJECT_ROW_DUE_TO_NULL_FIELDS) if (table->null_catch_flags & REJECT_ROW_DUE_TO_NULL_FIELDS)
{ {

48
sql/sql_class.h
View File

@@ -749,6 +749,7 @@ typedef struct system_status_var
/* The following are for internal temporary tables */ /* The following are for internal temporary tables */
ulong ha_tmp_update_count; ulong ha_tmp_update_count;
ulong ha_tmp_write_count; ulong ha_tmp_write_count;
ulong ha_tmp_delete_count;
ulong ha_prepare_count; ulong ha_prepare_count;
ulong ha_icp_attempts; ulong ha_icp_attempts;
ulong ha_icp_match; ulong ha_icp_match;
@@ -4862,17 +4863,22 @@ public:
}; };
class select_union :public select_result_interceptor class select_unit :public select_result_interceptor
{ {
uint curr_step, prev_step, curr_sel;
enum sub_select_type step;
public: public:
Item_int *intersect_mark;
TMP_TABLE_PARAM tmp_table_param; TMP_TABLE_PARAM tmp_table_param;
int write_err; /* Error code from the last send_data->ha_write_row call. */ int write_err; /* Error code from the last send_data->ha_write_row call. */
public:
TABLE *table; TABLE *table;
ha_rows records; ha_rows records;
select_union(THD *thd_arg): select_unit(THD *thd_arg):
select_result_interceptor(thd_arg), write_err(0), table(0), records(0) select_result_interceptor(thd_arg),
curr_step(0), prev_step(0), curr_sel(UINT_MAX),
step(UNION_TYPE), intersect_mark(0), write_err(0), table(0),
records(0)
{ tmp_table_param.init(); } { tmp_table_param.init(); }
int prepare(List<Item> &list, SELECT_LEX_UNIT *u); int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
/** /**
@@ -4894,12 +4900,13 @@ public:
const char *alias, const char *alias,
bool bit_fields_as_long, bool bit_fields_as_long,
bool create_table, bool create_table,
bool keep_row_order= FALSE); bool keep_row_order,
uint hidden);
TMP_TABLE_PARAM *get_tmp_table_param() { return &tmp_table_param; } TMP_TABLE_PARAM *get_tmp_table_param() { return &tmp_table_param; }
void change_select();
}; };
class select_union_recursive :public select_unit
class select_union_recursive :public select_union
{ {
public: public:
/* The temporary table with the new records generated by one iterative step */ /* The temporary table with the new records generated by one iterative step */
@@ -4910,7 +4917,7 @@ class select_union_recursive :public select_union
List<TABLE> rec_tables; List<TABLE> rec_tables;
select_union_recursive(THD *thd_arg): select_union_recursive(THD *thd_arg):
select_union(thd_arg), select_unit(thd_arg),
incr_table(0), first_rec_table_to_update(0) {}; incr_table(0), first_rec_table_to_update(0) {};
int send_data(List<Item> &items); int send_data(List<Item> &items);
@@ -4919,7 +4926,8 @@ class select_union_recursive :public select_union
const char *alias, const char *alias,
bool bit_fields_as_long, bool bit_fields_as_long,
bool create_table, bool create_table,
bool keep_row_order= FALSE); bool keep_row_order,
uint hidden);
void cleanup(); void cleanup();
}; };
@@ -4936,7 +4944,7 @@ class select_union_recursive :public select_union
have a global ORDER BY clause. @see st_select_lex_unit::prepare(). have a global ORDER BY clause. @see st_select_lex_unit::prepare().
*/ */
class select_union_direct :public select_union class select_union_direct :public select_unit
{ {
private: private:
/* Result object that receives all rows */ /* Result object that receives all rows */
@@ -4962,7 +4970,7 @@ public:
ha_rows send_records; ha_rows send_records;
select_union_direct(THD *thd_arg, select_result *result_arg, select_union_direct(THD *thd_arg, select_result *result_arg,
SELECT_LEX *last_select_lex_arg): SELECT_LEX *last_select_lex_arg):
select_union(thd_arg), result(result_arg), select_unit(thd_arg), result(result_arg),
last_select_lex(last_select_lex_arg), last_select_lex(last_select_lex_arg),
done_send_result_set_metadata(false), done_initialize_tables(false), done_send_result_set_metadata(false), done_initialize_tables(false),
limit_found_rows(0) limit_found_rows(0)
@@ -5045,7 +5053,7 @@ public:
about NULLs. about NULLs.
*/ */
class select_materialize_with_stats : public select_union class select_materialize_with_stats : public select_unit
{ {
protected: protected:
class Column_statistics class Column_statistics
@@ -5078,14 +5086,15 @@ protected:
void reset(); void reset();
public: public:
select_materialize_with_stats(THD *thd_arg): select_union(thd_arg) select_materialize_with_stats(THD *thd_arg): select_unit(thd_arg)
{ tmp_table_param.init(); } { tmp_table_param.init(); }
bool create_result_table(THD *thd, List<Item> *column_types, bool create_result_table(THD *thd, List<Item> *column_types,
bool is_distinct, ulonglong options, bool is_distinct, ulonglong options,
const char *alias, const char *alias,
bool bit_fields_as_long, bool bit_fields_as_long,
bool create_table, bool create_table,
bool keep_row_order= FALSE); bool keep_row_order,
uint hidden);
bool init_result_table(ulonglong select_options); bool init_result_table(ulonglong select_options);
int send_data(List<Item> &items); int send_data(List<Item> &items);
void cleanup(); void cleanup();
@@ -5650,6 +5659,17 @@ inline int handler::ha_write_tmp_row(uchar *buf)
return error; return error;
} }
inline int handler::ha_delete_tmp_row(uchar *buf)
{
int error;
MYSQL_DELETE_ROW_START(table_share->db.str, table_share->table_name.str);
increment_statistics(&SSV::ha_tmp_delete_count);
TABLE_IO_WAIT(tracker, m_psi, PSI_TABLE_DELETE_ROW, MAX_KEY, 0,
{ error= delete_row(buf); })
MYSQL_DELETE_ROW_DONE(error);
return error;
}
inline int handler::ha_update_tmp_row(const uchar *old_data, uchar *new_data) inline int handler::ha_update_tmp_row(const uchar *old_data, uchar *new_data)
{ {
int error; int error;

2
sql/sql_cte.h
View File

@@ -4,7 +4,7 @@
#include "sql_lex.h" #include "sql_lex.h"
#include "sql_select.h" #include "sql_select.h"
class select_union; class select_unit;
struct st_unit_ctxt_elem; struct st_unit_ctxt_elem;

6
sql/sql_cursor.cc
View File

@@ -68,13 +68,13 @@ public:
create a Materialized_cursor. create a Materialized_cursor.
*/ */
class Select_materialize: public select_union class Select_materialize: public select_unit
{ {
select_result *result; /**< the result object of the caller (PS or SP) */ select_result *result; /**< the result object of the caller (PS or SP) */
public: public:
Materialized_cursor *materialized_cursor; Materialized_cursor *materialized_cursor;
Select_materialize(THD *thd_arg, select_result *result_arg): Select_materialize(THD *thd_arg, select_result *result_arg):
select_union(thd_arg), result(result_arg), materialized_cursor(0) {} select_unit(thd_arg), result(result_arg), materialized_cursor(0) {}
virtual bool send_result_set_metadata(List<Item> &list, uint flags); virtual bool send_result_set_metadata(List<Item> &list, uint flags);
bool send_eof() bool send_eof()
{ {
@@ -436,7 +436,7 @@ bool Select_materialize::send_result_set_metadata(List<Item> &list, uint flags)
if (create_result_table(unit->thd, unit->get_column_types(true), if (create_result_table(unit->thd, unit->get_column_types(true),
FALSE, FALSE,
thd->variables.option_bits | TMP_TABLE_ALL_COLUMNS, thd->variables.option_bits | TMP_TABLE_ALL_COLUMNS,
"", FALSE, TRUE, TRUE)) "", FALSE, TRUE, TRUE, 0))
return TRUE; return TRUE;
materialized_cursor= new (&table->mem_root) materialized_cursor= new (&table->mem_root)

19
sql/sql_derived.cc
View File

@@ -652,7 +652,7 @@ bool mysql_derived_prepare(THD *thd, LEX *lex, TABLE_LIST *derived)
specification has been already prepared (a secondary recursive table specification has been already prepared (a secondary recursive table
reference. reference.
*/ */
if (!(derived->derived_result= new (thd->mem_root) select_union(thd))) if (!(derived->derived_result= new (thd->mem_root) select_unit(thd)))
DBUG_RETURN(TRUE); // out of memory DBUG_RETURN(TRUE); // out of memory
thd->create_tmp_table_for_derived= TRUE; thd->create_tmp_table_for_derived= TRUE;
res= derived->derived_result->create_result_table( res= derived->derived_result->create_result_table(
@@ -660,7 +660,7 @@ bool mysql_derived_prepare(THD *thd, LEX *lex, TABLE_LIST *derived)
(first_select->options | (first_select->options |
thd->variables.option_bits | thd->variables.option_bits |
TMP_TABLE_ALL_COLUMNS), TMP_TABLE_ALL_COLUMNS),
derived->alias, FALSE, FALSE); derived->alias, FALSE, FALSE, FALSE, 0);
thd->create_tmp_table_for_derived= FALSE; thd->create_tmp_table_for_derived= FALSE;
if (!res && !derived->table) if (!res && !derived->table)
@@ -715,7 +715,7 @@ bool mysql_derived_prepare(THD *thd, LEX *lex, TABLE_LIST *derived)
unit->derived= derived; unit->derived= derived;
derived->fill_me= FALSE; derived->fill_me= FALSE;
if (!(derived->derived_result= new (thd->mem_root) select_union(thd))) if (!(derived->derived_result= new (thd->mem_root) select_unit(thd)))
DBUG_RETURN(TRUE); // out of memory DBUG_RETURN(TRUE); // out of memory
lex->context_analysis_only|= CONTEXT_ANALYSIS_ONLY_DERIVED; lex->context_analysis_only|= CONTEXT_ANALYSIS_ONLY_DERIVED;
@@ -743,7 +743,7 @@ bool mysql_derived_prepare(THD *thd, LEX *lex, TABLE_LIST *derived)
As 'distinct' parameter we always pass FALSE (0), because underlying As 'distinct' parameter we always pass FALSE (0), because underlying
query will control distinct condition by itself. Correct test of query will control distinct condition by itself. Correct test of
distinct underlying query will be is_union && distinct underlying query will be is_unit_op &&
!unit->union_distinct->next_select() (i.e. it is union and last distinct !unit->union_distinct->next_select() (i.e. it is union and last distinct
SELECT is last SELECT of UNION). SELECT is last SELECT of UNION).
*/ */
@@ -754,7 +754,8 @@ bool mysql_derived_prepare(THD *thd, LEX *lex, TABLE_LIST *derived)
thd->variables.option_bits | thd->variables.option_bits |
TMP_TABLE_ALL_COLUMNS), TMP_TABLE_ALL_COLUMNS),
derived->alias, derived->alias,
FALSE, FALSE, FALSE)) FALSE, FALSE, FALSE,
0))
{ {
thd->create_tmp_table_for_derived= FALSE; thd->create_tmp_table_for_derived= FALSE;
goto exit; goto exit;
@@ -852,7 +853,7 @@ bool mysql_derived_optimize(THD *thd, LEX *lex, TABLE_LIST *derived)
DBUG_RETURN(FALSE); DBUG_RETURN(FALSE);
lex->current_select= first_select; lex->current_select= first_select;
if (unit->is_union()) if (unit->is_unit_op())
{ {
// optimize union without execution // optimize union without execution
res= unit->optimize(); res= unit->optimize();
@@ -917,7 +918,7 @@ bool mysql_derived_create(THD *thd, LEX *lex, TABLE_LIST *derived)
if (table->is_created()) if (table->is_created())
DBUG_RETURN(FALSE); DBUG_RETURN(FALSE);
select_union *result= derived->derived_result; select_unit *result= derived->derived_result;
if (table->s->db_type() == TMP_ENGINE_HTON) if (table->s->db_type() == TMP_ENGINE_HTON)
{ {
result->tmp_table_param.keyinfo= table->s->key_info; result->tmp_table_param.keyinfo= table->s->key_info;
@@ -1015,7 +1016,7 @@ bool mysql_derived_fill(THD *thd, LEX *lex, TABLE_LIST *derived)
DBUG_RETURN(FALSE); DBUG_RETURN(FALSE);
/*check that table creation passed without problems. */ /*check that table creation passed without problems. */
DBUG_ASSERT(derived->table && derived->table->is_created()); DBUG_ASSERT(derived->table && derived->table->is_created());
select_union *derived_result= derived->derived_result; select_unit *derived_result= derived->derived_result;
SELECT_LEX *save_current_select= lex->current_select; SELECT_LEX *save_current_select= lex->current_select;
if (derived_is_recursive) if (derived_is_recursive)
@@ -1031,7 +1032,7 @@ bool mysql_derived_fill(THD *thd, LEX *lex, TABLE_LIST *derived)
res= derived->fill_recursive(thd); res= derived->fill_recursive(thd);
} }
} }
else if (unit->is_union()) else if (unit->is_unit_op())
{ {
// execute union without clean up // execute union without clean up
res= unit->exec(); res= unit->exec();

53
sql/sql_explain.cc
View File

@@ -29,6 +29,11 @@ const char * STR_DELETING_ALL_ROWS= "Deleting all rows";
const char * STR_IMPOSSIBLE_WHERE= "Impossible WHERE"; const char * STR_IMPOSSIBLE_WHERE= "Impossible WHERE";
const char * STR_NO_ROWS_AFTER_PRUNING= "No matching rows after partition pruning"; const char * STR_NO_ROWS_AFTER_PRUNING= "No matching rows after partition pruning";
const char *unit_operation_text[4]=
{
"UNIT RESULT","UNION RESULT","INTERSECT RESULT","EXCEPT RESULT"
};
static void write_item(Json_writer *writer, Item *item); static void write_item(Json_writer *writer, Item *item);
static void append_item_to_str(String *out, Item *item); static void append_item_to_str(String *out, Item *item);
@@ -418,8 +423,26 @@ int print_explain_row(select_result_sink *result,
uint Explain_union::make_union_table_name(char *buf) uint Explain_union::make_union_table_name(char *buf)
{ {
uint childno= 0; uint childno= 0;
uint len= 6, lastop= 0; uint len, lastop= 0;
memcpy(buf, STRING_WITH_LEN("<union")); LEX_STRING type;
switch (operation)
{
case OP_MIX:
lex_string_set3(&type, STRING_WITH_LEN("<unit"));
break;
case OP_UNION:
lex_string_set3(&type, STRING_WITH_LEN("<union"));
break;
case OP_INTERSECT:
lex_string_set3(&type, STRING_WITH_LEN("<intersect"));
break;
case OP_EXCEPT:
lex_string_set3(&type, STRING_WITH_LEN("<except"));
break;
default:
DBUG_ASSERT(0);
}
memcpy(buf, type.str, (len= type.length));
for (; childno < union_members.elements() && len + lastop + 5 < NAME_LEN; for (; childno < union_members.elements() && len + lastop + 5 < NAME_LEN;
childno++) childno++)
@@ -462,7 +485,7 @@ int Explain_union::print_explain(Explain_query *query,
if (!using_tmp) if (!using_tmp)
return 0; return 0;
/* Print a line with "UNION RESULT" */ /* Print a line with "UNIT RESULT" */
List<Item> item_list; List<Item> item_list;
Item *item_null= new (mem_root) Item_null(thd); Item *item_null= new (mem_root) Item_null(thd);
@@ -814,6 +837,28 @@ int Explain_basic_join::print_explain(Explain_query *query,
} }
void Explain_select::add_linkage(Json_writer *writer)
{
const char *operation= NULL;
switch (linkage)
{
case UNION_TYPE:
operation= "UNION";
break;
case INTERSECT_TYPE:
operation= "INTERSECT";
break;
case EXCEPT_TYPE:
operation= "EXCEPT";
break;
default:
// It is the first or the only SELECT => no operation
break;
}
if (operation)
writer->add_member("operation").add_str(operation);
}
void Explain_select::print_explain_json(Explain_query *query, void Explain_select::print_explain_json(Explain_query *query,
Json_writer *writer, bool is_analyze) Json_writer *writer, bool is_analyze)
{ {
@@ -825,6 +870,7 @@ void Explain_select::print_explain_json(Explain_query *query,
{ {
writer->add_member("query_block").start_object(); writer->add_member("query_block").start_object();
writer->add_member("select_id").add_ll(select_id); writer->add_member("select_id").add_ll(select_id);
add_linkage(writer);
writer->add_member("table").start_object(); writer->add_member("table").start_object();
writer->add_member("message").add_str(message); writer->add_member("message").add_str(message);
@@ -837,6 +883,7 @@ void Explain_select::print_explain_json(Explain_query *query,
{ {
writer->add_member("query_block").start_object(); writer->add_member("query_block").start_object();
writer->add_member("select_id").add_ll(select_id); writer->add_member("select_id").add_ll(select_id);
add_linkage(writer);
if (is_analyze && time_tracker.get_loops()) if (is_analyze && time_tracker.get_loops())
{ {

7
sql/sql_explain.h
View File

@@ -207,6 +207,7 @@ public:
Explain_select(MEM_ROOT *root, bool is_analyze) : Explain_select(MEM_ROOT *root, bool is_analyze) :
Explain_basic_join(root), Explain_basic_join(root),
linkage(UNSPECIFIED_TYPE),
message(NULL), message(NULL),
having(NULL), having_value(Item::COND_UNDEF), having(NULL), having_value(Item::COND_UNDEF),
using_temporary(false), using_filesort(false), using_temporary(false), using_filesort(false),
@@ -214,8 +215,11 @@ public:
aggr_tree(NULL) aggr_tree(NULL)
{} {}
void add_linkage(Json_writer *writer);
public: public:
const char *select_type; const char *select_type;
enum sub_select_type linkage;
/* /*
If message != NULL, this is a degenerate join plan, and all subsequent If message != NULL, this is a degenerate join plan, and all subsequent
@@ -316,6 +320,8 @@ public:
///////////////////////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////////////////////////
extern const char *unit_operation_text[4];
/* /*
Explain structure for a UNION. Explain structure for a UNION.
@@ -332,6 +338,7 @@ public:
{} {}
enum explain_node_type get_type() { return EXPLAIN_UNION; } enum explain_node_type get_type() { return EXPLAIN_UNION; }
unit_common_op operation;
int get_select_id() int get_select_id()
{ {

216
sql/sql_lex.cc
View File

@@ -662,6 +662,7 @@ void lex_start(THD *thd)
lex->context_stack.empty(); lex->context_stack.empty();
lex->unit.init_query(); lex->unit.init_query();
lex->unit.init_select(); lex->unit.init_select();
lex->select_lex.linkage= UNSPECIFIED_TYPE;
/* 'parent_lex' is used in init_query() so it must be before it. */ /* 'parent_lex' is used in init_query() so it must be before it. */
lex->select_lex.parent_lex= lex; lex->select_lex.parent_lex= lex;
lex->select_lex.init_query(); lex->select_lex.init_query();
@@ -2079,6 +2080,7 @@ void st_select_lex_unit::init_query()
with_clause= 0; with_clause= 0;
with_element= 0; with_element= 0;
columns_are_renamed= false; columns_are_renamed= false;
intersect_mark= NULL;
} }
void st_select_lex::init_query() void st_select_lex::init_query()
@@ -2152,7 +2154,6 @@ void st_select_lex::init_select()
ftfunc_list_alloc.empty(); ftfunc_list_alloc.empty();
inner_sum_func_list= 0; inner_sum_func_list= 0;
ftfunc_list= &ftfunc_list_alloc; ftfunc_list= &ftfunc_list_alloc;
linkage= UNSPECIFIED_TYPE;
order_list.elements= 0; order_list.elements= 0;
order_list.first= 0; order_list.first= 0;
order_list.next= &order_list.first; order_list.next= &order_list.first;
@@ -2695,11 +2696,24 @@ void st_select_lex_unit::print(String *str, enum_query_type query_type)
{ {
if (sl != first_select()) if (sl != first_select())
{ {
switch (sl->linkage)
{
default:
DBUG_ASSERT(0);
case UNION_TYPE:
str->append(STRING_WITH_LEN(" union ")); str->append(STRING_WITH_LEN(" union "));
if (union_all) if (union_all)
str->append(STRING_WITH_LEN("all ")); str->append(STRING_WITH_LEN("all "));
else if (union_distinct == sl) else if (union_distinct == sl)
union_all= TRUE; union_all= TRUE;
break;
case INTERSECT_TYPE:
str->append(STRING_WITH_LEN(" intersect "));
break;
case EXCEPT_TYPE:
str->append(STRING_WITH_LEN(" except "));
break;
}
} }
if (sl->braces) if (sl->braces)
str->append('('); str->append('(');
@@ -4234,7 +4248,8 @@ void SELECT_LEX::update_used_tables()
} }
for (ORDER *order= group_list.first; order; order= order->next) for (ORDER *order= group_list.first; order; order= order->next)
(*order->item)->update_used_tables(); (*order->item)->update_used_tables();
if (!master_unit()->is_union() || master_unit()->global_parameters() != this) if (!master_unit()->is_unit_op() ||
master_unit()->global_parameters() != this)
{ {
for (ORDER *order= order_list.first; order; order= order->next) for (ORDER *order= order_list.first; order; order= order->next)
(*order->item)->update_used_tables(); (*order->item)->update_used_tables();
@@ -4292,7 +4307,7 @@ void st_select_lex::update_correlated_cache()
is_correlated|= MY_TEST((*order->item)->used_tables() & is_correlated|= MY_TEST((*order->item)->used_tables() &
OUTER_REF_TABLE_BIT); OUTER_REF_TABLE_BIT);
if (!master_unit()->is_union()) if (!master_unit()->is_unit_op())
{ {
for (ORDER *order= order_list.first; order; order= order->next) for (ORDER *order= order_list.first; order; order= order->next)
is_correlated|= MY_TEST((*order->item)->used_tables() & is_correlated|= MY_TEST((*order->item)->used_tables() &
@@ -4380,6 +4395,15 @@ void st_select_lex::set_explain_type(bool on_the_fly)
} }
else else
{ {
switch (linkage)
{
case INTERSECT_TYPE:
type= "INTERSECT";
break;
case EXCEPT_TYPE:
type= "EXCEPT";
break;
default:
/* This a non-first sibling in UNION */ /* This a non-first sibling in UNION */
if (is_uncacheable & UNCACHEABLE_DEPENDENT) if (is_uncacheable & UNCACHEABLE_DEPENDENT)
type= "DEPENDENT UNION"; type= "DEPENDENT UNION";
@@ -4389,7 +4413,7 @@ void st_select_lex::set_explain_type(bool on_the_fly)
{ {
type= is_uncacheable ? "UNCACHEABLE UNION": "UNION"; type= is_uncacheable ? "UNCACHEABLE UNION": "UNION";
if (this == master_unit()->fake_select_lex) if (this == master_unit()->fake_select_lex)
type= "UNION RESULT"; type= unit_operation_text[master_unit()->common_op()];
/* /*
join below may be =NULL when this functions is called at an early join below may be =NULL when this functions is called at an early
stage. It will be later called again and we will set the correct stage. It will be later called again and we will set the correct
@@ -4411,6 +4435,8 @@ void st_select_lex::set_explain_type(bool on_the_fly)
type= "RECURSIVE UNION"; type= "RECURSIVE UNION";
} }
} }
break;
}
} }
} }
@@ -4448,8 +4474,20 @@ void SELECT_LEX::increase_derived_records(ha_rows records)
return; return;
} }
select_union *result= (select_union*)unit->result; select_unit *result= (select_unit*)unit->result;
switch (linkage)
{
case INTERSECT_TYPE:
// result of intersect can't be more then one of components
set_if_smaller(result->records, records);
case EXCEPT_TYPE:
// in worse case none of record will be removed
break;
default:
// usual UNION
result->records+= records; result->records+= records;
break;
}
} }
@@ -4474,7 +4512,7 @@ void SELECT_LEX::mark_const_derived(bool empty)
{ {
if (!empty) if (!empty)
increase_derived_records(1); increase_derived_records(1);
if (!master_unit()->is_union() && !derived->is_merged_derived()) if (!master_unit()->is_unit_op() && !derived->is_merged_derived())
derived->fill_me= TRUE; derived->fill_me= TRUE;
} }
} }
@@ -4703,6 +4741,42 @@ void LEX::restore_set_statement_var()
DBUG_VOID_RETURN; DBUG_VOID_RETURN;
} }
unit_common_op st_select_lex_unit::common_op()
{
SELECT_LEX *first= first_select();
bool first_op= TRUE;
unit_common_op operation= OP_MIX; // if no op
for (SELECT_LEX *sl= first; sl; sl= sl->next_select())
{
if (sl != first)
{
unit_common_op op;
switch (sl->linkage)
{
case INTERSECT_TYPE:
op= OP_INTERSECT;
break;
case EXCEPT_TYPE:
op= OP_EXCEPT;
break;
default:
op= OP_UNION;
break;
}
if (first_op)
{
operation= op;
first_op= FALSE;
}
else
{
if (operation != op)
operation= OP_MIX;
}
}
}
return operation;
}
/* /*
Save explain structures of a UNION. The only variable member is whether the Save explain structures of a UNION. The only variable member is whether the
union has "Using filesort". union has "Using filesort".
@@ -4739,11 +4813,10 @@ int st_select_lex_unit::save_union_explain(Explain_query *output)
Note: Non-merged semi-joins cannot be made out of UNIONs currently, so we Note: Non-merged semi-joins cannot be made out of UNIONs currently, so we
dont ever set EXPLAIN_NODE_NON_MERGED_SJ. dont ever set EXPLAIN_NODE_NON_MERGED_SJ.
*/ */
for (SELECT_LEX *sl= first; sl; sl= sl->next_select()) for (SELECT_LEX *sl= first; sl; sl= sl->next_select())
eu->add_select(sl->select_number); eu->add_select(sl->select_number);
eu->fake_select_type= "UNION RESULT"; eu->fake_select_type= unit_operation_text[eu->operation= common_op()];
eu->using_filesort= MY_TEST(global_parameters()->order_list.first); eu->using_filesort= MY_TEST(global_parameters()->order_list.first);
eu->using_tmp= union_needs_tmp_table(); eu->using_tmp= union_needs_tmp_table();
@@ -4798,6 +4871,133 @@ bool LEX::is_partition_management() const
alter_info.flags == Alter_info::ALTER_REORGANIZE_PARTITION)); alter_info.flags == Alter_info::ALTER_REORGANIZE_PARTITION));
} }
/**
Exclude last added SELECT_LEX (current) in the UNIT and return pointer in it
(previous become currect)
@return detached SELECT_LEX or NULL in case of error
*/
SELECT_LEX *LEX::exclude_last_select()
{
DBUG_ENTER("SELECT_LEX::exclude_last_select");
SELECT_LEX *exclude= current_select;
SELECT_LEX_UNIT *unit= exclude->master_unit();
SELECT_LEX *sl;
DBUG_ASSERT(unit->first_select() != exclude);
/* we should go through the list to correctly set current_select */
for(sl= unit->first_select();
sl->next_select() && sl->next_select() != exclude;
sl= sl->next_select());
DBUG_PRINT("info", ("excl: %p unit: %p prev: %p", exclude, unit, sl));
if (!sl)
DBUG_RETURN(NULL);
DBUG_ASSERT(exclude->next_select() == NULL);
exclude->exclude_from_tree();
current_select= sl;
DBUG_RETURN(exclude);
}
/**
Put given (new) SELECT_LEX level below after currect (last) SELECT
LAST SELECT -> DUMMY SELECT
|
V
NEW UNIT
|
V
NEW SELECT
SELECT (*LAST*) ... FROM (SELECT (*NEW*) ... )
@param nselect Select to put one level below
@retval TRUE Error
@retval FALSE OK
*/
bool LEX::add_unit_in_brackets(SELECT_LEX *nselect)
{
DBUG_ENTER("LEX::add_unit_in_brackets");
bool distinct= nselect->master_unit()->union_distinct == nselect;
bool rc= add_select_to_union_list(distinct, nselect->linkage, 0);
if (rc)
DBUG_RETURN(TRUE);
SELECT_LEX* dummy_select= current_select;
dummy_select->automatic_brackets= TRUE;
dummy_select->linkage= nselect->linkage;
/* stuff dummy SELECT * FROM (...) */
Name_resolution_context *context= &dummy_select->context;
context->init();
/* add SELECT list*/
Item *item= new (thd->mem_root)
Item_field(thd, context, NULL, NULL, "*");
if (item == NULL)
DBUG_RETURN(TRUE);
if (add_item_to_list(thd, item))
DBUG_RETURN(TRUE);
(dummy_select->with_wild)++;
rc= mysql_new_select(this, 1, nselect);
nselect->linkage= DERIVED_TABLE_TYPE;
DBUG_ASSERT(nselect->outer_select() == dummy_select);
current_select= dummy_select;
current_select->nest_level--;
SELECT_LEX_UNIT *unit= nselect->master_unit();
Table_ident *ti= new (thd->mem_root) Table_ident(unit);
if (ti == NULL)
DBUG_RETURN(TRUE);
char buff[10];
LEX_STRING alias;
alias.length= my_snprintf(buff, sizeof(buff),
"__%u", dummy_select->select_number);
alias.str= thd->strmake(buff, alias.length);
if (!alias.str)
DBUG_RETURN(TRUE);
TABLE_LIST *table_list;
if (!(table_list= dummy_select->add_table_to_list(thd, ti, &alias,
0, TL_READ,
MDL_SHARED_READ)))
DBUG_RETURN(TRUE);
context->resolve_in_table_list_only(table_list);
dummy_select->add_joined_table(table_list);
derived_tables|= DERIVED_SUBQUERY;
current_select= nselect;
current_select->nest_level++;
DBUG_RETURN(rc);
}
/**
Checks if we need finish "automatic brackets" mode
INTERSECT has higher priority then UNION and EXCEPT, so when it is need we
automatically create lower layer for INTERSECT (automatic brackets) and
here we check if we should return back one level up during parsing procedure.
*/
void LEX::check_automatic_up(enum sub_select_type type)
{
if (type != INTERSECT_TYPE &&
current_select->linkage == INTERSECT_TYPE &&
current_select->outer_select() &&
current_select->outer_select()->automatic_brackets)
{
nest_level--;
current_select= current_select->outer_select();
}
}
#ifdef MYSQL_SERVER #ifdef MYSQL_SERVER
uint binlog_unsafe_map[256]; uint binlog_unsafe_map[256];

53
sql/sql_lex.h
View File

@@ -33,6 +33,14 @@
/* YACC and LEX Definitions */ /* YACC and LEX Definitions */
enum sub_select_type
{
UNSPECIFIED_TYPE,
/* following 3 enums should be as they are*/
UNION_TYPE, INTERSECT_TYPE, EXCEPT_TYPE,
GLOBAL_OPTIONS_TYPE, DERIVED_TABLE_TYPE, OLAP_TYPE
};
enum unit_common_op {OP_MIX, OP_UNION, OP_INTERSECT, OP_EXCEPT};
/* These may not be declared yet */ /* These may not be declared yet */
class Table_ident; class Table_ident;
class sql_exchange; class sql_exchange;
@@ -298,12 +306,6 @@ typedef struct st_lex_reset_slave
bool all; bool all;
} LEX_RESET_SLAVE; } LEX_RESET_SLAVE;
enum sub_select_type
{
UNSPECIFIED_TYPE,UNION_TYPE, INTERSECT_TYPE,
EXCEPT_TYPE, GLOBAL_OPTIONS_TYPE, DERIVED_TABLE_TYPE, OLAP_TYPE
};
enum olap_type enum olap_type
{ {
UNSPECIFIED_OLAP_TYPE, CUBE_TYPE, ROLLUP_TYPE UNSPECIFIED_OLAP_TYPE, CUBE_TYPE, ROLLUP_TYPE
@@ -563,7 +565,7 @@ public:
st_select_lex_node *insert_chain_before(st_select_lex_node **ptr_pos_to_insert, st_select_lex_node *insert_chain_before(st_select_lex_node **ptr_pos_to_insert,
st_select_lex_node *end_chain_node); st_select_lex_node *end_chain_node);
friend class st_select_lex_unit; friend class st_select_lex_unit;
friend bool mysql_new_select(LEX *lex, bool move_down); friend bool mysql_new_select(LEX *lex, bool move_down, SELECT_LEX *sel);
friend bool mysql_make_view(THD *thd, TABLE_SHARE *share, TABLE_LIST *table, friend bool mysql_make_view(THD *thd, TABLE_SHARE *share, TABLE_LIST *table,
bool open_view_no_parse); bool open_view_no_parse);
friend bool mysql_derived_prepare(THD *thd, LEX *lex, friend bool mysql_derived_prepare(THD *thd, LEX *lex,
@@ -583,7 +585,7 @@ typedef class st_select_lex_node SELECT_LEX_NODE;
class THD; class THD;
class select_result; class select_result;
class JOIN; class JOIN;
class select_union; class select_unit;
class Procedure; class Procedure;
class Explain_query; class Explain_query;
@@ -595,7 +597,7 @@ bool print_explain_for_slow_log(LEX *lex, THD *thd, String *str);
class st_select_lex_unit: public st_select_lex_node { class st_select_lex_unit: public st_select_lex_node {
protected: protected:
TABLE_LIST result_table_list; TABLE_LIST result_table_list;
select_union *union_result; select_unit *union_result;
ulonglong found_rows_for_union; ulonglong found_rows_for_union;
bool saved_error; bool saved_error;
@@ -628,6 +630,11 @@ public:
any SELECT of this unit execution any SELECT of this unit execution
*/ */
List<Item> types; List<Item> types;
/**
There is INTERSECT and it is item used in creating temporary
table for it
*/
Item_int *intersect_mark;
/** /**
Pointer to 'last' select, or pointer to select where we stored Pointer to 'last' select, or pointer to select where we stored
global parameters for union. global parameters for union.
@@ -719,7 +726,7 @@ public:
select_result_interceptor *old_result); select_result_interceptor *old_result);
void set_limit(st_select_lex *values); void set_limit(st_select_lex *values);
void set_thd(THD *thd_arg) { thd= thd_arg; } void set_thd(THD *thd_arg) { thd= thd_arg; }
inline bool is_union (); inline bool is_unit_op ();
bool union_needs_tmp_table(); bool union_needs_tmp_table();
void set_unique_exclude(); void set_unique_exclude();
@@ -729,9 +736,10 @@ public:
List<Item> *get_column_types(bool for_cursor); List<Item> *get_column_types(bool for_cursor);
select_union *get_union_result() { return union_result; } select_unit *get_union_result() { return union_result; }
int save_union_explain(Explain_query *output); int save_union_explain(Explain_query *output);
int save_union_explain_part2(Explain_query *output); int save_union_explain_part2(Explain_query *output);
unit_common_op common_op();
}; };
typedef class st_select_lex_unit SELECT_LEX_UNIT; typedef class st_select_lex_unit SELECT_LEX_UNIT;
@@ -867,6 +875,7 @@ public:
Item_sum *inner_sum_func_list; /* list of sum func in nested selects */ Item_sum *inner_sum_func_list; /* list of sum func in nested selects */
uint with_wild; /* item list contain '*' */ uint with_wild; /* item list contain '*' */
bool braces; /* SELECT ... UNION (SELECT ... ) <- this braces */ bool braces; /* SELECT ... UNION (SELECT ... ) <- this braces */
bool automatic_brackets; /* dummy select for INTERSECT precedence */
/* TRUE when having fix field called in processing of this SELECT */ /* TRUE when having fix field called in processing of this SELECT */
bool having_fix_field; bool having_fix_field;
/* List of references to fields referenced from inner selects */ /* List of references to fields referenced from inner selects */
@@ -1030,7 +1039,7 @@ public:
ha_rows get_limit(); ha_rows get_limit();
friend void lex_start(THD *thd); friend void lex_start(THD *thd);
st_select_lex() : group_list_ptrs(NULL), braces(0), st_select_lex() : group_list_ptrs(NULL), braces(0), automatic_brackets(0),
n_sum_items(0), n_child_sum_items(0) n_sum_items(0), n_child_sum_items(0)
{} {}
void make_empty_select() void make_empty_select()
@@ -1075,7 +1084,7 @@ public:
} }
void clear_index_hints(void) { index_hints= NULL; } void clear_index_hints(void) { index_hints= NULL; }
bool is_part_of_union() { return master_unit()->is_union(); } bool is_part_of_union() { return master_unit()->is_unit_op(); }
bool is_top_level_node() bool is_top_level_node()
{ {
return (select_number == 1) && !is_part_of_union(); return (select_number == 1) && !is_part_of_union();
@@ -1178,10 +1187,14 @@ public:
}; };
typedef class st_select_lex SELECT_LEX; typedef class st_select_lex SELECT_LEX;
inline bool st_select_lex_unit::is_union () inline bool st_select_lex_unit::is_unit_op ()
{ {
return first_select()->next_select() && if (!first_select()->next_select())
first_select()->next_select()->linkage == UNION_TYPE; return 0;
enum sub_select_type linkage= first_select()->next_select()->linkage;
return linkage == UNION_TYPE || linkage == INTERSECT_TYPE ||
linkage == EXCEPT_TYPE;
} }
@@ -3014,7 +3027,9 @@ public:
int case_stmt_action_expr(Item* expr); int case_stmt_action_expr(Item* expr);
int case_stmt_action_when(Item *when, bool simple); int case_stmt_action_when(Item *when, bool simple);
int case_stmt_action_then(); int case_stmt_action_then();
bool add_select_to_union_list(bool is_union_distinct, bool is_top_level); bool add_select_to_union_list(bool is_union_distinct,
enum sub_select_type type,
bool is_top_level);
bool setup_select_in_parentheses(); bool setup_select_in_parentheses();
bool set_trigger_new_row(LEX_STRING *name, Item *val); bool set_trigger_new_row(LEX_STRING *name, Item *val);
bool set_system_variable(struct sys_var_with_base *tmp, bool set_system_variable(struct sys_var_with_base *tmp,
@@ -3130,6 +3145,10 @@ public:
*/ */
bool tmp_table() const { return create_info.tmp_table(); } bool tmp_table() const { return create_info.tmp_table(); }
bool if_exists() const { return create_info.if_exists(); } bool if_exists() const { return create_info.if_exists(); }
SELECT_LEX *exclude_last_select();
bool add_unit_in_brackets(SELECT_LEX *nselect);
void check_automatic_up(enum sub_select_type type);
}; };

10
sql/sql_parse.cc
View File

@@ -7504,18 +7504,21 @@ mysql_init_select(LEX *lex)
*/ */
bool bool
mysql_new_select(LEX *lex, bool move_down) mysql_new_select(LEX *lex, bool move_down, SELECT_LEX *select_lex)
{ {
SELECT_LEX *select_lex;
THD *thd= lex->thd; THD *thd= lex->thd;
bool new_select= select_lex == NULL;
DBUG_ENTER("mysql_new_select"); DBUG_ENTER("mysql_new_select");
if (new_select)
{
if (!(select_lex= new (thd->mem_root) SELECT_LEX())) if (!(select_lex= new (thd->mem_root) SELECT_LEX()))
DBUG_RETURN(1); DBUG_RETURN(1);
select_lex->select_number= ++thd->select_number; select_lex->select_number= ++thd->select_number;
select_lex->parent_lex= lex; /* Used in init_query. */ select_lex->parent_lex= lex; /* Used in init_query. */
select_lex->init_query(); select_lex->init_query();
select_lex->init_select(); select_lex->init_select();
}
lex->nest_level++; lex->nest_level++;
if (lex->nest_level > (int) MAX_SELECT_NESTING) if (lex->nest_level > (int) MAX_SELECT_NESTING)
{ {
@@ -7586,6 +7589,7 @@ mysql_new_select(LEX *lex, bool move_down)
unit->first_select()->context.outer_context; unit->first_select()->context.outer_context;
} }
if (new_select)
select_lex->include_global((st_select_lex_node**)&lex->all_selects_list); select_lex->include_global((st_select_lex_node**)&lex->all_selects_list);
lex->current_select= select_lex; lex->current_select= select_lex;
/* /*
@@ -8517,7 +8521,7 @@ bool st_select_lex_unit::add_fake_select_lex(THD *thd_arg)
fake_select_lex->nest_level_base= first_select()->nest_level_base; fake_select_lex->nest_level_base= first_select()->nest_level_base;
fake_select_lex->nest_level=first_select()->nest_level; fake_select_lex->nest_level=first_select()->nest_level;
if (!is_union()) if (!is_unit_op())
{ {
/* /*
This works only for This works only for

2
sql/sql_parse.h
View File

@@ -92,7 +92,7 @@ void mysql_init_select(LEX *lex);
void mysql_parse(THD *thd, char *rawbuf, uint length, void mysql_parse(THD *thd, char *rawbuf, uint length,
Parser_state *parser_state, bool is_com_multi, Parser_state *parser_state, bool is_com_multi,
bool is_next_command); bool is_next_command);
bool mysql_new_select(LEX *lex, bool move_down); bool mysql_new_select(LEX *lex, bool move_down, SELECT_LEX *sel);
void create_select_for_variable(const char *var_name); void create_select_for_variable(const char *var_name);
void create_table_set_open_action_and_adjust_tables(LEX *lex); void create_table_set_open_action_and_adjust_tables(LEX *lex);
void mysql_init_multi_delete(LEX *lex); void mysql_init_multi_delete(LEX *lex);

24
sql/sql_select.cc
View File

@@ -346,7 +346,7 @@ bool handle_select(THD *thd, LEX *lex, select_result *result,
DBUG_ENTER("handle_select"); DBUG_ENTER("handle_select");
MYSQL_SELECT_START(thd->query()); MYSQL_SELECT_START(thd->query());
if (select_lex->master_unit()->is_union() || if (select_lex->master_unit()->is_unit_op() ||
select_lex->master_unit()->fake_select_lex) select_lex->master_unit()->fake_select_lex)
res= mysql_union(thd, lex, result, &lex->unit, setup_tables_done_option); res= mysql_union(thd, lex, result, &lex->unit, setup_tables_done_option);
else else
@@ -707,7 +707,7 @@ JOIN::prepare(TABLE_LIST *tables_init,
select_lex= select_lex_arg; select_lex= select_lex_arg;
select_lex->join= this; select_lex->join= this;
join_list= &select_lex->top_join_list; join_list= &select_lex->top_join_list;
union_part= unit_arg->is_union(); union_part= unit_arg->is_unit_op();
if (select_lex->handle_derived(thd->lex, DT_PREPARE)) if (select_lex->handle_derived(thd->lex, DT_PREPARE))
DBUG_RETURN(1); DBUG_RETURN(1);
@@ -4997,7 +4997,7 @@ Item_func_trig_cond::add_key_fields(JOIN *join, KEY_FIELD **key_fields,
if (!join->group_list && !join->order && if (!join->group_list && !join->order &&
join->unit->item && join->unit->item &&
join->unit->item->substype() == Item_subselect::IN_SUBS && join->unit->item->substype() == Item_subselect::IN_SUBS &&
!join->unit->is_union()) !join->unit->is_unit_op())
{ {
KEY_FIELD *save= *key_fields; KEY_FIELD *save= *key_fields;
args[0]->add_key_fields(join, key_fields, and_level, usable_tables, args[0]->add_key_fields(join, key_fields, and_level, usable_tables,
@@ -24475,6 +24475,7 @@ int JOIN::save_explain_data_intern(Explain_query *output,
explain->select_id= join->select_lex->select_number; explain->select_id= join->select_lex->select_number;
explain->select_type= join->select_lex->type; explain->select_type= join->select_lex->type;
explain->linkage= select_lex->linkage;
explain->using_temporary= need_tmp; explain->using_temporary= need_tmp;
explain->using_filesort= need_order_arg; explain->using_filesort= need_order_arg;
/* Setting explain->message means that all other members are invalid */ /* Setting explain->message means that all other members are invalid */
@@ -24492,6 +24493,7 @@ int JOIN::save_explain_data_intern(Explain_query *output,
explain->select_id= select_lex->select_number; explain->select_id= select_lex->select_number;
explain->select_type= select_lex->type; explain->select_type= select_lex->type;
explain->linkage= select_lex->linkage;
explain->using_temporary= need_tmp; explain->using_temporary= need_tmp;
explain->using_filesort= need_order_arg; explain->using_filesort= need_order_arg;
explain->message= "Storage engine handles GROUP BY"; explain->message= "Storage engine handles GROUP BY";
@@ -24511,6 +24513,7 @@ int JOIN::save_explain_data_intern(Explain_query *output,
join->select_lex->set_explain_type(true); join->select_lex->set_explain_type(true);
xpl_sel->select_id= join->select_lex->select_number; xpl_sel->select_id= join->select_lex->select_number;
xpl_sel->select_type= join->select_lex->type; xpl_sel->select_type= join->select_lex->type;
xpl_sel->linkage= select_lex->linkage;
if (select_lex->master_unit()->derived) if (select_lex->master_unit()->derived)
xpl_sel->connection_type= Explain_node::EXPLAIN_NODE_DERIVED; xpl_sel->connection_type= Explain_node::EXPLAIN_NODE_DERIVED;
@@ -24686,12 +24689,12 @@ bool mysql_explain_union(THD *thd, SELECT_LEX_UNIT *unit, select_result *result)
sl->options|= SELECT_DESCRIBE; sl->options|= SELECT_DESCRIBE;
} }
if (unit->is_union()) if (unit->is_unit_op())
{ {
if (unit->union_needs_tmp_table() && unit->fake_select_lex) if (unit->union_needs_tmp_table() && unit->fake_select_lex)
{ {
unit->fake_select_lex->select_number= FAKE_SELECT_LEX_ID; // just for initialization unit->fake_select_lex->select_number= FAKE_SELECT_LEX_ID; // just for initialization
unit->fake_select_lex->type= "UNION RESULT"; unit->fake_select_lex->type= unit_operation_text[unit->common_op()];
unit->fake_select_lex->options|= SELECT_DESCRIBE; unit->fake_select_lex->options|= SELECT_DESCRIBE;
} }
if (!(res= unit->prepare(thd, result, SELECT_NO_UNLOCK | SELECT_DESCRIBE))) if (!(res= unit->prepare(thd, result, SELECT_NO_UNLOCK | SELECT_DESCRIBE)))
@@ -25070,6 +25073,17 @@ void st_select_lex::print(THD *thd, String *str, enum_query_type query_type)
{ {
DBUG_ASSERT(thd); DBUG_ASSERT(thd);
if ((query_type & QT_SHOW_SELECT_NUMBER) &&
thd->lex->all_selects_list &&
thd->lex->all_selects_list->link_next &&
select_number != UINT_MAX &&
select_number != INT_MAX)
{
str->append("/* select#");
str->append_ulonglong(select_number);
str->append(" */ ");
}
str->append(STRING_WITH_LEN("select ")); str->append(STRING_WITH_LEN("select "));
if (join && join->cleaned) if (join && join->cleaned)

327
sql/sql_union.cc
View File

@@ -48,15 +48,67 @@ bool mysql_union(THD *thd, LEX *lex, select_result *result,
** store records in temporary table for UNION ** store records in temporary table for UNION
***************************************************************************/ ***************************************************************************/
int select_union::prepare(List<Item> &list, SELECT_LEX_UNIT *u) int select_unit::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
{ {
unit= u; unit= u;
return 0; return 0;
} }
/**
This called by SELECT_LEX_UNIT::exec when select changed
*/
int select_union::send_data(List<Item> &values) void select_unit::change_select()
{ {
uint current_select_number= thd->lex->current_select->select_number;
DBUG_ENTER("select_unit::change_select");
DBUG_PRINT("enter", ("select in unit change: %u -> %u",
curr_sel, current_select_number));
DBUG_ASSERT(curr_sel != current_select_number);
curr_sel= current_select_number;
/* New SELECT processing starts */
DBUG_ASSERT(table->file->inited == 0);
switch (thd->lex->current_select->linkage)
{
case INTERSECT_TYPE:
intersect_mark->value= prev_step= curr_step;
curr_step= current_select_number;
case EXCEPT_TYPE:
step= thd->lex->current_select->linkage;
break;
default:
step= UNION_TYPE;
break;
}
DBUG_VOID_RETURN;
}
/**
Fill temporary tables for UNION/EXCEPT/INTERSECT
@Note
UNION:
just add records to the table (with 'counter' field first if INTERSECT
present in the sequence).
EXCEPT:
looks for the record in the table (with 'counter' field first if
INTERSECT present in the sequence) and delete it if found
INTESECT:
looks for the same record with 'counter' field of previous operation,
put as a 'counter' number of the current SELECT.
We scan the table and remove all records which marked with not last
'counter' after processing all records in send_eof and only if it last
SELECT of sequence of INTERSECTS.
@param values List of record items to process.
@retval 0 - OK
@retval -1 - duplicate
@retval 1 - error
*/
int select_unit::send_data(List<Item> &values)
{
int rc;
int not_reported_error= 0;
if (unit->offset_limit_cnt) if (unit->offset_limit_cnt)
{ // using limit offset,count { // using limit offset,count
unit->offset_limit_cnt--; unit->offset_limit_cnt--;
@@ -66,16 +118,33 @@ int select_union::send_data(List<Item> &values)
return 0; return 0;
if (table->no_rows_with_nulls) if (table->no_rows_with_nulls)
table->null_catch_flags= CHECK_ROW_FOR_NULLS_TO_REJECT; table->null_catch_flags= CHECK_ROW_FOR_NULLS_TO_REJECT;
if (intersect_mark)
{
fill_record(thd, table, table->field + 1, values, TRUE, FALSE);
table->field[0]->store((ulonglong) curr_step, 1);
}
else
fill_record(thd, table, table->field, values, TRUE, FALSE); fill_record(thd, table, table->field, values, TRUE, FALSE);
if (thd->is_error()) if (thd->is_error())
return 1; {
rc= 1;
goto end;
}
if (table->no_rows_with_nulls) if (table->no_rows_with_nulls)
{ {
table->null_catch_flags&= ~CHECK_ROW_FOR_NULLS_TO_REJECT; table->null_catch_flags&= ~CHECK_ROW_FOR_NULLS_TO_REJECT;
if (table->null_catch_flags) if (table->null_catch_flags)
return 0; {
rc= 0;
goto end;
}
} }
// select_unit::change_select() change step & Co correctly for each SELECT
switch (step)
{
case UNION_TYPE:
{
if ((write_err= table->file->ha_write_tmp_row(table->record[0]))) if ((write_err= table->file->ha_write_tmp_row(table->record[0])))
{ {
if (write_err == HA_ERR_FOUND_DUPP_KEY) if (write_err == HA_ERR_FOUND_DUPP_KEY)
@@ -84,7 +153,8 @@ int select_union::send_data(List<Item> &values)
Inform upper level that we found a duplicate key, that should not Inform upper level that we found a duplicate key, that should not
be counted as part of limit be counted as part of limit
*/ */
return -1; rc= -1;
goto end;
} }
bool is_duplicate= FALSE; bool is_duplicate= FALSE;
/* create_internal_tmp_table_from_heap will generate error if needed */ /* create_internal_tmp_table_from_heap will generate error if needed */
@@ -93,17 +163,144 @@ int select_union::send_data(List<Item> &values)
tmp_table_param.start_recinfo, tmp_table_param.start_recinfo,
&tmp_table_param.recinfo, &tmp_table_param.recinfo,
write_err, 1, &is_duplicate)) write_err, 1, &is_duplicate))
return 1; {
if (is_duplicate) rc= 1;
return -1; goto end;
} }
if (is_duplicate)
{
rc= -1;
goto end;
}
}
break;
}
case EXCEPT_TYPE:
{
int find_res;
/*
The temporary table uses very first index or constrain for
checking unique constrain.
*/
if (!(find_res= table->file->find_unique_row(table->record[0], 0)))
{
DBUG_ASSERT(!table->triggers);
table->status|= STATUS_DELETED;
not_reported_error= table->file->ha_delete_tmp_row(table->record[0]);
rc= MY_TEST(not_reported_error);
goto end;
}
else
{
if ((rc= not_reported_error= (find_res != 1)))
goto end;
}
break;
}
case INTERSECT_TYPE:
{
int find_res;
/*
The temporary table uses very first index or constrain for
checking unique constrain.
*/
if (!(find_res= table->file->find_unique_row(table->record[0], 0)))
{
DBUG_ASSERT(!table->triggers);
if (table->field[0]->val_int() != prev_step)
{
rc= 0;
goto end;
}
store_record(table, record[1]);
table->field[0]->store(curr_step, 0);
not_reported_error= table->file->ha_update_tmp_row(table->record[1],
table->record[0]);
rc= MY_TEST(not_reported_error);
DBUG_ASSERT(rc != HA_ERR_RECORD_IS_THE_SAME);
goto end;
}
else
{
if ((rc= not_reported_error= (find_res != 1)))
goto end;
}
break;
}
default:
DBUG_ASSERT(0);
}
rc= 0;
end:
if (not_reported_error)
{
DBUG_ASSERT(rc);
table->file->print_error(not_reported_error, MYF(0));
}
return rc;
}
bool select_unit::send_eof()
{
if (step != INTERSECT_TYPE ||
(thd->lex->current_select->next_select() &&
thd->lex->current_select->next_select()->linkage == INTERSECT_TYPE))
{
/*
it is not INTESECT or next SELECT in the sequence is INTERSECT so no
need filtering (the last INTERSECT in this sequence of intersects will
filter).
*/
return 0; return 0;
}
/*
It is last select in the sequence of INTERSECTs so we should filter out
all records except marked with actual counter.
TODO: as optimization for simple case this could be moved to
'fake_select' WHERE condition
*/
handler *file= table->file;
int error;
if (file->ha_rnd_init_with_error(1))
return 1;
do
{
error= file->ha_rnd_next(table->record[0]);
if (error)
{
if (error == HA_ERR_END_OF_FILE)
{
error= 0;
break;
}
if (unlikely(error == HA_ERR_RECORD_DELETED))
{
error= 0;
continue;
}
break;
}
if (table->field[0]->val_int() != curr_step)
error= file->ha_delete_tmp_row(table->record[0]);
} while (!error);
file->ha_rnd_end();
if (error)
table->file->print_error(error, MYF(0));
return(MY_TEST(error));
} }
int select_union_recursive::send_data(List<Item> &values) int select_union_recursive::send_data(List<Item> &values)
{ {
int rc= select_union::send_data(values); int rc= select_unit::send_data(values);
if (write_err != HA_ERR_FOUND_DUPP_KEY) if (write_err != HA_ERR_FOUND_DUPP_KEY)
{ {
@@ -122,13 +319,7 @@ int select_union_recursive::send_data(List<Item> &values)
} }
bool select_union::send_eof() bool select_unit::flush()
{
return 0;
}
bool select_union::flush()
{ {
int error; int error;
if ((error=table->file->extra(HA_EXTRA_NO_CACHE))) if ((error=table->file->extra(HA_EXTRA_NO_CACHE)))
@@ -139,11 +330,12 @@ bool select_union::flush()
return 0; return 0;
} }
/* /*
Create a temporary table to store the result of select_union. Create a temporary table to store the result of select_union.
SYNOPSIS SYNOPSIS
select_union::create_result_table() select_unit::create_result_table()
thd thread handle thd thread handle
column_types a list of items used to define columns of the column_types a list of items used to define columns of the
temporary table temporary table
@@ -154,6 +346,7 @@ bool select_union::flush()
bit_fields_as_long convert bit fields to ulonglong bit_fields_as_long convert bit fields to ulonglong
create_table whether to physically create result table create_table whether to physically create result table
keep_row_order keep rows in order as they were inserted keep_row_order keep rows in order as they were inserted
hidden number of hidden fields (for INTERSECT)
DESCRIPTION DESCRIPTION
Create a temporary table that is used to store the result of a UNION, Create a temporary table that is used to store the result of a UNION,
@@ -165,16 +358,18 @@ bool select_union::flush()
*/ */
bool bool
select_union::create_result_table(THD *thd_arg, List<Item> *column_types, select_unit::create_result_table(THD *thd_arg, List<Item> *column_types,
bool is_union_distinct, ulonglong options, bool is_union_distinct, ulonglong options,
const char *alias, const char *alias,
bool bit_fields_as_long, bool create_table, bool bit_fields_as_long, bool create_table,
bool keep_row_order) bool keep_row_order,
uint hidden)
{ {
DBUG_ASSERT(table == 0); DBUG_ASSERT(table == 0);
tmp_table_param.init(); tmp_table_param.init();
tmp_table_param.field_count= column_types->elements; tmp_table_param.field_count= column_types->elements;
tmp_table_param.bit_fields_as_long= bit_fields_as_long; tmp_table_param.bit_fields_as_long= bit_fields_as_long;
tmp_table_param.hidden_field_count= hidden;
if (! (table= create_tmp_table(thd_arg, &tmp_table_param, *column_types, if (! (table= create_tmp_table(thd_arg, &tmp_table_param, *column_types,
(ORDER*) 0, is_union_distinct, 1, (ORDER*) 0, is_union_distinct, 1,
@@ -202,12 +397,14 @@ select_union_recursive::create_result_table(THD *thd_arg,
const char *alias, const char *alias,
bool bit_fields_as_long, bool bit_fields_as_long,
bool create_table, bool create_table,
bool keep_row_order) bool keep_row_order,
uint hidden)
{ {
if (select_union::create_result_table(thd_arg, column_types, if (select_unit::create_result_table(thd_arg, column_types,
is_union_distinct, options, is_union_distinct, options,
"", bit_fields_as_long, "", bit_fields_as_long,
create_table, keep_row_order)) create_table, keep_row_order,
hidden))
return true; return true;
if (! (incr_table= create_tmp_table(thd_arg, &tmp_table_param, *column_types, if (! (incr_table= create_tmp_table(thd_arg, &tmp_table_param, *column_types,
@@ -252,7 +449,7 @@ select_union_recursive::create_result_table(THD *thd_arg,
tables of JOIN - exec_tmp_table_[1 | 2]. tables of JOIN - exec_tmp_table_[1 | 2].
*/ */
void select_union::cleanup() void select_unit::cleanup()
{ {
table->file->extra(HA_EXTRA_RESET_STATE); table->file->extra(HA_EXTRA_RESET_STATE);
table->file->ha_delete_all_rows(); table->file->ha_delete_all_rows();
@@ -263,7 +460,7 @@ void select_union_recursive::cleanup()
{ {
if (table) if (table)
{ {
select_union::cleanup(); select_unit::cleanup();
free_tmp_table(thd, table); free_tmp_table(thd, table);
} }
@@ -450,6 +647,7 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
bool is_rec_result_table_created= false; bool is_rec_result_table_created= false;
select_result *tmp_result; select_result *tmp_result;
bool is_union_select; bool is_union_select;
bool have_except= FALSE, have_intersect= FALSE;
bool instantiate_tmp_table= false; bool instantiate_tmp_table= false;
DBUG_ENTER("st_select_lex_unit::prepare"); DBUG_ENTER("st_select_lex_unit::prepare");
DBUG_ASSERT(thd == thd_arg); DBUG_ASSERT(thd == thd_arg);
@@ -496,13 +694,28 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
thd_arg->lex->current_select= sl= first_sl; thd_arg->lex->current_select= sl= first_sl;
found_rows_for_union= first_sl->options & OPTION_FOUND_ROWS; found_rows_for_union= first_sl->options & OPTION_FOUND_ROWS;
is_union_select= is_union() || fake_select_lex; is_union_select= is_unit_op() || fake_select_lex;
for (SELECT_LEX *s= first_sl; s; s= s->next_select())
{
switch (s->linkage)
{
case INTERSECT_TYPE:
have_intersect= TRUE;
break;
case EXCEPT_TYPE:
have_except= TRUE;
break;
default:
break;
}
}
/* Global option */ /* Global option */
if (is_union_select || is_recursive) if (is_union_select || is_recursive)
{ {
if (is_union() && !union_needs_tmp_table()) if (is_unit_op() && !union_needs_tmp_table() &&
!have_except && !have_intersect)
{ {
SELECT_LEX *last= first_select(); SELECT_LEX *last= first_select();
while (last->next_select()) while (last->next_select())
@@ -517,7 +730,7 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
else else
{ {
if (!is_recursive) if (!is_recursive)
union_result= new (thd_arg->mem_root) select_union(thd_arg); union_result= new (thd_arg->mem_root) select_unit(thd_arg);
else else
{ {
with_element->rec_result= with_element->rec_result=
@@ -540,7 +753,8 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
bool can_skip_order_by; bool can_skip_order_by;
sl->options|= SELECT_NO_UNLOCK; sl->options|= SELECT_NO_UNLOCK;
JOIN *join= new JOIN(thd_arg, sl->item_list, JOIN *join= new JOIN(thd_arg, sl->item_list,
sl->options | thd_arg->variables.option_bits | additional_options, (sl->options | thd_arg->variables.option_bits |
additional_options),
tmp_result); tmp_result);
/* /*
setup_tables_done_option should be set only for very first SELECT, setup_tables_done_option should be set only for very first SELECT,
@@ -652,7 +866,8 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
MY_TEST(union_distinct), MY_TEST(union_distinct),
create_options, derived->alias, create_options, derived->alias,
false, false,
instantiate_tmp_table, false)) instantiate_tmp_table, false,
0))
goto err; goto err;
if (!derived->table) if (!derived->table)
derived->table= derived->derived_result->table= derived->table= derived->derived_result->table=
@@ -733,12 +948,47 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
if (global_parameters()->ftfunc_list->elements) if (global_parameters()->ftfunc_list->elements)
create_options= create_options | TMP_TABLE_FORCE_MYISAM; create_options= create_options | TMP_TABLE_FORCE_MYISAM;
if (!is_recursive)
{
uint hidden= 0;
if (have_intersect)
{
hidden= 1;
if (!intersect_mark)
{
/*
For intersect we add a hidden column first that contains
the current select number of the time when the row was
added to the temporary table
*/
if (!is_recursive && Query_arena *arena, backup_arena;
union_result->create_result_table(thd, &types, MY_TEST(union_distinct), arena= thd->activate_stmt_arena_if_needed(&backup_arena);
create_options, "", false,
instantiate_tmp_table, false)) intersect_mark= new (thd_arg->mem_root) Item_int(thd, 0);
if (arena)
thd->restore_active_arena(arena, &backup_arena);
if (!intersect_mark)
goto err; goto err;
}
else
intersect_mark->value= 0; //reset
types.push_front(union_result->intersect_mark= intersect_mark);
union_result->intersect_mark->name= (char *)"___";
}
bool error=
union_result->create_result_table(thd, &types,
MY_TEST(union_distinct),
create_options, "", false,
instantiate_tmp_table, false,
hidden);
if (intersect_mark)
types.pop();
if (error)
goto err;
}
if (fake_select_lex && !fake_select_lex->first_cond_optimization) if (fake_select_lex && !fake_select_lex->first_cond_optimization)
{ {
save_tablenr= result_table_list.tablenr_exec; save_tablenr= result_table_list.tablenr_exec;
@@ -764,6 +1014,9 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
arena= thd->activate_stmt_arena_if_needed(&backup_arena); arena= thd->activate_stmt_arena_if_needed(&backup_arena);
saved_error= table->fill_item_list(&item_list); saved_error= table->fill_item_list(&item_list);
// Item_list is inherited from 'types', so there could be the counter
if (intersect_mark)
item_list.pop(); // remove intersect counter
if (arena) if (arena)
thd->restore_active_arena(arena, &backup_arena); thd->restore_active_arena(arena, &backup_arena);
@@ -815,7 +1068,7 @@ bool st_select_lex_unit::prepare(THD *thd_arg, select_result *sel_result,
We're in execution of a prepared statement or stored procedure: We're in execution of a prepared statement or stored procedure:
reset field items to point at fields from the created temporary table. reset field items to point at fields from the created temporary table.
*/ */
table->reset_item_list(&item_list); table->reset_item_list(&item_list, intersect_mark ? 1 : 0);
} }
} }
@@ -951,6 +1204,8 @@ bool st_select_lex_unit::exec()
{ {
ha_rows records_at_start= 0; ha_rows records_at_start= 0;
thd->lex->current_select= sl; thd->lex->current_select= sl;
if (union_result)
union_result->change_select();
if (fake_select_lex) if (fake_select_lex)
{ {
if (sl != &thd->lex->select_lex) if (sl != &thd->lex->select_lex)
@@ -1339,7 +1594,7 @@ void st_select_lex_unit::reinit_exec_mechanism()
prepared= optimized= executed= 0; prepared= optimized= executed= 0;
optimize_started= 0; optimize_started= 0;
#ifndef DBUG_OFF #ifndef DBUG_OFF
if (is_union()) if (is_unit_op())
{ {
List_iterator_fast<Item> it(item_list); List_iterator_fast<Item> it(item_list);
Item *field; Item *field;
@@ -1421,7 +1676,7 @@ List<Item> *st_select_lex_unit::get_column_types(bool for_cursor)
} }
if (is_union()) if (is_unit_op())
{ {
DBUG_ASSERT(prepared); DBUG_ASSERT(prepared);
/* Types are generated during prepare */ /* Types are generated during prepare */

6
sql/sql_view.cc
View File

@@ -1095,7 +1095,7 @@ loop_out:
UNION UNION
*/ */
if (view->updatable_view && if (view->updatable_view &&
!lex->select_lex.master_unit()->is_union() && !lex->select_lex.master_unit()->is_unit_op() &&
!(lex->select_lex.table_list.first)->next_local && !(lex->select_lex.table_list.first)->next_local &&
find_table_in_global_list(lex->query_tables->next_global, find_table_in_global_list(lex->query_tables->next_global,
lex->query_tables->db, lex->query_tables->db,
@@ -1672,7 +1672,7 @@ bool mysql_make_view(THD *thd, TABLE_SHARE *share, TABLE_LIST *table,
We can safely ignore the VIEW's ORDER BY if we merge into union We can safely ignore the VIEW's ORDER BY if we merge into union
branch, as order is not important there. branch, as order is not important there.
*/ */
if (!table->select_lex->master_unit()->is_union() && if (!table->select_lex->master_unit()->is_unit_op() &&
table->select_lex->order_list.elements == 0) table->select_lex->order_list.elements == 0)
table->select_lex->order_list.push_back(&lex->select_lex.order_list); table->select_lex->order_list.push_back(&lex->select_lex.order_list);
else else
@@ -1680,7 +1680,7 @@ bool mysql_make_view(THD *thd, TABLE_SHARE *share, TABLE_LIST *table,
if (old_lex->sql_command == SQLCOM_SELECT && if (old_lex->sql_command == SQLCOM_SELECT &&
(old_lex->describe & DESCRIBE_EXTENDED) && (old_lex->describe & DESCRIBE_EXTENDED) &&
lex->select_lex.order_list.elements && lex->select_lex.order_list.elements &&
!table->select_lex->master_unit()->is_union()) !table->select_lex->master_unit()->is_unit_op())
{ {
push_warning_printf(thd, Sql_condition::WARN_LEVEL_NOTE, push_warning_printf(thd, Sql_condition::WARN_LEVEL_NOTE,
ER_VIEW_ORDERBY_IGNORED, ER_VIEW_ORDERBY_IGNORED,

83
sql/sql_yacc.yy
View File

@@ -65,6 +65,7 @@
#include "set_var.h" #include "set_var.h"
#include "rpl_mi.h" #include "rpl_mi.h"
#include "lex_token.h" #include "lex_token.h"
#include "sql_lex.h"
/* this is to get the bison compilation windows warnings out */ /* this is to get the bison compilation windows warnings out */
#ifdef _MSC_VER #ifdef _MSC_VER
@@ -657,26 +658,29 @@ Item* handle_sql2003_note184_exception(THD *thd, Item* left, bool equal,
reported. In the latter case parsing should stop. reported. In the latter case parsing should stop.
*/ */
bool LEX::add_select_to_union_list(bool is_union_distinct, bool LEX::add_select_to_union_list(bool is_union_distinct,
enum sub_select_type type,
bool is_top_level) bool is_top_level)
{ {
const char *type_name= (type == INTERSECT_TYPE ? "INTERSECT" :
(type == EXCEPT_TYPE ? "EXCEPT" : "UNION"));
/* /*
Only the last SELECT can have INTO. Since the grammar won't allow INTO in Only the last SELECT can have INTO. Since the grammar won't allow INTO in
a nested SELECT, we make this check only when creating a top-level SELECT. a nested SELECT, we make this check only when creating a top-level SELECT.
*/ */
if (is_top_level && result) if (is_top_level && result)
{ {
my_error(ER_WRONG_USAGE, MYF(0), "UNION", "INTO"); my_error(ER_WRONG_USAGE, MYF(0), type_name, "INTO");
return TRUE; return TRUE;
} }
if (current_select->order_list.first && !current_select->braces) if (current_select->order_list.first && !current_select->braces)
{ {
my_error(ER_WRONG_USAGE, MYF(0), "UNION", "ORDER BY"); my_error(ER_WRONG_USAGE, MYF(0), type_name, "ORDER BY");
return TRUE; return TRUE;
} }
if (current_select->explicit_limit && !current_select->braces) if (current_select->explicit_limit && !current_select->braces)
{ {
my_error(ER_WRONG_USAGE, MYF(0), "UNION", "LIMIT"); my_error(ER_WRONG_USAGE, MYF(0), type_name, "LIMIT");
return TRUE; return TRUE;
} }
if (current_select->linkage == GLOBAL_OPTIONS_TYPE) if (current_select->linkage == GLOBAL_OPTIONS_TYPE)
@@ -684,15 +688,44 @@ bool LEX::add_select_to_union_list(bool is_union_distinct,
my_parse_error(thd, ER_SYNTAX_ERROR); my_parse_error(thd, ER_SYNTAX_ERROR);
return TRUE; return TRUE;
} }
if (!is_union_distinct && (type == INTERSECT_TYPE || type == EXCEPT_TYPE))
{
my_error(ER_WRONG_USAGE, MYF(0), type_name, "ALL");
return TRUE;
}
/*
Priority implementation, but also trying to keep things as flat
as possible */
if (type == INTERSECT_TYPE &&
(current_select->linkage != INTERSECT_TYPE &&
current_select != current_select->master_unit()->first_select()))
{
/*
This and previous SELECTs should go one level down because of
priority
*/
SELECT_LEX *prev= exclude_last_select();
if (add_unit_in_brackets(prev))
return TRUE;
return add_select_to_union_list(is_union_distinct, type, 0);
}
else
{
check_automatic_up(type);
}
/* This counter shouldn't be incremented for UNION parts */ /* This counter shouldn't be incremented for UNION parts */
nest_level--; nest_level--;
if (mysql_new_select(this, 0)) if (mysql_new_select(this, 0, NULL))
return TRUE; return TRUE;
mysql_init_select(this); mysql_init_select(this);
current_select->linkage=UNION_TYPE; current_select->linkage= type;
if (is_union_distinct) /* UNION DISTINCT - remember position */ if (is_union_distinct) /* UNION DISTINCT - remember position */
{
current_select->master_unit()->union_distinct= current_select->master_unit()->union_distinct=
current_select; current_select;
}
else
DBUG_ASSERT(type == UNION_TYPE);
return FALSE; return FALSE;
} }
@@ -935,6 +968,7 @@ Virtual_column_info *add_virtual_expression(THD *thd, Item *expr)
st_trg_execution_order trg_execution_order; st_trg_execution_order trg_execution_order;
/* enums */ /* enums */
enum sub_select_type unit_type;
enum Condition_information_item::Name cond_info_item_name; enum Condition_information_item::Name cond_info_item_name;
enum enum_diag_condition_item_name diag_condition_item_name; enum enum_diag_condition_item_name diag_condition_item_name;
enum Diagnostics_information::Which_area diag_area; enum Diagnostics_information::Which_area diag_area;
@@ -1171,6 +1205,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%token EVERY_SYM /* SQL-2003-N */ %token EVERY_SYM /* SQL-2003-N */
%token EXCHANGE_SYM %token EXCHANGE_SYM
%token EXAMINED_SYM %token EXAMINED_SYM
%token EXCEPT_SYM /* SQL-2003-R */
%token EXCLUDE_SYM /* SQL-2011-N */ %token EXCLUDE_SYM /* SQL-2011-N */
%token EXECUTE_SYM /* SQL-2003-R */ %token EXECUTE_SYM /* SQL-2003-R */
%token EXISTS /* SQL-2003-R */ %token EXISTS /* SQL-2003-R */
@@ -1250,6 +1285,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%token INSERT /* SQL-2003-R */ %token INSERT /* SQL-2003-R */
%token INSERT_METHOD %token INSERT_METHOD
%token INSTALL_SYM %token INSTALL_SYM
%token INTERSECT_SYM /* SQL-2003-R */
%token INTERVAL_SYM /* SQL-2003-R */ %token INTERVAL_SYM /* SQL-2003-R */
%token INTO /* SQL-2003-R */ %token INTO /* SQL-2003-R */
%token INT_SYM /* SQL-2003-R */ %token INT_SYM /* SQL-2003-R */
@@ -1880,6 +1916,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%type <virtual_column> opt_check_constraint check_constraint virtual_column_func %type <virtual_column> opt_check_constraint check_constraint virtual_column_func
column_default_expr column_default_expr
%type <unit_type> unit_type_decl
%type <NONE> %type <NONE>
analyze_stmt_command analyze_stmt_command
@@ -11010,6 +11047,7 @@ table_primary_derived:
are no outer parentheses, add_table_to_list() will throw are no outer parentheses, add_table_to_list() will throw
error in this case */ error in this case */
LEX *lex=Lex; LEX *lex=Lex;
lex->check_automatic_up(UNSPECIFIED_TYPE);
SELECT_LEX *sel= lex->current_select; SELECT_LEX *sel= lex->current_select;
SELECT_LEX_UNIT *unit= sel->master_unit(); SELECT_LEX_UNIT *unit= sel->master_unit();
lex->current_select= sel= unit->outer_select(); lex->current_select= sel= unit->outer_select();
@@ -11025,10 +11063,6 @@ table_primary_derived:
lex->pop_context(); lex->pop_context();
lex->nest_level--; lex->nest_level--;
} }
/*else if (($3->select_lex &&
$3->select_lex->master_unit()->is_union() &&
($3->select_lex->master_unit()->first_select() ==
$3->select_lex || !$3->lifted)) || $5)*/
else if ($5 != NULL) else if ($5 != NULL)
{ {
/* /*
@@ -11195,7 +11229,7 @@ select_derived2:
MYSQL_YYABORT; MYSQL_YYABORT;
} }
if (lex->current_select->linkage == GLOBAL_OPTIONS_TYPE || if (lex->current_select->linkage == GLOBAL_OPTIONS_TYPE ||
mysql_new_select(lex, 1)) mysql_new_select(lex, 1, NULL))
MYSQL_YYABORT; MYSQL_YYABORT;
mysql_init_select(lex); mysql_init_select(lex);
lex->current_select->linkage= DERIVED_TABLE_TYPE; lex->current_select->linkage= DERIVED_TABLE_TYPE;
@@ -11683,13 +11717,13 @@ order_clause:
yet. yet.
*/ */
SELECT_LEX *first_sl= unit->first_select(); SELECT_LEX *first_sl= unit->first_select();
if (!unit->is_union() && if (!unit->is_unit_op() &&
(first_sl->order_list.elements || (first_sl->order_list.elements ||
first_sl->select_limit) && first_sl->select_limit) &&
unit->add_fake_select_lex(thd)) unit->add_fake_select_lex(thd))
MYSQL_YYABORT; MYSQL_YYABORT;
} }
if (sel->master_unit()->is_union() && !sel->braces) if (sel->master_unit()->is_unit_op() && !sel->braces)
{ {
/* /*
At this point we don't know yet whether this is the last At this point we don't know yet whether this is the last
@@ -11729,7 +11763,7 @@ limit_clause_init:
LIMIT LIMIT
{ {
SELECT_LEX *sel= Select; SELECT_LEX *sel= Select;
if (sel->master_unit()->is_union() && !sel->braces) if (sel->master_unit()->is_unit_op() && !sel->braces)
{ {
/* Move LIMIT that belongs to UNION to fake_select_lex */ /* Move LIMIT that belongs to UNION to fake_select_lex */
Lex->current_select= sel->master_unit()->fake_select_lex; Lex->current_select= sel->master_unit()->fake_select_lex;
@@ -16162,6 +16196,14 @@ release:
UNIONS : glue selects together UNIONS : glue selects together
*/ */
unit_type_decl:
UNION_SYM
{ $$= UNION_TYPE; }
| INTERSECT_SYM
{ $$= INTERSECT_TYPE; }
| EXCEPT_SYM
{ $$= EXCEPT_TYPE; }
union_clause: union_clause:
/* empty */ {} /* empty */ {}
@@ -16169,9 +16211,9 @@ union_clause:
; ;
union_list: union_list:
UNION_SYM union_option unit_type_decl union_option
{ {
if (Lex->add_select_to_union_list((bool)$2, TRUE)) if (Lex->add_select_to_union_list((bool)$2, $1, TRUE))
MYSQL_YYABORT; MYSQL_YYABORT;
} }
union_list_part2 union_list_part2
@@ -16185,9 +16227,9 @@ union_list:
; ;
union_list_view: union_list_view:
UNION_SYM union_option unit_type_decl union_option
{ {
if (Lex->add_select_to_union_list((bool)$2, TRUE)) if (Lex->add_select_to_union_list((bool)$2, $1, TRUE))
MYSQL_YYABORT; MYSQL_YYABORT;
} }
query_expression_body_view query_expression_body_view
@@ -16226,9 +16268,9 @@ order_or_limit:
Start a UNION, for non-top level query expressions. Start a UNION, for non-top level query expressions.
*/ */
union_head_non_top: union_head_non_top:
UNION_SYM union_option unit_type_decl union_option
{ {
if (Lex->add_select_to_union_list((bool)$2, FALSE)) if (Lex->add_select_to_union_list((bool)$2, $1, FALSE))
MYSQL_YYABORT; MYSQL_YYABORT;
} }
; ;
@@ -16296,7 +16338,7 @@ subselect_start:
(SELECT .. ) UNION ... becomes (SELECT .. ) UNION ... becomes
SELECT * FROM ((SELECT ...) UNION ...) SELECT * FROM ((SELECT ...) UNION ...)
*/ */
if (mysql_new_select(Lex, 1)) if (mysql_new_select(Lex, 1, NULL))
MYSQL_YYABORT; MYSQL_YYABORT;
} }
; ;
@@ -16305,6 +16347,7 @@ subselect_end:
{ {
LEX *lex=Lex; LEX *lex=Lex;
lex->check_automatic_up(UNSPECIFIED_TYPE);
lex->pop_context(); lex->pop_context();
SELECT_LEX *child= lex->current_select; SELECT_LEX *child= lex->current_select;
lex->current_select = lex->current_select->return_after_parsing(); lex->current_select = lex->current_select->return_after_parsing();

9
sql/table.cc
View File

@@ -4477,10 +4477,13 @@ bool TABLE::fill_item_list(List<Item> *item_list) const
is the same as the number of columns in the table. is the same as the number of columns in the table.
*/ */
void TABLE::reset_item_list(List<Item> *item_list) const void TABLE::reset_item_list(List<Item> *item_list, uint skip) const
{ {
List_iterator_fast<Item> it(*item_list); List_iterator_fast<Item> it(*item_list);
for (Field **ptr= field; *ptr; ptr++) Field **ptr= field;
for ( ; skip && *ptr; skip--)
ptr++;
for (; *ptr; ptr++)
{ {
Item_field *item_field= (Item_field*) it++; Item_field *item_field= (Item_field*) it++;
DBUG_ASSERT(item_field != 0); DBUG_ASSERT(item_field != 0);
@@ -7866,7 +7869,7 @@ int TABLE_LIST::fetch_number_of_rows()
if (is_materialized_derived() && !fill_me) if (is_materialized_derived() && !fill_me)
{ {
table->file->stats.records= ((select_union*)derived->result)->records; table->file->stats.records= ((select_unit*)derived->result)->records;
set_if_bigger(table->file->stats.records, 2); set_if_bigger(table->file->stats.records, 2);
table->used_stat_records= table->file->stats.records; table->used_stat_records= table->file->stats.records;
} }

6
sql/table.h
View File

@@ -1303,7 +1303,7 @@ public:
void init(THD *thd, TABLE_LIST *tl); void init(THD *thd, TABLE_LIST *tl);
bool fill_item_list(List<Item> *item_list) const; bool fill_item_list(List<Item> *item_list) const;
void reset_item_list(List<Item> *item_list) const; void reset_item_list(List<Item> *item_list, uint skip) const;
void clear_column_bitmaps(void); void clear_column_bitmaps(void);
void prepare_for_position(void); void prepare_for_position(void);
MY_BITMAP *prepare_for_keyread(uint index, MY_BITMAP *map); MY_BITMAP *prepare_for_keyread(uint index, MY_BITMAP *map);
@@ -1635,7 +1635,7 @@ class IS_table_read_plan;
/** The threshold size a blob field buffer before it is freed */ /** The threshold size a blob field buffer before it is freed */
#define MAX_TDC_BLOB_SIZE 65536 #define MAX_TDC_BLOB_SIZE 65536
class select_union; class select_unit;
class TMP_TABLE_PARAM; class TMP_TABLE_PARAM;
Item *create_view_field(THD *thd, TABLE_LIST *view, Item **field_ref, Item *create_view_field(THD *thd, TABLE_LIST *view, Item **field_ref,
@@ -1868,7 +1868,7 @@ struct TABLE_LIST
select_result for derived table to pass it from table creation to table select_result for derived table to pass it from table creation to table
filling procedure filling procedure
*/ */
select_union *derived_result; select_unit *derived_result;
/* Stub used for materialized derived tables. */ /* Stub used for materialized derived tables. */
table_map map; /* ID bit of table (1,2,4,8,16...) */ table_map map; /* ID bit of table (1,2,4,8,16...) */
table_map get_map() table_map get_map()

48
storage/heap/ha_heap.cc
View File

@@ -781,6 +781,54 @@ bool ha_heap::check_if_incompatible_data(HA_CREATE_INFO *info,
return COMPATIBLE_DATA_YES; return COMPATIBLE_DATA_YES;
} }
/**
Find record by unique index (used in temporary tables with the index)
@param record (IN|OUT) the record to find
@param unique_idx (IN) number of index (for this engine)
@note It is like hp_search but uses function for raw where hp_search
uses functions for index.
@retval 0 OK
@retval 1 Not found
@retval -1 Error
*/
int ha_heap::find_unique_row(uchar *record, uint unique_idx)
{
DBUG_ENTER("ha_heap::find_unique_row");
HP_SHARE *share= file->s;
DBUG_ASSERT(inited==NONE);
HP_KEYDEF *keyinfo= share->keydef + unique_idx;
DBUG_ASSERT(keyinfo->algorithm == HA_KEY_ALG_HASH);
DBUG_ASSERT(keyinfo->flag & HA_NOSAME);
if (!share->records)
DBUG_RETURN(1); // not found
HASH_INFO *pos= hp_find_hash(&keyinfo->block,
hp_mask(hp_rec_hashnr(keyinfo, record),
share->blength, share->records));
do
{
if (!hp_rec_key_cmp(keyinfo, pos->ptr_to_rec, record))
{
file->current_hash_ptr= pos;
file->current_ptr= pos->ptr_to_rec;
file->update = HA_STATE_AKTIV;
/*
We compare it only by record in the index, so better to read all
records.
*/
memcpy(record, file->current_ptr, (size_t) share->reclength);
DBUG_RETURN(0); // found and position set
}
}
while ((pos= pos->next_key));
DBUG_RETURN(1); // not found
}
struct st_mysql_storage_engine heap_storage_engine= struct st_mysql_storage_engine heap_storage_engine=
{ MYSQL_HANDLERTON_INTERFACE_VERSION }; { MYSQL_HANDLERTON_INTERFACE_VERSION };

1
storage/heap/ha_heap.h
View File

@@ -115,6 +115,7 @@ public:
return memcmp(ref1, ref2, sizeof(HEAP_PTR)); return memcmp(ref1, ref2, sizeof(HEAP_PTR));
} }
bool check_if_incompatible_data(HA_CREATE_INFO *info, uint table_changes); bool check_if_incompatible_data(HA_CREATE_INFO *info, uint table_changes);
int find_unique_row(uchar *record, uint unique_idx);
private: private:
void update_key_stats(); void update_key_stats();
}; };

30
storage/maria/ha_maria.cc
View File

@@ -3924,6 +3924,36 @@ Item *ha_maria::idx_cond_push(uint keyno_arg, Item* idx_cond_arg)
return NULL; return NULL;
} }
/**
Find record by unique constrain (used in temporary tables)
@param record (IN|OUT) the record to find
@param constrain_no (IN) number of constrain (for this engine)
@note It is like hp_search but uses function for raw where hp_search
uses functions for index.
@retval 0 OK
@retval 1 Not found
@retval -1 Error
*/
int ha_maria::find_unique_row(uchar *record, uint constrain_no)
{
MARIA_UNIQUEDEF *def= file->s->uniqueinfo + constrain_no;
ha_checksum unique_hash= _ma_unique_hash(def, record);
int rc= _ma_check_unique(file, def, record, unique_hash, HA_OFFSET_ERROR);
if (rc)
{
file->cur_row.lastpos= file->dup_key_pos;
if ((*file->read_record)(file, record, file->cur_row.lastpos))
return -1;
file->update|= HA_STATE_AKTIV; /* Record is read */
}
// invert logic
return (rc ? 0 : 1);
}
struct st_mysql_storage_engine maria_storage_engine= struct st_mysql_storage_engine maria_storage_engine=
{ MYSQL_HANDLERTON_INTERFACE_VERSION }; { MYSQL_HANDLERTON_INTERFACE_VERSION };

2
storage/maria/ha_maria.h
View File

@@ -190,6 +190,8 @@ public:
/* Index condition pushdown implementation */ /* Index condition pushdown implementation */
Item *idx_cond_push(uint keyno, Item* idx_cond); Item *idx_cond_push(uint keyno, Item* idx_cond);
int find_unique_row(uchar *record, uint unique_idx);
private: private:
DsMrr_impl ds_mrr; DsMrr_impl ds_mrr;
friend ICP_RESULT index_cond_func_maria(void *arg); friend ICP_RESULT index_cond_func_maria(void *arg);