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Merge.

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This commit is contained in:
Igor Babaev
2010-10-30 06:07:45 -07:00
parent d48a8b6034 05092b7323
commit 0b72fd88a1
108 changed files with 7091 additions and 3170 deletions
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19
mysql-test/t/join.test
View File

@@ -921,4 +921,23 @@ EXECUTE stmt;
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
--echo #
--echo # BUG#47217 Lost optimization caused slowdown & wrong result.
--echo #
CREATE TABLE t1 (pk INT, v VARCHAR(2), PRIMARY KEY(pk));
CREATE INDEX ix1 ON t1(v);
CREATE TABLE t2 (pk INT, v VARCHAR(2), PRIMARY KEY(pk));
CREATE INDEX ix2 ON t2(v);
INSERT INTO t1 VALUES (1,'a'),(2,NULL);
INSERT INTO t2 VALUES (1,NULL);
EXPLAIN SELECT * FROM t1 JOIN t2 ON t1.v = t2.v ORDER BY 1;
EXPLAIN SELECT * FROM t1 JOIN t2 ON t1.v = t2.v;
INSERT INTO t1 VALUES (3,'b'),(4,NULL),(5,'c'),(6,'cc'),(7,'d'),
(8,'dd'),(9,'e'),(10,'ee');
INSERT INTO t2 VALUES (2,NULL);
FLUSH STATUS;
SELECT * FROM t1 JOIN t2 ON t1.v = t2.v WHERE t2.v IS NULL ORDER BY 1;
SHOW STATUS LIKE 'Handler_read_%';
DROP TABLE t1, t2;
--echo End of 5.1 tests

548
mysql-test/t/join_cache.test
View File

@@ -3,6 +3,10 @@ DROP TABLE IF EXISTS t1,t2,t3,t4,t5,t6,t7,t8,t9,t10,t11;
DROP DATABASE IF EXISTS world;
--enable_warnings
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='semijoin_with_cache=on';
set @@optimizer_switch='outer_join_with_cache=on';
set names utf8;
CREATE DATABASE world;
@@ -160,7 +164,7 @@ use world;
--enable_query_log
show variables like 'join_buffer_size';
set join_cache_level=5;
set join_cache_level=3;
show variables like 'join_cache_level';
EXPLAIN
@@ -187,14 +191,106 @@ SELECT City.Name, Country.Name, CountryLanguage.Language
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
--echo # !!!NB igor: after backporting the SJ code the following should return
--echo # EXPLAIN
--echo # SELECT Name FROM City
--echo # WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
--echo # City.Population > 100000;
--echo # id select_type table type possible_keys key key_len ref rows Extra
--echo # 1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR
--echo # 1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer
EXPLAIN
SELECT Name FROM City
WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
City.Population > 100000;
SELECT Name FROM City
WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
City.Population > 100000;
EXPLAIN
SELECT Country.Name, IF(ISNULL(CountryLanguage.Country), NULL, CountryLanguage.Percentage)
FROM Country LEFT JOIN CountryLanguage ON
(CountryLanguage.Country=Country.Code AND Language='English')
WHERE
Country.Population > 10000000;
SELECT Country.Name, IF(ISNULL(CountryLanguage.Country), NULL, CountryLanguage.Percentage)
FROM Country LEFT JOIN CountryLanguage ON
(CountryLanguage.Country=Country.Code AND Language='English')
WHERE
Country.Population > 10000000;
show variables like 'join_buffer_size';
set join_cache_level=4;
show variables like 'join_cache_level';
EXPLAIN
SELECT City.Name, Country.Name FROM City,Country
WHERE City.Country=Country.Code AND
Country.Name LIKE 'L%' AND City.Population > 100000;
SELECT City.Name, Country.Name FROM City,Country
WHERE City.Country=Country.Code AND
Country.Name LIKE 'L%' AND City.Population > 100000;
EXPLAIN
SELECT City.Name, Country.Name, CountryLanguage.Language
FROM City,Country,CountryLanguage
WHERE City.Country=Country.Code AND
CountryLanguage.Country=Country.Code AND
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
SELECT City.Name, Country.Name, CountryLanguage.Language
FROM City,Country,CountryLanguage
WHERE City.Country=Country.Code AND
CountryLanguage.Country=Country.Code AND
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
EXPLAIN
SELECT Name FROM City
WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
City.Population > 100000;
SELECT Name FROM City
WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
City.Population > 100000;
EXPLAIN
SELECT Country.Name, IF(ISNULL(CountryLanguage.Country), NULL, CountryLanguage.Percentage)
FROM Country LEFT JOIN CountryLanguage ON
(CountryLanguage.Country=Country.Code AND Language='English')
WHERE
Country.Population > 10000000;
SELECT Country.Name, IF(ISNULL(CountryLanguage.Country), NULL, CountryLanguage.Percentage)
FROM Country LEFT JOIN CountryLanguage ON
(CountryLanguage.Country=Country.Code AND Language='English')
WHERE
Country.Population > 10000000;
show variables like 'join_buffer_size';
set join_cache_level=5;
show variables like 'join_cache_level';
EXPLAIN
SELECT City.Name, Country.Name FROM City,Country
WHERE City.Country=Country.Code AND
Country.Name LIKE 'L%' AND City.Population > 100000;
SELECT City.Name, Country.Name FROM City,Country
WHERE City.Country=Country.Code AND
Country.Name LIKE 'L%' AND City.Population > 100000;
EXPLAIN
SELECT City.Name, Country.Name, CountryLanguage.Language
FROM City,Country,CountryLanguage
WHERE City.Country=Country.Code AND
CountryLanguage.Country=Country.Code AND
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
SELECT City.Name, Country.Name, CountryLanguage.Language
FROM City,Country,CountryLanguage
WHERE City.Country=Country.Code AND
CountryLanguage.Country=Country.Code AND
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
EXPLAIN
SELECT Name FROM City
@@ -245,15 +341,6 @@ SELECT City.Name, Country.Name, CountryLanguage.Language
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
--echo # !!!NB igor: after backporting the SJ code the following should return
--echo # EXPLAIN
--echo # SELECT Name FROM City
--echo # WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
--echo # City.Population > 100000;
--echo # id select_type table type possible_keys key key_len ref rows Extra
--echo # 1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR
--echo # 1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer
EXPLAIN
SELECT Name FROM City
WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
@@ -303,15 +390,6 @@ SELECT City.Name, Country.Name, CountryLanguage.Language
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
--echo # !!!NB igor: after backporting the SJ code the following should return
--echo # EXPLAIN
--echo # SELECT Name FROM City
--echo # WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
--echo # City.Population > 100000;
--echo # id select_type table type possible_keys key key_len ref rows Extra
--echo # 1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR
--echo # 1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer
EXPLAIN
SELECT Name FROM City
WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
@@ -361,15 +439,6 @@ SELECT City.Name, Country.Name, CountryLanguage.Language
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
--echo # !!!NB igor: after backporting the SJ code the following should return
--echo # EXPLAIN
--echo # SELECT Name FROM City
--echo # WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
--echo # City.Population > 100000;
--echo # id select_type table type possible_keys key key_len ref rows Extra
--echo # 1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR
--echo # 1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer
EXPLAIN
SELECT Name FROM City
WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
@@ -395,7 +464,7 @@ SELECT Country.Name, IF(ISNULL(CountryLanguage.Country), NULL, CountryLanguage.P
set join_buffer_size=256;
show variables like 'join_buffer_size';
set join_cache_level=5;
set join_cache_level=3;
show variables like 'join_cache_level';
EXPLAIN
@@ -422,14 +491,77 @@ SELECT City.Name, Country.Name, CountryLanguage.Language
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
--echo # !!!NB igor: after backporting the SJ code the following should return
--echo # EXPLAIN
--echo # SELECT Name FROM City
--echo # WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
--echo # City.Population > 100000;
--echo # id select_type table type possible_keys key key_len ref rows Extra
--echo # 1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR
--echo # 1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer
EXPLAIN
SELECT Name FROM City
WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
City.Population > 100000;
SELECT Name FROM City
WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
City.Population > 100000;
set join_cache_level=4;
show variables like 'join_cache_level';
EXPLAIN
SELECT City.Name, Country.Name FROM City,Country
WHERE City.Country=Country.Code AND
Country.Name LIKE 'L%' AND City.Population > 100000;
SELECT City.Name, Country.Name FROM City,Country
WHERE City.Country=Country.Code AND
Country.Name LIKE 'L%' AND City.Population > 100000;
EXPLAIN
SELECT City.Name, Country.Name, CountryLanguage.Language
FROM City,Country,CountryLanguage
WHERE City.Country=Country.Code AND
CountryLanguage.Country=Country.Code AND
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
SELECT City.Name, Country.Name, CountryLanguage.Language
FROM City,Country,CountryLanguage
WHERE City.Country=Country.Code AND
CountryLanguage.Country=Country.Code AND
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
EXPLAIN
SELECT Name FROM City
WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
City.Population > 100000;
SELECT Name FROM City
WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
City.Population > 100000;
set join_cache_level=5;
show variables like 'join_cache_level';
EXPLAIN
SELECT City.Name, Country.Name FROM City,Country
WHERE City.Country=Country.Code AND
Country.Name LIKE 'L%' AND City.Population > 100000;
SELECT City.Name, Country.Name FROM City,Country
WHERE City.Country=Country.Code AND
Country.Name LIKE 'L%' AND City.Population > 100000;
EXPLAIN
SELECT City.Name, Country.Name, CountryLanguage.Language
FROM City,Country,CountryLanguage
WHERE City.Country=Country.Code AND
CountryLanguage.Country=Country.Code AND
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
SELECT City.Name, Country.Name, CountryLanguage.Language
FROM City,Country,CountryLanguage
WHERE City.Country=Country.Code AND
CountryLanguage.Country=Country.Code AND
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
EXPLAIN
SELECT Name FROM City
@@ -467,15 +599,6 @@ SELECT City.Name, Country.Name, CountryLanguage.Language
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
--echo # !!!NB igor: after backporting the SJ code the following should return
--echo # EXPLAIN
--echo # SELECT Name FROM City
--echo # WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
--echo # City.Population > 100000;
--echo # id select_type table type possible_keys key key_len ref rows Extra
--echo # 1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR
--echo # 1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer
EXPLAIN
SELECT Name FROM City
WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
@@ -512,15 +635,6 @@ SELECT City.Name, Country.Name, CountryLanguage.Language
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
--echo # !!!NB igor: after backporting the SJ code the following should return
--echo # EXPLAIN
--echo # SELECT Name FROM City
--echo # WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
--echo # City.Population > 100000;
--echo # id select_type table type possible_keys key key_len ref rows Extra
--echo # 1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR
--echo # 1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer
EXPLAIN
SELECT Name FROM City
WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
@@ -557,15 +671,6 @@ SELECT City.Name, Country.Name, CountryLanguage.Language
City.Name LIKE 'L%' AND Country.Population > 3000000 AND
CountryLanguage.Percentage > 50;
--echo # !!!NB igor: after backporting the SJ code the following should return
--echo # EXPLAIN
--echo # SELECT Name FROM City
--echo # WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
--echo # City.Population > 100000;
--echo # id select_type table type possible_keys key key_len ref rows Extra
--echo # 1 PRIMARY Country range PRIMARY,Name Name 52 NULL 10 Using index condition; Using MRR
--echo # 1 PRIMARY City ref Population,Country Country 3 world.Country.Code 18 Using where; Using join buffer
EXPLAIN
SELECT Name FROM City
WHERE City.Country IN (SELECT Code FROM Country WHERE Country.Name LIKE 'L%') AND
@@ -587,13 +692,14 @@ SELECT City.Name, Country.Name FROM City,Country
WHERE City.Country=Country.Code AND City.Population > 3000000;
set join_cache_level=8;
set join_buffer_size=256;
set join_buffer_size=384;
--replace_column 9 #
EXPLAIN
SELECT City.Name, Country.Name FROM City,Country
WHERE City.Country=Country.Code AND City.Population > 3000000;
--sorted_result
SELECT City.Name, Country.Name FROM City,Country
WHERE City.Country=Country.Code AND City.Population > 3000000;
@@ -997,7 +1103,7 @@ select * from t1 left join t2 on (1=0);
explain select * from t1 left join t2 on (1=0) where a=40;
select * from t1 left join t2 on (1=0) where a=40;
set join_cache_level=1;
set join_cache_level=0;
explain select * from t1 left join t2 on (1=0);
set join_cache_level=default;
@@ -1131,6 +1237,8 @@ INSERT INTO t3(a,b) VALUES
(5,30), (5,40), (5,50), (5,60), (5,70), (5,80),
(7,30), (7,40), (7,50), (7,60), (7,70), (7,80);
set join_cache_level=0;
SELECT t1.a, t2.a, t3.a, t2.b, t3.b, t3.val
FROM (t1,t2) LEFT JOIN t3 ON (t1.a=t3.a AND t2.b=t3.b)
WHERE t1.a=t2.a;
@@ -1148,7 +1256,7 @@ SELECT t1.a, t2.a, t3.a, t2.b, t3.b, t3.val
WHERE t1.a=t2.a;
DROP INDEX idx ON t3;
set join_cache_level=4;
set join_cache_level=2;
EXPLAIN
SELECT t1.a, t2.a, t3.a, t2.b, t3.b, t3.val
@@ -1847,3 +1955,293 @@ select t1.* from t1,t2,t3;
set join_cache_level=default;
drop table t1,t2,t3;
--echo #
--echo # Bug #52394: using join buffer for 3 table join with ref access
--echo # LP #623209: and no references to the columns of the middle table
--echo #
set join_cache_level=6;
CREATE TABLE t1 (a int(11), b varchar(1));
INSERT INTO t1 VALUES (6,'r'),(27,'o');
CREATE TABLE t2(a int);
INSERT INTO t2 VALUES(1),(2),(3),(4),(5);
CREATE TABLE t3 (a int(11) primary key, b varchar(1));
INSERT INTO t3 VALUES
(14,'d'),(15,'z'),(16,'e'),(17,'h'),(18,'b'),(19,'s'),(20,'e'),
(21,'j'),(22,'e'),(23,'f'),(24,'v'),(25,'x'),(26,'m'),(27,'o');
EXPLAIN
SELECT t3.a FROM t1,t2,t3 WHERE t1.a = t3.a AND t1.b = t3.b;
SELECT t3.a FROM t1,t2,t3 WHERE t1.a = t3.a AND t1.b = t3.b;
DROP TABLE t1,t2,t3;
set join_cache_level=default;
--echo #
--echo # Bug #51084: Batched key access crashes for SELECT with
--echo # derived table and LEFT JOIN
--echo #
CREATE TABLE t1 (
carrier int,
id int PRIMARY KEY
);
INSERT INTO t1 VALUES (1,11),(1,12),(2,13);
CREATE TABLE t2 (
scan_date int,
package_id int
);
INSERT INTO t2 VALUES (2008,21),(2008,22);
CREATE TABLE t3 (
carrier int PRIMARY KEY,
id int
);
INSERT INTO t3 VALUES (1,31);
CREATE TABLE t4 (
carrier_id int,
INDEX carrier_id(carrier_id)
);
INSERT INTO t4 VALUES (31),(32);
SET join_cache_level=8;
SELECT COUNT(*)
FROM (t2 JOIN t1) LEFT JOIN (t3 JOIN t4 ON t3.id = t4.carrier_id)
ON t3.carrier = t1.carrier;
EXPLAIN
SELECT COUNT(*)
FROM (t2 JOIN t1) LEFT JOIN (t3 JOIN t4 ON t3.id = t4.carrier_id)
ON t3.carrier = t1.carrier;
SET join_cache_level=default;
DROP TABLE t1,t2,t3,t4;
--echo #
--echo # Bug #52636: allowing JOINs on NULL values w/ join_cache_level = 5-8
--echo #
CREATE TABLE t1 (b int);
INSERT INTO t1 VALUES (NULL),(3);
CREATE TABLE t2 (a int, b int, KEY (b));
INSERT INTO t2 VALUES (100,NULL),(150,200);
set join_cache_level = 5;
explain SELECT t2.a FROM t1 LEFT JOIN t2 ON t2.b = t1.b;
--sorted_result
SELECT t2.a FROM t1 LEFT JOIN t2 ON t2.b = t1.b;
set join_cache_level = 8;
explain SELECT t2.a FROM t1 LEFT JOIN t2 ON t2.b = t1.b;
--sorted_result
SELECT t2.a FROM t1 LEFT JOIN t2 ON t2.b = t1.b;
# test crash when no key is worth collecting by BKA for t2's ref
delete from t1;
INSERT INTO t1 VALUES (NULL),(NULL);
set join_cache_level = 5;
explain SELECT t2.a FROM t1 LEFT JOIN t2 ON t2.b = t1.b;
--sorted_result
SELECT t2.a FROM t1 LEFT JOIN t2 ON t2.b = t1.b;
DROP TABLE t1,t2;
# test varchar keys
CREATE TABLE t1 (b varchar(100));
INSERT INTO t1 VALUES (NULL),("some varchar");
CREATE TABLE t2 (a int, b varchar(100), KEY (b));
INSERT INTO t2 VALUES (100,NULL),(150,"varchar"),(200,NULL),(250,"long long varchar");
set join_cache_level = 5;
explain SELECT t2.a FROM t1 LEFT JOIN t2 ON t2.b = t1.b;
--sorted_result
SELECT t2.a FROM t1 LEFT JOIN t2 ON t2.b = t1.b;
set join_cache_level = 8;
explain SELECT t2.a FROM t1 LEFT JOIN t2 ON t2.b = t1.b;
--sorted_result
SELECT t2.a FROM t1 LEFT JOIN t2 ON t2.b = t1.b;
set join_cache_level = default;
DROP TABLE t1,t2;
--echo #
--echo # Bug #54359: Extra rows with join_cache_level=7,8 and two joins
--echo # and multi-column index"
--echo #
CREATE TABLE t1 (
pk int NOT NULL,
a int DEFAULT NULL,
b varchar(16) DEFAULT NULL,
c varchar(16) DEFAULT NULL,
INDEX idx (b,a))
;
INSERT INTO t1 VALUES (4,9,'k','k');
INSERT INTO t1 VALUES (12,5,'k','k');
set join_cache_level = 8;
EXPLAIN
SELECT t.a FROM t1 t, t1 s FORCE INDEX(idx)
WHERE s.pk AND s.a >= t.pk AND s.b = t.c;
SELECT t.a FROM t1 t, t1 s FORCE INDEX(idx)
WHERE s.pk AND s.a >= t.pk AND s.b = t.c;
set join_cache_level = default;
DROP TABLE t1;
--echo #
--echo # Bug #54235: Extra rows with join_cache_level=6,8 and two LEFT JOINs
--echo #
CREATE TABLE t1 (a int);
CREATE TABLE t2 (a int);
CREATE TABLE t3 (a int);
CREATE TABLE t4 (a int);
INSERT INTO t1 VALUES (null), (2), (null), (1);
set join_cache_level = 6;
EXPLAIN
SELECT t1.a
FROM t1 LEFT JOIN (t2 LEFT JOIN t3 ON t2.a) ON 0
WHERE t1.a OR t3.a;
SELECT t1.a
FROM t1 LEFT JOIN (t2 LEFT JOIN t3 ON t2.a) ON 0
WHERE t1.a OR t3.a;
EXPLAIN
SELECT t1.a
FROM t1 LEFT JOIN (t2 LEFT JOIN (t3 LEFT JOIN t4 ON 1) ON t2.a) ON 0
WHERE t1.a OR t4.a;
SELECT t1.a
FROM t1 LEFT JOIN (t2 LEFT JOIN (t3 LEFT JOIN t4 ON 1) ON t2.a) ON 0
WHERE t1.a OR t4.a;
set join_cache_level = default;
DROP TABLE t1,t2,t3,t4;
--echo #
--echo # Bug #663840: Memory overwrite causing crash with hash join
--echo #
SET SESSION join_cache_level=3;
SET SESSION join_buffer_size=100;
CREATE TABLE t3 (
i int NOT NULL,
j int NOT NULL,
d date NOT NULL,
t time NOT NULL,
v varchar(1) NOT NULL,
u varchar(1) NOT NULL,
INDEX idx (v)
) COLLATE=latin1_bin;
INSERT INTO t3 VALUES
(3,8,'2008-12-04','00:00:00','v','v'), (3,8,'2009-03-28','00:00:00','f','f'),
(3,5,'1900-01-01','00:55:47','v','v'), (2,8,'2009-10-02','00:00:00','s','s'),
(1,8,'1900-01-01','20:51:59','a','a'), (0,6,'2008-06-04','09:47:27','p','p'),
(8,7,'2009-01-13','21:58:29','z','z'), (5,2,'1900-01-01','22:45:53','a','a'),
(9,5,'2008-01-28','14:06:48','h','h'), (5,7,'2004-09-18','22:17:16','h','h'),
(4,2,'2006-10-14','14:59:37','v','v'), (2,9,'1900-01-01','23:37:40','v','v'),
(33,142,'2000-11-28','14:14:01','b','b'), (5,3,'2008-04-04','02:54:19','y','y'),
(1,0,'2002-07-13','06:34:26','v','v'), (9,3,'2003-01-03','18:07:38','m','m'),
(1,5,'2006-04-02','13:55:23','z','z'), (3,9,'2006-10-19','20:32:28','n','n'),
(8,1,'2005-06-08','11:57:44','d','d'), (231,107,'2006-12-26','03:10:35','a','a');
CREATE TABLE t1 SELECT * FROM t3;
DELETE FROM t1 WHERE i > 8;
CREATE TABLE t2 SELECT * FROM t3;
DELETE FROM t2 WHERE j > 10;
EXPLAIN
SELECT t1.i, t1.d, t1.v, t2.i, t2.d, t2.t, t2.v FROM t1,t2,t3
WHERE t3.u <='a' AND t2.j < 5 AND t3.v = t2.u;
--sorted_result
SELECT t1.i, t1.d, t1.v, t2.i, t2.d, t2.t, t2.v FROM t1,t2,t3
WHERE t3.u <='a' AND t2.j < 5 AND t3.v = t2.u;
DROP TABLE t1,t2,t3;
SET SESSION join_cache_level=DEFAULT;
SET SESSION join_buffer_size=DEFAULT;
--echo #
--echo # Bug #664508: 'Simple' GROUP BY + ORDER BY
--echo # when join buffers are used
--echo #
CREATE TABLE t1 (
pk int NOT NULL, i int NOT NULL, v varchar(1) NOT NULL,
PRIMARY KEY (pk), INDEX idx1(i), INDEX idx2 (v,i)
);
INSERT INTO t1 VALUES
(10,8,'v'), (11,8,'f'), (12,5,'v'), (13,8,'s'), (14,8,'a'),
(15,6,'p'), (16,7,'z'), (17,2,'a'), (18,5,'h'), (19,7,'h'),
(25,3,'m'), (26,5,'z'), (27,9,'n'), (28,1,'d'), (29,107,'a');
CREATE TABLE t2 (
pk int NOT NULL, i int NOT NULL, v varchar(1) NOT NULL,
PRIMARY KEY (pk), INDEX idx1(i), INDEX idx2(v,i)
);
INSERT INTO t2 VALUES
(10,8,'v'), (11,8,'f'), (12,5,'v'), (13,8,'s'), (14,8,'a'),
(15,6,'p'), (16,7,'z'), (17,2,'a'), (18,5,'h'), (19,7,'h'),
(20,2,'v'), (21,9,'v'), (22,142,'b'), (23,3,'y'), (24,0,'v'),
(25,3,'m'), (26,5,'z'), (27,9,'n'), (28,1,'d'), (29,107,'a');
CREATE TABLE t3 (
pk int NOT NULL, i int(11) NOT NULL, v varchar(1) NOT NULL,
PRIMARY KEY (pk), INDEX idx1(i), INDEX idx2(v,i)
);
INSERT INTO t3 VALUES
(1,9,'x'), (2,5,'g'), (3,1,'o'), (4,0,'g'), (5,1,'v'),
(6,190,'m'), (7,6,'x'), (8,3,'c'), (9,4,'z'), (10,3,'i'),
(11,186,'x'), (12,1,'g'), (13,8,'q'), (14,226,'m'), (15,133,'p'),
(16,6,'e'), (17,3,'t'), (18,8,'j'), (19,5,'h'), (20,7,'w');
SET SESSION join_cache_level=1;
EXPLAIN
SELECT t2.v FROM t1, t2, t3 WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v
GROUP BY t2.v ORDER BY t1.pk,t2.v;
SELECT t2.v FROM t1, t2, t3 WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v
GROUP BY t2.v ORDER BY t1.pk,t2.v;
SET SESSION join_cache_level=6;
EXPLAIN
SELECT t2.v FROM t1, t2, t3 WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v
GROUP BY t2.v ORDER BY t1.pk,t2.v;
SELECT t2.v FROM t1, t2, t3 WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v
GROUP BY t2.v ORDER BY t1.pk,t2.v;
SET SESSION join_cache_level=4;
EXPLAIN
SELECT t2.v FROM t1, t2, t3 WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v
GROUP BY t2.v ORDER BY t1.pk,t2.v;
SELECT t2.v FROM t1, t2, t3 WHERE t3.v <> t2.v AND t3.pk = t2.i AND t1.v = t3.v
GROUP BY t2.v ORDER BY t1.pk,t2.v;
DROP TABLE t1,t2,t3;
SET SESSION join_cache_level=DEFAULT;
# this must be the last command in the file
set @@optimizer_switch=@save_optimizer_switch;

5
mysql-test/t/join_nested.test
View File

@@ -1196,9 +1196,6 @@ SELECT COUNT(*)
DROP TABLE t1,t2,t3,t4,t5;
# !!!Remove the following if brackets after having merged the code of MWL#128
if (`SELECT @@join_cache_level=1`)
{
#
# BUG#49322: Nested left joins + not-exist optimization
#
@@ -1238,7 +1235,7 @@ SELECT t1.pk, t1.a, t2.pk, t2.a,t3.pk, t3.a
WHERE t3.pk IS NULL;
DROP TABLE t1, t2, t3;
}
--echo End of 5.0 tests

6
mysql-test/t/join_nested_jcl6.test
View File

@@ -2,6 +2,10 @@
# Run join_nested.test with BKA enabled
#
set @save_optimizer_switch_jcl6=@@optimizer_switch;
set @@optimizer_switch='semijoin_with_cache=on';
set @@optimizer_switch='outer_join_with_cache=on';
set join_cache_level=6;
show variables like 'join_cache_level';
@@ -93,3 +97,5 @@ DROP TABLE t5,t6,t7,t8;
set join_cache_level=default;
show variables like 'join_cache_level';
set @@optimizer_switch=@save_optimizer_switch_jcl6;

44
mysql-test/t/join_outer.test
View File

@@ -1030,4 +1030,48 @@ select t2.pk,
drop table t1,t2,t3,t4;
--echo #
--echo # Bug#57024: Poor performance when conjunctive condition over the outer
--echo # table is used in the on condition of an outer join
--echo #
create table t1 (a int);
insert into t1 values (NULL), (NULL), (NULL), (NULL);
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 select * from t1;
insert into t1 values (4), (2), (1), (3);
create table t2 like t1;
insert into t2 select if(t1.a is null, 10, t1.a) from t1;
create table t3 (a int, b int, index idx(a));
insert into t3 values (1, 100), (3, 301), (4, 402), (1, 102), (1, 101);
analyze table t1,t2,t3;
flush status;
select sum(t3.b) from t1 left join t3 on t3.a=t1.a and t1.a is not null;
show status like "handler_read%";
flush status;
select sum(t3.b) from t2 left join t3 on t3.a=t2.a and t2.a <> 10;
show status like "handler_read%";
drop table t1,t2,t3;
--echo End of 5.1 tests

6
mysql-test/t/join_outer_jcl6.test
View File

@@ -2,6 +2,10 @@
# Run join_outer.test with BKA enabled
#
set @save_optimizer_switch_jcl6=@@optimizer_switch;
set @@optimizer_switch='semijoin_with_cache=on';
set @@optimizer_switch='outer_join_with_cache=on';
set join_cache_level=6;
show variables like 'join_cache_level';
@@ -9,3 +13,5 @@ show variables like 'join_cache_level';
set join_cache_level=default;
show variables like 'join_cache_level';
set @@optimizer_switch=@save_optimizer_switch_jcl6;

6
mysql-test/t/select_jcl6.test
View File

@@ -2,6 +2,10 @@
# Run select.test with BKA enabled
#
set @save_optimizer_switch_jcl6=@@optimizer_switch;
set @@optimizer_switch='semijoin_with_cache=on';
set @@optimizer_switch='outer_join_with_cache=on';
set join_cache_level=6;
show variables like 'join_cache_level';
@@ -9,3 +13,5 @@ show variables like 'join_cache_level';
set join_cache_level=default;
show variables like 'join_cache_level';
set @@optimizer_switch=@save_optimizer_switch_jcl6;

15
mysql-test/t/subselect3.test
View File

@@ -2,6 +2,8 @@
drop table if exists t0, t1, t2, t3, t4, t5, t11, t12, t21, t22;
--enable_warnings
set @save_optimizer_switch=@@optimizer_switch;
#
# 1. Subquery with GROUP/HAVING
#
@@ -888,7 +890,7 @@ set @@optimizer_switch='firstmatch=off';
explain
select (select max(Y.a) from t1 Y where a in (select a from t1 Z) and a < X.a) as subq from t1 X;
select (select max(Y.a) from t1 Y where a in (select a from t1 Z) and a < X.a) as subq from t1 X;
set @@optimizer_switch=default;
set @@optimizer_switch=@save_optimizer_switch;
drop table t1;
@@ -906,7 +908,7 @@ select * from t1 where 2 in (select a from t0);
set @@optimizer_switch='default,materialization=off';
explain select * from t1 where 2 in (select a from t0);
select * from t1 where 2 in (select a from t0);
set @@optimizer_switch=default;
set @@optimizer_switch=@save_optimizer_switch;
#
@@ -952,7 +954,7 @@ flush status;
select count(*) from t0 A, t0 B, t0 C, t0 D where D.a in (select a from t1 E);
show status like 'Created_tmp_disk_tables';
set @save_max_heap_table_size=@@max_heap_table_size;
set @@optimizer_switch=default;
set @@optimizer_switch=@save_optimizer_switch;
drop table t0, t1;
#
@@ -990,7 +992,7 @@ create table t1 (a decimal);
insert into t1 values (1),(2);
explain select * from t1 where a in (select a from t1);
drop table t1;
set @@optimizer_switch=default;
set @@optimizer_switch=@save_optimizer_switch;
#
# SJ-Materialization-scan for non-first table
@@ -1051,7 +1053,7 @@ set @save_optimizer_search_depth=@@optimizer_search_depth;
set @@optimizer_search_depth=63;
explain select * from t1 where (a,b) in (select a,b from t2);
set @@optimizer_search_depth=@save_optimizer_search_depth;
set @@optimizer_switch=default;
set @@optimizer_switch=@save_optimizer_switch;
drop table t0, t1, t2;
@@ -1181,3 +1183,6 @@ ALTER TABLE t2 CHANGE COLUMN f1 my_column INT;
CALL p1;
DROP PROCEDURE p1;
DROP TABLE t1, t2;
# The following command must be the last one the file
set @@optimizer_switch=@save_optimizer_switch;

6
mysql-test/t/subselect3_jcl6.test
View File

@@ -2,6 +2,10 @@
# Run subselect3.test with BKA enabled
#
set @save_optimizer_switch=@@optimizer_switch;
set @@optimizer_switch='semijoin_with_cache=on';
set @@optimizer_switch='outer_join_with_cache=on';
set join_cache_level=6;
show variables like 'join_cache_level';
@@ -9,3 +13,5 @@ show variables like 'join_cache_level';
set join_cache_level=default;
show variables like 'join_cache_level';
set @@optimizer_switch=@save_optimizer_switch;

14
mysql-test/t/subselect_sj.test
View File

@@ -5,6 +5,8 @@
drop table if exists t0, t1, t2, t3, t4, t10, t11, t12;
--enable_warnings
set @save_optimizer_switch=@@optimizer_switch;
#
# 1. Subqueries that are converted into semi-joins
#
@@ -224,7 +226,8 @@ INSERT INTO WORKS VALUES ('E4','P2',20);
INSERT INTO WORKS VALUES ('E4','P4',40);
INSERT INTO WORKS VALUES ('E4','P5',80);
set optimizer_switch='default,materialization=off';
set optimizer_switch=@save_optimizer_switch;
set optimizer_switch='materialization=off';
explain SELECT EMPNUM, EMPNAME
FROM STAFF
@@ -240,7 +243,7 @@ WHERE EMPNUM IN
WHERE PNUM IN
(SELECT PNUM FROM PROJ));
set optimizer_switch='default';
set optimizer_switch=@save_optimizer_switch;
drop table STAFF,WORKS,PROJ;
@@ -359,7 +362,7 @@ drop table t1, t2;
drop view v1;
drop procedure p1;
set SESSION optimizer_switch='default';
set SESSION optimizer_switch=@save_optimizer_switch;
--echo # End of bug#46744
@@ -526,7 +529,7 @@ DROP TABLE t1,t2;
DROP VIEW v1,v2;
DROP PROCEDURE p1;
set SESSION optimizer_switch='default';
set SESSION optimizer_switch=@save_optimizer_switch;
--echo # End of BUG#48834
@@ -935,3 +938,6 @@ DROP TABLE t2;
DROP TABLE t3;
--echo # End of Bug#48623
# The following command must be the last one the file
set @@optimizer_switch=@save_optimizer_switch;

7
mysql-test/t/subselect_sj2_jcl6.test
View File

@@ -2,6 +2,10 @@
# Run subselect_sj2.test with BKA enabled
#
set @save_optimizer_switch_jcl6=@@optimizer_switch;
set @@optimizer_switch='semijoin_with_cache=on';
set @@optimizer_switch='outer_join_with_cache=on';
set join_cache_level=6;
show variables like 'join_cache_level';
@@ -9,3 +13,6 @@ show variables like 'join_cache_level';
set join_cache_level=default;
show variables like 'join_cache_level';
set @@optimizer_switch=@save_optimizer_switch_jcl6;

6
mysql-test/t/subselect_sj_jcl6.test
View File

@@ -2,6 +2,10 @@
# Run subselect_sj.test with BKA enabled
#
set @save_optimizer_switch_jcl6=@@optimizer_switch;
set @@optimizer_switch='semijoin_with_cache=on';
set @@optimizer_switch='outer_join_with_cache=on';
set join_cache_level=6;
show variables like 'join_cache_level';
@@ -37,3 +41,5 @@ drop table t0, t1, t2;
set join_cache_level=default;
show variables like 'join_cache_level';
set @@optimizer_switch=@save_optimizer_switch_jcl6;

0
mysql-test/t/windows.test Executable file → Normal file
View File