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Mistakes corrected.

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TVC can be used in IN subquery and in PARTITION BY struct now.
Special variable to control working of optimization added.
This commit is contained in:
Galina Shalygina
2017-10-28 20:54:18 +02:00
parent 75370a58f4
commit a4ded0a9b5
34 changed files with 826 additions and 80 deletions
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10
mysql-test/r/errors.result
View File

@ -150,17 +150,17 @@ ERROR 22003: BIGINT value is out of range in '-73 * -2465717823867977728'
#
CREATE TABLE t1 (a INT);
CREATE TABLE t2(a INT PRIMARY KEY, b INT);
SELECT '' AS b FROM t1 GROUP BY VALUES(b);
SELECT '' AS b FROM t1 GROUP BY VALUE(b);
ERROR 42S22: Unknown column '' in 'VALUES() function'
REPLACE t2(b) SELECT '' AS b FROM t1 GROUP BY VALUES(b);
REPLACE t2(b) SELECT '' AS b FROM t1 GROUP BY VALUE(b);
ERROR 42S22: Unknown column '' in 'VALUES() function'
UPDATE t2 SET a=(SELECT '' AS b FROM t1 GROUP BY VALUES(b));
UPDATE t2 SET a=(SELECT '' AS b FROM t1 GROUP BY VALUE(b));
ERROR 42S22: Unknown column '' in 'VALUES() function'
INSERT INTO t2 VALUES (1,0) ON DUPLICATE KEY UPDATE
b=(SELECT '' AS b FROM t1 GROUP BY VALUES(b));
b=(SELECT '' AS b FROM t1 GROUP BY VALUE(b));
ERROR 42S22: Unknown column '' in 'VALUES() function'
INSERT INTO t2(a,b) VALUES (1,0) ON DUPLICATE KEY UPDATE
b=(SELECT VALUES(a)+2 FROM t1);
b=(SELECT VALUE(a)+2 FROM t1);
DROP TABLE t1, t2;
#
# MDEV-492: incorrect error check before sending OK in mysql_update

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

@ -226,7 +226,7 @@ create table y select 1 b;
select 1 from y group by b;
1
1
select 1 from y group by values(b);
select 1 from y group by value(b);
1
1
drop table y;

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

@ -286,11 +286,11 @@ NAME_CONST('a', -(1)) OR 1
CREATE TABLE t1 (a INT, b INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1,10);
CREATE VIEW v1 AS SELECT * FROM t1;
EXPLAIN EXTENDED SELECT VALUES(b) FROM v1;
EXPLAIN EXTENDED SELECT VALUE(b) FROM v1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 system NULL NULL NULL NULL 1 100.00
Warnings:
Note 1003 select values(10) AS `VALUES(b)` from dual
Note 1003 select values(10) AS `VALUE(b)` from dual
drop view v1;
drop table t1;
End of 5.3 tests

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

@ -1,6 +1,6 @@
create table t1 (a int);
insert into t1 values (1),(2);
select max('foo') from t1 group by values(a), extractvalue('bar','qux') order by "v";
select max('foo') from t1 group by value(a), extractvalue('bar','qux') order by "v";
max('foo')
foo
drop table t1;

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

@ -49,19 +49,19 @@ a b c
5 0 30
8 9 60
INSERT t1 VALUES (2,1,11), (7,4,40) ON DUPLICATE KEY UPDATE c=c+VALUES(a);
SELECT *, VALUES(a) FROM t1;
a b c VALUES(a)
SELECT *, VALUE(a) FROM t1;
a b c VALUE(a)
1 2 10 NULL
3 4 127 NULL
5 0 30 NULL
8 9 60 NULL
2 1 11 NULL
explain extended SELECT *, VALUES(a) FROM t1;
explain extended SELECT *, VALUE(a) FROM t1;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c`,values(`test`.`t1`.`a`) AS `VALUES(a)` from `test`.`t1`
explain extended select * from t1 where values(a);
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c`,values(`test`.`t1`.`a`) AS `VALUE(a)` from `test`.`t1`
explain extended select * from t1 where value(a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 5 100.00 Using where
Warnings:
@ -160,8 +160,8 @@ a b c
INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=c+VALUES(a);
ERROR 23000: Column 'c' in field list is ambiguous
INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=t1.c+VALUES(t1.a);
SELECT *, VALUES(a) FROM t1;
a b c VALUES(a)
SELECT *, VALUE(a) FROM t1;
a b c VALUE(a)
1 2 10 NULL
3 4 127 NULL
5 0 30 NULL

5
mysql-test/r/mysqld--help.result
View File

@ -286,6 +286,10 @@ The following options may be given as the first argument:
Specifies a directory to add to the ignore list when
collecting database names from the datadir. Put a blank
argument to reset the list accumulated so far.
--in-subquery-conversion-threshold[=#]
The minimum number of scalar elements in the value list
ofIN predicate that triggers its conversion to IN
subquery
--init-connect=name Command(s) that are executed for each new connection
(unless the user has SUPER privilege)
--init-file=name Read SQL commands from this file at startup
@ -1269,6 +1273,7 @@ idle-readwrite-transaction-timeout 0
idle-transaction-timeout 0
ignore-builtin-innodb FALSE
ignore-db-dirs
in-subquery-conversion-threshold 10000
init-connect
init-file (No default value)
init-rpl-role MASTER

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

@ -4649,7 +4649,7 @@ EXECUTE IMMEDIATE MAX('SELECT 1 AS c');
ERROR HY000: Invalid use of group function
EXECUTE IMMEDIATE DEFAULT(a);
ERROR 42S22: Unknown column 'a' in 'field list'
EXECUTE IMMEDIATE VALUES(a);
EXECUTE IMMEDIATE VALUE(a);
ERROR 42S22: Unknown column 'a' in 'field list'
CREATE FUNCTION f1() RETURNS VARCHAR(64) RETURN 't1';
EXECUTE IMMEDIATE f1();

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

@ -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
Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #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)
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,<expr_cache><`dbt3_s001`.`customer`.`c_custkey`>(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
from (
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
Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #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)
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,<expr_cache><`dbt3_s001`.`customer`.`c_custkey`>(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
from (
select substr(c_phone, 1, 2) as cntrycode, c_acctbal

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

@ -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
Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #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)
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,<expr_cache><`dbt3_s001`.`customer`.`c_custkey`>(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
from (
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
Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #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)
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,<expr_cache><`dbt3_s001`.`customer`.`c_custkey`>(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
from (
select substr(c_phone, 1, 2) as cntrycode, c_acctbal

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

@ -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
Warnings:
Note 1276 Field or reference 'test.a2.id' of SELECT #3 was resolved in SELECT #2
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`)
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` = <expr_cache><`a2`.`id`>((/* select#3 */ select max(`test`.`t2`.`fromdate`) from `test`.`t2` where `test`.`t2`.`id` = `a2`.`id`))
This should use one table:
explain select id from v2 where id=2;
id select_type table type possible_keys key key_len ref rows 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
Warnings:
Note 1276 Field or reference 'test.f.id' of SELECT #3 was resolved in SELECT #2
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`)
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` = <expr_cache><`f`.`id`>((/* select#3 */ select max(`test`.`t2`.`fromdate`) from `test`.`t2` where `test`.`t2`.`id` = `f`.`id`))
drop view v1, v2;
drop table t0, t1, t2;
create table t1 (a int);

442
mysql-test/r/table_value_constr.result
View File

@ -729,6 +729,433 @@ select * from v1;
1 2
3 4
drop view v1;
# IN-subquery with VALUES structure(s) : simple case
select * from t1
where a in (values (1));
a b
1 2
1 1
select * from t1
where a in (select * from (values (1)) as tvc_0);
a b
1 2
1 1
explain extended select * from t1
where a in (values (1));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery3> ALL distinct_key NULL NULL NULL 2 100.00
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using join buffer (flat, BNL join)
3 MATERIALIZED <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join ((values (1)) `tvc_0`) where `test`.`t1`.`a` = `tvc_0`.`1`
explain extended select * from t1
where a in (select * from (values (1)) as tvc_0);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 2 100.00
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED <derived3> ALL NULL NULL NULL NULL 2 100.00
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join ((values (1)) `tvc_0`) where `test`.`t1`.`a` = `tvc_0`.`1`
# IN-subquery with VALUES structure(s) : UNION with VALUES on the first place
select * from t1
where a in (values (1) union select 2);
a b
1 2
1 1
2 5
select * from t1
where a in (select * from (values (1)) as tvc_0 union
select 2);
a b
1 2
1 1
2 5
explain extended select * from t1
where a in (values (1) union select 2);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
4 DEPENDENT SUBQUERY <derived2> ref key0 key0 4 func 2 100.00
2 DERIVED 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 <union4,3> 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` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union /* select#3 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2))))
explain extended select * from t1
where a in (select * from (values (1)) as tvc_0 union
select 2);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
2 DEPENDENT SUBQUERY <derived3> ref key0 key0 4 func 2 100.00
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
4 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,4> 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` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union /* select#4 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2))))
# IN-subquery with VALUES structure(s) : UNION with VALUES on the second place
select * from t1
where a in (select 2 union values (1));
a b
1 2
1 1
2 5
select * from t1
where a in (select 2 union
select * from (values (1)) tvc_0);
a b
1 2
1 1
2 5
explain extended select * from t1
where a in (select 2 union values (1));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
4 DEPENDENT UNION <derived3> ref key0 key0 4 func 2 100.00
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,4> 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` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2) union /* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
explain extended select * from t1
where a in (select 2 union
select * from (values (1)) tvc_0);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
3 DEPENDENT UNION <derived4> ref key0 key0 4 func 2 100.00
4 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> 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` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2) union /* select#3 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
# IN-subquery with VALUES structure(s) : UNION ALL
select * from t1
where a in (values (1) union all select b from t1);
a b
1 2
1 1
2 5
7 8
select * from t1
where a in (select * from (values (1)) as tvc_0 union all
select b from t1);
a b
1 2
1 1
2 5
7 8
explain extended select * from t1
where a in (values (1) union all select b from t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
4 DEPENDENT SUBQUERY <derived2> ref key0 key0 4 func 2 100.00
2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
3 DEPENDENT UNION t1 ALL NULL NULL NULL NULL 6 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union all /* select#3 */ select `test`.`t1`.`b` from `test`.`t1` where <cache>(`test`.`t1`.`a`) = `test`.`t1`.`b`)))
explain extended select * from t1
where a in (select * from (values (1)) as tvc_0 union all
select b from t1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
2 DEPENDENT SUBQUERY <derived3> ref key0 key0 4 func 2 100.00
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
4 DEPENDENT UNION t1 ALL NULL NULL NULL NULL 6 100.00 Using where
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union all /* select#4 */ select `test`.`t1`.`b` from `test`.`t1` where <cache>(`test`.`t1`.`a`) = `test`.`t1`.`b`)))
# NOT IN subquery with VALUES structure(s) : simple case
select * from t1
where a not in (values (1),(2));
a b
4 6
9 7
7 8
select * from t1
where a not in (select * from (values (1),(2)) as tvc_0);
a b
4 6
9 7
7 8
explain extended select * from t1
where a not in (values (1),(2));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
3 MATERIALIZED <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#3 */ select `tvc_0`.`1` from (values (1),(2)) `tvc_0` ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery3>`.`1`))))
explain extended select * from t1
where a not in (select * from (values (1),(2)) as tvc_0);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
2 MATERIALIZED <derived3> ALL NULL NULL NULL NULL 2 100.00
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (/* select#2 */ select `tvc_0`.`1` from (values (1),(2)) `tvc_0` ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where `test`.`t1`.`a` = `<subquery2>`.`1`))))
# NOT IN subquery with VALUES structure(s) : UNION with VALUES on the first place
select * from t1
where a not in (values (1) union select 2);
a b
4 6
9 7
7 8
select * from t1
where a not in (select * from (values (1)) as tvc_0 union
select 2);
a b
4 6
9 7
7 8
explain extended select * from t1
where a not in (values (1) union select 2);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
4 DEPENDENT SUBQUERY <derived2> ALL NULL NULL NULL NULL 2 100.00 Using where
2 DERIVED 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 <union4,3> 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` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) = `tvc_0`.`1`) union /* select#3 */ select 2 having trigcond(<cache>(`test`.`t1`.`a`) = <ref_null_helper>(2)))))
explain extended select * from t1
where a not in (select * from (values (1)) as tvc_0 union
select 2);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 2 100.00 Using where
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
4 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,4> 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` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) = `tvc_0`.`1`) union /* select#4 */ select 2 having trigcond(<cache>(`test`.`t1`.`a`) = <ref_null_helper>(2)))))
# NOT IN subquery with VALUES structure(s) : UNION with VALUES on the second place
select * from t1
where a not in (select 2 union values (1));
a b
4 6
9 7
7 8
select * from t1
where a not in (select 2 union
select * from (values (1)) as tvc_0);
a b
4 6
9 7
7 8
explain extended select * from t1
where a not in (select 2 union values (1));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
4 DEPENDENT UNION <derived3> ALL NULL NULL NULL NULL 2 100.00 Using where
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,4> 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` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having trigcond(<cache>(`test`.`t1`.`a`) = <ref_null_helper>(2)) union /* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) = `tvc_0`.`1`))))
explain extended select * from t1
where a not in (select 2 union
select * from (values (1)) as tvc_0);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
3 DEPENDENT UNION <derived4> ALL NULL NULL NULL NULL 2 100.00 Using where
4 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> 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` where !<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having trigcond(<cache>(`test`.`t1`.`a`) = <ref_null_helper>(2)) union /* select#3 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) = `tvc_0`.`1`))))
# ANY-subquery with VALUES structure(s) : simple case
select * from t1
where a = any (values (1),(2));
a b
1 2
1 1
2 5
select * from t1
where a = any (select * from (values (1),(2)) as tvc_0);
a b
1 2
1 1
2 5
explain extended select * from t1
where a = any (values (1),(2));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery3> ALL distinct_key NULL NULL NULL 2 100.00
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using join buffer (flat, BNL join)
3 MATERIALIZED <derived2> ALL NULL NULL NULL NULL 2 100.00
2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join ((values (1),(2)) `tvc_0`) where `test`.`t1`.`a` = `tvc_0`.`1`
explain extended select * from t1
where a = any (select * from (values (1),(2)) as tvc_0);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 2 100.00
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED <derived3> ALL NULL NULL NULL NULL 2 100.00
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join ((values (1),(2)) `tvc_0`) where `test`.`t1`.`a` = `tvc_0`.`1`
# ANY-subquery with VALUES structure(s) : UNION with VALUES on the first place
select * from t1
where a = any (values (1) union select 2);
a b
1 2
1 1
2 5
select * from t1
where a = any (select * from (values (1)) as tvc_0 union
select 2);
a b
1 2
1 1
2 5
explain extended select * from t1
where a = any (values (1) union select 2);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
4 DEPENDENT SUBQUERY <derived2> ref key0 key0 4 func 2 100.00
2 DERIVED 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 <union4,3> 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` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union /* select#3 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2))))
explain extended select * from t1
where a = any (select * from (values (1)) as tvc_0 union
select 2);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
2 DEPENDENT SUBQUERY <derived3> ref key0 key0 4 func 2 100.00
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
4 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,4> 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` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1` union /* select#4 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2))))
# ANY-subquery with VALUES structure(s) : UNION with VALUES on the second place
select * from t1
where a = any (select 2 union values (1));
a b
1 2
1 1
2 5
select * from t1
where a = any (select 2 union
select * from (values (1)) as tvc_0);
a b
1 2
1 1
2 5
explain extended select * from t1
where a = any (select 2 union values (1));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
4 DEPENDENT UNION <derived3> ref key0 key0 4 func 2 100.00
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,4> 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` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2) union /* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
explain extended select * from t1
where a = any (select 2 union
select * from (values (1)) as tvc_0);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
3 DEPENDENT UNION <derived4> ref key0 key0 4 func 2 100.00
4 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> 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` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 2 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(2) union /* select#3 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
# ALL-subquery with VALUES structure(s) : simple case
select * from t1
where a = all (values (1));
a b
1 2
1 1
select * from t1
where a = all (select * from (values (1)) as tvc_0);
a b
1 2
1 1
explain extended select * from t1
where a = all (values (1));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
3 DEPENDENT SUBQUERY <derived2> ALL NULL NULL NULL NULL 2 100.00 Using where
2 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <not>(<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#3 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) <> `tvc_0`.`1`)))))
explain extended select * from t1
where a = all (select * from (values (1)) as tvc_0);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 2 100.00 Using where
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 /* select#1 */ select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` where <not>(<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) <> `tvc_0`.`1`)))))
# ALL-subquery with VALUES structure(s) : UNION with VALUES on the first place
select * from t1
where a = all (values (1) union select 1);
a b
1 2
1 1
select * from t1
where a = all (select * from (values (1)) as tvc_0 union
select 1);
a b
1 2
1 1
explain extended select * from t1
where a = all (values (1) union select 1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
4 DEPENDENT SUBQUERY <derived2> ALL NULL NULL NULL NULL 2 100.00 Using where
2 DERIVED 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 <union4,3> 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` where <not>(<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) <> `tvc_0`.`1`) union /* select#3 */ select 1 having trigcond(<cache>(`test`.`t1`.`a`) <> <ref_null_helper>(1))))))
explain extended select * from t1
where a = all (select * from (values (1)) as tvc_0 union
select 1);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
2 DEPENDENT SUBQUERY <derived3> ALL NULL NULL NULL NULL 2 100.00 Using where
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
4 DEPENDENT UNION NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,4> 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` where <not>(<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where trigcond(<cache>(`test`.`t1`.`a`) <> `tvc_0`.`1`) union /* select#4 */ select 1 having trigcond(<cache>(`test`.`t1`.`a`) <> <ref_null_helper>(1))))))
# ALL-subquery with VALUES structure(s) : UNION with VALUES on the second place
select * from t1
where a = any (select 1 union values (1));
a b
1 2
1 1
select * from t1
where a = any (select 1 union
select * from (values (1)) as tvc_0);
a b
1 2
1 1
explain extended select * from t1
where a = any (select 1 union values (1));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
4 DEPENDENT UNION <derived3> ref key0 key0 4 func 2 100.00
3 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,4> 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` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 1 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(1) union /* select#4 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
explain extended select * from t1
where a = any (select 1 union
select * from (values (1)) as tvc_0);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 6 100.00 Using where
2 DEPENDENT SUBQUERY NULL NULL NULL NULL NULL NULL NULL NULL No tables used
3 DEPENDENT UNION <derived4> ref key0 key0 4 func 2 100.00
4 DERIVED NULL NULL NULL NULL NULL NULL NULL NULL No tables used
NULL UNION RESULT <union2,3> 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` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(/* select#2 */ select 1 having <cache>(`test`.`t1`.`a`) = <ref_null_helper>(1) union /* select#3 */ select `tvc_0`.`1` from (values (1)) `tvc_0` where <cache>(`test`.`t1`.`a`) = `tvc_0`.`1`)))
# prepare statement that uses VALUES structure(s): single VALUES structure
prepare stmt1 from "
values (1,2);
@ -1633,19 +2060,14 @@ ANALYZE
# different number of values in TVC
values (1,2),(3,4,5);
ERROR HY000: The used table value constructor has a different number of values
# subquery that uses VALUES structure(s)
select * from t1
where a in (values (1));
ERROR HY000: Table value constructor can't be used as specification of subquery isn't implemented yet
select * from t1
where a in (select 2 union values (1));
ERROR HY000: Table value constructor can't be used as specification of subquery isn't implemented yet
select * from t1
where a in (values (1) union select 2);
ERROR HY000: Table value constructor can't be used as specification of subquery isn't implemented yet
# illegal parameter data types in TVC
values (1,point(1,1)),(1,1);
ERROR HY000: Illegal parameter data types geometry and int for operation 'TABLE VALUE CONSTRUCTOR'
values (1,point(1,1)+1);
ERROR HY000: Illegal parameter data types geometry and int for operation '+'
# field reference in TVC
select * from (values (1), (b), (2)) as new_tvc;
ERROR HY000: Field reference 'b' can't be used in table value constructor
select * from (values (1), (t1.b), (2)) as new_tvc;
ERROR HY000: Field reference 't1.b' can't be used in table value constructor
drop table t1;

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

@ -1789,7 +1789,7 @@ set session collation_database=2048;
ERROR HY000: Unknown collation: '2048'
set session rand_seed1=DEFAULT;
ERROR 42000: Variable 'rand_seed1' doesn't have a default value
set autocommit = values(v);
set autocommit = value(v);
ERROR 42S22: Unknown column 'v' in 'field list'
set session sql_mode=ansi_quotes;
select * from information_schema.session_variables where variable_name='sql_mode';

4
mysql-test/t/default.test
View File

@ -180,7 +180,7 @@ CREATE TABLE t1 (a INT DEFAULT 10);
INSERT INTO t1 VALUES (11);
CREATE VIEW v1 AS SELECT a AS a FROM t1;
CREATE VIEW v2 AS SELECT DEFAULT(a) AS a FROM t1;
CREATE VIEW v3 AS SELECT VALUES(a) AS a FROM t1;
CREATE VIEW v3 AS SELECT VALUE(a) AS a FROM t1;
SELECT * FROM v1;
SELECT * FROM v2;
SELECT * FROM v3;
@ -447,7 +447,7 @@ CALL p1;
DROP PROCEDURE p1;
--error ER_GENERATED_COLUMN_FUNCTION_IS_NOT_ALLOWED
CREATE TABLE t1 (a INT DEFAULT VALUES(a));
CREATE TABLE t1 (a INT DEFAULT VALUE(a));
CREATE TABLE t1 (a INT);

10
mysql-test/t/errors.test
View File

@ -178,16 +178,16 @@ SELECT UPDATEXML(-73 * -2465717823867977728,@@global.auto_increment_increment,nu
CREATE TABLE t1 (a INT);
CREATE TABLE t2(a INT PRIMARY KEY, b INT);
--error ER_BAD_FIELD_ERROR
SELECT '' AS b FROM t1 GROUP BY VALUES(b);
SELECT '' AS b FROM t1 GROUP BY VALUE(b);
--error ER_BAD_FIELD_ERROR
REPLACE t2(b) SELECT '' AS b FROM t1 GROUP BY VALUES(b);
REPLACE t2(b) SELECT '' AS b FROM t1 GROUP BY VALUE(b);
--error ER_BAD_FIELD_ERROR
UPDATE t2 SET a=(SELECT '' AS b FROM t1 GROUP BY VALUES(b));
UPDATE t2 SET a=(SELECT '' AS b FROM t1 GROUP BY VALUE(b));
--error ER_BAD_FIELD_ERROR
INSERT INTO t2 VALUES (1,0) ON DUPLICATE KEY UPDATE
b=(SELECT '' AS b FROM t1 GROUP BY VALUES(b));
b=(SELECT '' AS b FROM t1 GROUP BY VALUE(b));
INSERT INTO t2(a,b) VALUES (1,0) ON DUPLICATE KEY UPDATE
b=(SELECT VALUES(a)+2 FROM t1);
b=(SELECT VALUE(a)+2 FROM t1);
DROP TABLE t1, t2;
--echo #

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

@ -168,7 +168,7 @@ set storage_engine=innodb;
create table y select 1 b;
select 1 from y group by b;
select 1 from y group by values(b);
select 1 from y group by value(b);
drop table y;
SET storage_engine=@old_engine;

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

@ -316,7 +316,7 @@ CREATE TABLE t1 (a INT, b INT) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1,10);
CREATE VIEW v1 AS SELECT * FROM t1;
EXPLAIN EXTENDED SELECT VALUES(b) FROM v1;
EXPLAIN EXTENDED SELECT VALUE(b) FROM v1;
drop view v1;
drop table t1;

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

@ -3,5 +3,5 @@
#
create table t1 (a int);
insert into t1 values (1),(2);
select max('foo') from t1 group by values(a), extractvalue('bar','qux') order by "v";
select max('foo') from t1 group by value(a), extractvalue('bar','qux') order by "v";
drop table t1;

8
mysql-test/t/insert_update.test
View File

@ -22,9 +22,9 @@ SELECT * FROM t1;
INSERT t1 SET a=5 ON DUPLICATE KEY UPDATE b=0;
SELECT * FROM t1;
INSERT t1 VALUES (2,1,11), (7,4,40) ON DUPLICATE KEY UPDATE c=c+VALUES(a);
SELECT *, VALUES(a) FROM t1;
explain extended SELECT *, VALUES(a) FROM t1;
explain extended select * from t1 where values(a);
SELECT *, VALUE(a) FROM t1;
explain extended SELECT *, VALUE(a) FROM t1;
explain extended select * from t1 where value(a);
DROP TABLE t1;
#
@ -79,7 +79,7 @@ SELECT * FROM t1;
--error ER_NON_UNIQ_ERROR
INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=c+VALUES(a);
INSERT t1 SELECT a,b,c FROM t2 WHERE d=2 ON DUPLICATE KEY UPDATE c=t1.c+VALUES(t1.a);
SELECT *, VALUES(a) FROM t1;
SELECT *, VALUE(a) FROM t1;
DROP TABLE t1;
DROP TABLE t2;

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

@ -283,4 +283,4 @@ eval explain extended $query;
set @@in_subquery_conversion_threshold= 2;
drop table t1, t2, t3;
set @@in_subquery_conversion_threshold= default;
set @@in_subquery_conversion_threshold= default;

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

@ -4154,7 +4154,7 @@ EXECUTE IMMEDIATE MAX('SELECT 1 AS c');
EXECUTE IMMEDIATE DEFAULT(a);
--error ER_BAD_FIELD_ERROR
EXECUTE IMMEDIATE VALUES(a);
EXECUTE IMMEDIATE VALUE(a);
CREATE FUNCTION f1() RETURNS VARCHAR(64) RETURN 't1';

192
mysql-test/t/table_value_constr.test
View File

@ -554,6 +554,181 @@ create view v1 as
eval $select_view;
eval $drop_view;
--echo # IN-subquery with VALUES structure(s) : simple case
let $query=
select * from t1
where a in (values (1));
let $subst_query=
select * from t1
where a in (select * from (values (1)) as tvc_0);
eval $query;
eval $subst_query;
eval explain extended $query;
eval explain extended $subst_query;
--echo # IN-subquery with VALUES structure(s) : UNION with VALUES on the first place
let $query=
select * from t1
where a in (values (1) union select 2);
let $subst_query=
select * from t1
where a in (select * from (values (1)) as tvc_0 union
select 2);
eval $query;
eval $subst_query;
eval explain extended $query;
eval explain extended $subst_query;
--echo # IN-subquery with VALUES structure(s) : UNION with VALUES on the second place
let $query=
select * from t1
where a in (select 2 union values (1));
let $subst_query=
select * from t1
where a in (select 2 union
select * from (values (1)) tvc_0);
eval $query;
eval $subst_query;
eval explain extended $query;
eval explain extended $subst_query;
--echo # IN-subquery with VALUES structure(s) : UNION ALL
let $query=
select * from t1
where a in (values (1) union all select b from t1);
let $subst_query=
select * from t1
where a in (select * from (values (1)) as tvc_0 union all
select b from t1);
eval $query;
eval $subst_query;
eval explain extended $query;
eval explain extended $subst_query;
--echo # NOT IN subquery with VALUES structure(s) : simple case
let $query=
select * from t1
where a not in (values (1),(2));
let $subst_query=
select * from t1
where a not in (select * from (values (1),(2)) as tvc_0);
eval $query;
eval $subst_query;
eval explain extended $query;
eval explain extended $subst_query;
--echo # NOT IN subquery with VALUES structure(s) : UNION with VALUES on the first place
let $query=
select * from t1
where a not in (values (1) union select 2);
let $subst_query=
select * from t1
where a not in (select * from (values (1)) as tvc_0 union
select 2);
eval $query;
eval $subst_query;
eval explain extended $query;
eval explain extended $subst_query;
--echo # NOT IN subquery with VALUES structure(s) : UNION with VALUES on the second place
let $query=
select * from t1
where a not in (select 2 union values (1));
let $subst_query=
select * from t1
where a not in (select 2 union
select * from (values (1)) as tvc_0);
eval $query;
eval $subst_query;
eval explain extended $query;
eval explain extended $subst_query;
--echo # ANY-subquery with VALUES structure(s) : simple case
let $query=
select * from t1
where a = any (values (1),(2));
let $subst_query=
select * from t1
where a = any (select * from (values (1),(2)) as tvc_0);
eval $query;
eval $subst_query;
eval explain extended $query;
eval explain extended $subst_query;
--echo # ANY-subquery with VALUES structure(s) : UNION with VALUES on the first place
let $query=
select * from t1
where a = any (values (1) union select 2);
let $subst_query=
select * from t1
where a = any (select * from (values (1)) as tvc_0 union
select 2);
eval $query;
eval $subst_query;
eval explain extended $query;
eval explain extended $subst_query;
--echo # ANY-subquery with VALUES structure(s) : UNION with VALUES on the second place
let $query=
select * from t1
where a = any (select 2 union values (1));
let $subst_query=
select * from t1
where a = any (select 2 union
select * from (values (1)) as tvc_0);
eval $query;
eval $subst_query;
eval explain extended $query;
eval explain extended $subst_query;
--echo # ALL-subquery with VALUES structure(s) : simple case
let $query=
select * from t1
where a = all (values (1));
let $subst_query=
select * from t1
where a = all (select * from (values (1)) as tvc_0);
eval $query;
eval $subst_query;
eval explain extended $query;
eval explain extended $subst_query;
--echo # ALL-subquery with VALUES structure(s) : UNION with VALUES on the first place
let $query=
select * from t1
where a = all (values (1) union select 1);
let $subst_query=
select * from t1
where a = all (select * from (values (1)) as tvc_0 union
select 1);
eval $query;
eval $subst_query;
eval explain extended $query;
eval explain extended $subst_query;
--echo # ALL-subquery with VALUES structure(s) : UNION with VALUES on the second place
let $query=
select * from t1
where a = any (select 1 union values (1));
let $subst_query=
select * from t1
where a = any (select 1 union
select * from (values (1)) as tvc_0);
eval $query;
eval $subst_query;
eval explain extended $query;
eval explain extended $subst_query;
--echo # prepare statement that uses VALUES structure(s): single VALUES structure
prepare stmt1 from "
@ -856,21 +1031,16 @@ values (1,2);
--error ER_WRONG_NUMBER_OF_VALUES_IN_TVC
values (1,2),(3,4,5);
--echo # subquery that uses VALUES structure(s)
--error ER_TVC_IN_SUBQUERY
select * from t1
where a in (values (1));
--error ER_TVC_IN_SUBQUERY
select * from t1
where a in (select 2 union values (1));
--error ER_TVC_IN_SUBQUERY
select * from t1
where a in (values (1) union select 2);
--echo # illegal parameter data types in TVC
--error ER_ILLEGAL_PARAMETER_DATA_TYPES2_FOR_OPERATION
values (1,point(1,1)),(1,1);
--error ER_ILLEGAL_PARAMETER_DATA_TYPES2_FOR_OPERATION
values (1,point(1,1)+1);
--echo # field reference in TVC
--error ER_FIELD_REFERENCE_IN_TVC
select * from (values (1), (b), (2)) as new_tvc;
--error ER_FIELD_REFERENCE_IN_TVC
select * from (values (1), (t1.b), (2)) as new_tvc;
drop table t1;

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

@ -1521,7 +1521,7 @@ set session rand_seed1=DEFAULT;
# Bug #14211565 CRASH WHEN ATTEMPTING TO SET SYSTEM VARIABLE TO RESULT OF VALUES()
#
--error ER_BAD_FIELD_ERROR
set autocommit = values(v);
set autocommit = value(v);
#
# MDEV-6673 I_S.SESSION_VARIABLES shows global values

2
sql/gen_lex_token.cc
View File

@ -132,6 +132,8 @@ void compute_tokens()
set_token(WITH_CUBE_SYM, "WITH CUBE");
set_token(WITH_ROLLUP_SYM, "WITH ROLLUP");
set_token(VALUES_IN_SYM, "VALUES IN");
set_token(VALUES_LESS_SYM, "VALUES LESS");
set_token(NOT2_SYM, "!");
set_token(OR2_SYM, "|");
set_token(PARAM_MARKER, "?");

9
sql/item.cc
View File

@ -5683,6 +5683,13 @@ bool Item_field::fix_fields(THD *thd, Item **reference)
DBUG_ASSERT(fixed == 0);
Field *from_field= (Field *)not_found_field;
bool outer_fixed= false;
if (thd->lex->current_select->in_tvc)
{
my_error(ER_FIELD_REFERENCE_IN_TVC, MYF(0),
full_name(), thd->where);
return(1);
}
if (!field) // If field is not checked
{
@ -9010,7 +9017,7 @@ bool Item_insert_value::fix_fields(THD *thd, Item **items)
void Item_insert_value::print(String *str, enum_query_type query_type)
{
str->append(STRING_WITH_LEN("values("));
str->append(STRING_WITH_LEN("value("));
arg->print(str, query_type);
str->append(')');
}

6
sql/item_subselect.cc
View File

@ -119,7 +119,7 @@ void Item_subselect::init(st_select_lex *select_lex,
parsing_place= (outer_select->in_sum_expr ?
NO_MATTER :
outer_select->parsing_place);
if (unit->is_unit_op())
if (unit->is_unit_op() && unit->first_select()->next_select())
engine= new subselect_union_engine(unit, result, this);
else
engine= new subselect_single_select_engine(select_lex, result, this);
@ -269,9 +269,7 @@ bool Item_subselect::fix_fields(THD *thd_param, Item **ref)
{
if (sl->tvc)
{
my_error(ER_TVC_IN_SUBQUERY, MYF(0));
res= 1;
goto end;
wrap_tvc_in_derived_table(thd, sl);
}
}

2
sql/item_subselect.h
View File

@ -266,6 +266,7 @@ public:
Item* build_clone(THD *thd, MEM_ROOT *mem_root) { return 0; }
Item* get_copy(THD *thd, MEM_ROOT *mem_root) { return 0; }
bool wrap_tvc_in_derived_table(THD *thd, st_select_lex *tvc_sl);
friend class select_result_interceptor;
friend class Item_in_optimizer;
@ -874,6 +875,7 @@ public:
virtual enum_engine_type engine_type() { return SINGLE_SELECT_ENGINE; }
int get_identifier();
void force_reexecution();
void change_select(st_select_lex *new_select) { select_lex= new_select; }
friend class subselect_hash_sj_engine;
friend class Item_in_subselect;

4
sql/share/errmsg-utf8.txt
View File

@ -7492,5 +7492,5 @@ ER_SP_STACK_TRACE
eng "At line %u in %s"
ER_WRONG_NUMBER_OF_VALUES_IN_TVC
eng "The used table value constructor has a different number of values"
ER_TVC_IN_SUBQUERY
eng "Table value constructor can't be used as specification of subquery isn't implemented yet"
ER_FIELD_REFERENCE_IN_TVC
eng "Field reference '%-.192s' can't be used in table value constructor"

28
sql/sql_lex.cc
View File

@ -1306,7 +1306,7 @@ int MYSQLlex(YYSTYPE *yylval, THD *thd)
{
Lex_input_stream *lip= & thd->m_parser_state->m_lip;
int token;
if (lip->lookahead_token >= 0)
{
/*
@ -1349,6 +1349,25 @@ int MYSQLlex(YYSTYPE *yylval, THD *thd)
return WITH;
}
break;
case VALUES:
if (thd->lex->current_select->parsing_place == IN_UPDATE_ON_DUP_KEY
// || thd->lex->current_select->parsing_place == IN_PARTITIONING
)
return VALUE_SYM;
token= lex_one_token(yylval, thd);
lip->add_digest_token(token, yylval);
switch(token) {
case LESS_SYM:
return VALUES_LESS_SYM;
case IN_SYM:
return VALUES_IN_SYM;
default:
lip->lookahead_yylval= lip->yylval;
lip->yylval= NULL;
lip->lookahead_token= token;
return VALUES;
}
break;
default:
break;
}
@ -2225,6 +2244,7 @@ void st_select_lex::init_query()
window_specs.empty();
window_funcs.empty();
tvc= 0;
in_tvc= false;
}
void st_select_lex::init_select()
@ -2266,6 +2286,7 @@ void st_select_lex::init_select()
tvc= 0;
in_funcs.empty();
curr_tvc_name= 0;
in_tvc= false;
}
/*
@ -2810,10 +2831,7 @@ void st_select_lex_unit::print(String *str, enum_query_type query_type)
}
if (sl->braces)
str->append('(');
if (sl->tvc)
sl->tvc->print(thd, str, query_type);
else
sl->print(thd, str, query_type);
sl->print(thd, str, query_type);
if (sl->braces)
str->append(')');
}

1
sql/sql_lex.h
View File

@ -1012,6 +1012,7 @@ public:
thr_lock_type lock_type;
table_value_constr *tvc;
bool in_tvc;
void init_query();
void init_select();

2
sql/sql_priv.h
View File

@ -349,6 +349,8 @@ enum enum_parsing_place
IN_ON,
IN_GROUP_BY,
IN_ORDER_BY,
IN_UPDATE_ON_DUP_KEY,
IN_PARTITIONING,
PARSING_PLACE_SIZE /* always should be the last */
};

6
sql/sql_select.cc
View File

@ -25182,6 +25182,12 @@ void TABLE_LIST::print(THD *thd, table_map eliminated_tables, String *str,
void st_select_lex::print(THD *thd, String *str, enum_query_type query_type)
{
DBUG_ASSERT(thd);
if (tvc)
{
tvc->print(thd, str, query_type);
return;
}
if ((query_type & QT_SHOW_SELECT_NUMBER) &&
thd->lex->all_selects_list &&

97
sql/sql_tvc.cc
View File

@ -195,6 +195,7 @@ bool table_value_constr::prepare(THD *thd, SELECT_LEX *sl,
st_select_lex_unit *unit_arg)
{
DBUG_ENTER("table_value_constr::prepare");
select_lex->in_tvc= true;
List_iterator_fast<List_item> li(lists_of_values);
List_item *first_elem= li++;
@ -237,6 +238,7 @@ bool table_value_constr::prepare(THD *thd, SELECT_LEX *sl,
if (result && result->prepare(sl->item_list, unit_arg))
DBUG_RETURN(true);
select_lex->in_tvc= false;
DBUG_RETURN(false);
}
@ -496,6 +498,94 @@ static bool create_tvc_name(THD *thd, st_select_lex *parent_select,
}
bool Item_subselect::wrap_tvc_in_derived_table(THD *thd,
st_select_lex *tvc_sl)
{
LEX *lex= thd->lex;
/* SELECT_LEX object where the transformation is performed */
SELECT_LEX *parent_select= lex->current_select;
uint8 save_derived_tables= lex->derived_tables;
Query_arena backup;
Query_arena *arena= thd->activate_stmt_arena_if_needed(&backup);
/*
Create SELECT_LEX of the subquery SQ used in the result of transformation
*/
lex->current_select= tvc_sl;
if (mysql_new_select(lex, 0, NULL))
goto err;
mysql_init_select(lex);
/* Create item list as '*' for the subquery SQ */
Item *item;
SELECT_LEX *sq_select; // select for IN subquery;
sq_select= lex->current_select;
sq_select->linkage= tvc_sl->linkage;
sq_select->parsing_place= SELECT_LIST;
item= new (thd->mem_root) Item_field(thd, &sq_select->context,
NULL, NULL, &star_clex_str);
if (item == NULL || add_item_to_list(thd, item))
goto err;
(sq_select->with_wild)++;
/* Exclude SELECT with TVC */
tvc_sl->exclude();
/*
Create derived table DT that will wrap TVC in the result of transformation
*/
SELECT_LEX *tvc_select; // select for tvc
SELECT_LEX_UNIT *derived_unit; // unit for tvc_select
if (mysql_new_select(lex, 1, tvc_sl))
goto err;
tvc_select= lex->current_select;
derived_unit= tvc_select->master_unit();
tvc_select->linkage= DERIVED_TABLE_TYPE;
lex->current_select= sq_select;
/*
Create the name of the wrapping derived table and
add it to the FROM list of the subquery SQ
*/
Table_ident *ti;
LEX_CSTRING alias;
TABLE_LIST *derived_tab;
if (!(ti= new (thd->mem_root) Table_ident(derived_unit)) ||
create_tvc_name(thd, parent_select, &alias))
goto err;
if (!(derived_tab=
sq_select->add_table_to_list(thd,
ti, &alias, 0,
TL_READ, MDL_SHARED_READ)))
goto err;
sq_select->add_joined_table(derived_tab);
sq_select->add_where_field(derived_unit->first_select());
sq_select->context.table_list= sq_select->table_list.first;
sq_select->context.first_name_resolution_table= sq_select->table_list.first;
sq_select->table_list.first->derived_type= DTYPE_TABLE | DTYPE_MATERIALIZE;
lex->derived_tables|= DERIVED_SUBQUERY;
sq_select->where= 0;
sq_select->set_braces(false);
derived_unit->set_with_clause(0);
if (engine->engine_type() == subselect_engine::SINGLE_SELECT_ENGINE)
((subselect_single_select_engine *) engine)->change_select(sq_select);
if (arena)
thd->restore_active_arena(arena, &backup);
lex->current_select= sq_select;
return false;
err:
if (arena)
thd->restore_active_arena(arena, &backup);
lex->derived_tables= save_derived_tables;
lex->current_select= parent_select;
return true;
}
/**
@brief
Transform IN predicate into IN subquery
@ -532,6 +622,7 @@ Item *Item_func_in::in_predicate_to_in_subs_transformer(THD *thd,
if (!transform_into_subq)
return this;
transform_into_subq= false;
List<List_item> values;
@ -540,6 +631,12 @@ Item *Item_func_in::in_predicate_to_in_subs_transformer(THD *thd,
/* SELECT_LEX object where the transformation is performed */
SELECT_LEX *parent_select= lex->current_select;
uint8 save_derived_tables= lex->derived_tables;
for (uint i=1; i < arg_count; i++)
{
if (!args[i]->const_item())
return this;
}
Query_arena backup;
Query_arena *arena= thd->activate_stmt_arena_if_needed(&backup);

26
sql/sql_yacc.yy
View File

@ -1553,6 +1553,8 @@ bool my_yyoverflow(short **a, YYSTYPE **b, ulong *yystacksize);
%token UTC_TIMESTAMP_SYM
%token UTC_TIME_SYM
%token VALUES /* SQL-2003-R */
%token VALUES_IN_SYM
%token VALUES_LESS_SYM
%token VALUE_SYM /* SQL-2003-R */
%token VARBINARY
%token VARCHAR /* SQL-2003-R */
@ -4938,8 +4940,15 @@ part_type_def:
{ Lex->part_info->part_type= RANGE_PARTITION; }
| RANGE_SYM part_column_list
{ Lex->part_info->part_type= RANGE_PARTITION; }
| LIST_SYM part_func
{ Lex->part_info->part_type= LIST_PARTITION; }
| LIST_SYM
{
Select->parsing_place= IN_PART_FUNC;
}
part_func
{
Lex->part_info->part_type= LIST_PARTITION;
Select->parsing_place= NO_MATTER;
}
| LIST_SYM part_column_list
{ Lex->part_info->part_type= LIST_PARTITION; }
;
@ -5189,7 +5198,7 @@ opt_part_values:
else
part_info->part_type= HASH_PARTITION;
}
| VALUES LESS_SYM THAN_SYM
| VALUES_LESS_SYM THAN_SYM
{
LEX *lex= Lex;
partition_info *part_info= lex->part_info;
@ -5203,7 +5212,7 @@ opt_part_values:
part_info->part_type= RANGE_PARTITION;
}
part_func_max {}
| VALUES IN_SYM
| VALUES_IN_SYM
{
LEX *lex= Lex;
partition_info *part_info= lex->part_info;
@ -12675,7 +12684,14 @@ expr_or_default:
opt_insert_update:
/* empty */
| ON DUPLICATE_SYM { Lex->duplicates= DUP_UPDATE; }
KEY_SYM UPDATE_SYM insert_update_list
KEY_SYM UPDATE_SYM
{
Select->parsing_place= IN_UPDATE_ON_DUP_KEY;
}
insert_update_list
{
Select->parsing_place= NO_MATTER;
}
;
/* Update rows in a table */

2
sql/sys_vars.cc
View File

@ -5555,6 +5555,6 @@ static Sys_var_ulong Sys_in_subquery_conversion_threshold(
"The minimum number of scalar elements in the value list of"
"IN predicate that triggers its conversion to IN subquery",
SESSION_VAR(in_subquery_conversion_threshold), CMD_LINE(OPT_ARG),
VALID_RANGE(0, ULONG_MAX), DEFAULT(1000), BLOCK_SIZE(1));
VALID_RANGE(0, ULONG_MAX), DEFAULT(10000), BLOCK_SIZE(1));
#endif //EMBEDDED_LIBRARY