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Merge.

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This commit is contained in:
Igor Babaev
2013-02-12 11:49:46 -08:00
parent 3f36dfe38c 48aee45957
commit 3a0b25bb07
5 changed files with 243 additions and 3 deletions
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102
mysql-test/r/subselect_sj2_mat.result
View File

@ -1127,3 +1127,105 @@ AND ( 6 ) IN
ERROR 42000: The SELECT would examine more than MAX_JOIN_SIZE rows; check your WHERE and use SET SQL_BIG_SELECTS=1 or SET MAX_JOIN_SIZE=# if the SELECT is okay
DROP TABLE t1, t2;
set max_join_size= @tmp_906385;
#
# mdev-3995: Wrong result for semijoin with materialization
#
set @save_optimizer_switch=@@optimizer_switch;
CREATE TABLE t1 (
cat_id int(10) unsigned NOT NULL,
PRIMARY KEY (cat_id)
) ENGINE=MyISAM;
INSERT INTO t1 VALUES
(709411),(709412),(709413),(709414),(709416),(709417),(709418),(709419),(709421),(709422),
(709424),(709425),(709427),(709428),(709429),(709431),(709432),(709433),(709434),(709435),
(709438),(709439),(709441),(709442),(709443),(709444),(709445),(709446),(709447),(709450),
(709451),(709454),(709455),(709456),(709457),(709459),(709460),(709461),(709462),(709463),
(709464),(709465),(709467),(709469),(709470),(709471),(709472),(709473),(709474),(709475),
(709476),(709477),(709478),(709479),(709480),(709481),(709483),(709484),(709485),(709487),
(709490),(709491),(709492),(709493),(709494),(709495),(709496),(709497),(709498),(709499),
(709500),(709501),(709502),(709503),(709504),(709505),(709506),(709507),(709509),(709510),
(709511),(709512),(709513),(709514),(709515),(709516),(709517),(709518),(709519),(709520),
(709521),(709522),(709523),(709524),(709525),(709526),(709527),(709528),(709529),(709530),
(709531),(709532),(709533),(709534),(709535),(709536),(709537),(709538),(709539),(709540),
(709541),(709542),(709543),(709544),(709545),(709546),(709548),(709549),(709551),(709552),
(709553),(709555),(709556),(709557),(709558),(709559),(709560),(709561),(709562),(709563),
(709564),(709565),(709566),(709567),(709568),(709569),(709570),(709571),(709572),(709573),
(709574),(709575),(709576),(709577),(709578),(709579),(709580),(709581),(709582),(709583),
(709584),(709585),(709586),(709587),(709588),(709590),(709591),(709592),(709593),(709594),
(709595),(709596),(709597),(709598),(709600),(709601),(709602),(709603),(709604),(709605),
(709606),(709608),(709609),(709610),(709611),(709612),(709613),(709614),(709615),(709616),
(709617),(709618),(709619),(709620),(709621),(709622),(709623),(709624),(709625),(709626),
(709627),(709628),(709629),(709630),(709631),(709632),(709633),(709634),(709635),(709637),
(709638),(709639),(709640),(709641),(709642),(709643),(709644),(709645),(709646),(709649),
(709650),(709651),(709652),(709653),(709654),(709655),(709656),(709657),(709658),(709659);
CREATE TABLE t2 (
cat_id int(10) NOT NULL,
KEY cat_id (cat_id)
) ENGINE=MyISAM;
INSERT INTO t2 VALUES
(708742),(708755),(708759),(708761),(708766),(708769),(708796),(708798),(708824),(708825),
(708838),(708844),(708861),(708882),(708887),(708889),(708890),(709586),(709626);
CREATE TABLE t3 (
sack_id int(10) unsigned NOT NULL,
kit_id tinyint(3) unsigned NOT NULL DEFAULT '0',
cat_id int(10) unsigned NOT NULL,
PRIMARY KEY (sack_id,kit_id,cat_id)
) ENGINE=MyISAM;
INSERT INTO t3 VALUES
(33479,6,708523),(33479,6,708632),(33479,6,709085),(33479,6,709586),(33479,6,709626);
CREATE TABLE t4 (
cat_id int(10) unsigned NOT NULL,
KEY cat_id (cat_id)
) ENGINE=MyISAM;
INSERT INTO t4 (cat_id) SELECT cat_id from t2;
set optimizer_switch='materialization=off';
EXPLAIN
SELECT count(*) FROM t1, t3
WHERE t1.cat_id = t3.cat_id AND
t3.cat_id IN (SELECT cat_id FROM t2) AND
t3.sack_id = 33479 AND t3.kit_id = 6;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ref PRIMARY PRIMARY 5 const,const 4 Using index
1 PRIMARY t2 ref cat_id cat_id 4 test.t3.cat_id 2 Using where; Using index; FirstMatch(t3)
1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 test.t2.cat_id 1 Using where; Using index
SELECT count(*) FROM t1, t3
WHERE t1.cat_id = t3.cat_id AND
t3.cat_id IN (SELECT cat_id FROM t2) AND
t3.sack_id = 33479 AND t3.kit_id = 6;
count(*)
2
set optimizer_switch='materialization=on';
EXPLAIN
SELECT count(*) FROM t1, t3
WHERE t1.cat_id = t3.cat_id AND
t3.cat_id IN (SELECT cat_id FROM t4) AND
t3.sack_id = 33479 AND t3.kit_id = 6;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ref PRIMARY PRIMARY 5 const,const 4 Using index
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1
1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 test.t3.cat_id 1 Using index
2 MATERIALIZED t4 index cat_id cat_id 4 NULL 19 Using index
SELECT count(*) FROM t1, t3
WHERE t1.cat_id = t3.cat_id AND
t3.cat_id IN (SELECT cat_id FROM t4) AND
t3.sack_id = 33479 AND t3.kit_id = 6;
count(*)
2
EXPLAIN
SELECT count(*) FROM t1, t3
WHERE t1.cat_id = t3.cat_id AND
t3.cat_id IN (SELECT cat_id FROM t2) AND
t3.sack_id = 33479 AND t3.kit_id = 6;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t3 ref PRIMARY PRIMARY 5 const,const 4 Using index
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 Using where
1 PRIMARY t1 eq_ref PRIMARY PRIMARY 4 test.t3.cat_id 1 Using index
2 MATERIALIZED t2 index cat_id cat_id 4 NULL 19 Using index
SELECT count(*) FROM t1, t3
WHERE t1.cat_id = t3.cat_id AND
t3.cat_id IN (SELECT cat_id FROM t2) AND
t3.sack_id = 33479 AND t3.kit_id = 6;
count(*)
2
DROP TABLE t1,t2,t3,t4;
set optimizer_switch=@save_optimizer_switch;

102
mysql-test/t/subselect_sj2_mat.test
View File

@ -37,3 +37,105 @@ DROP TABLE t1, t2;
set max_join_size= @tmp_906385;
--echo #
--echo # mdev-3995: Wrong result for semijoin with materialization
--echo #
set @save_optimizer_switch=@@optimizer_switch;
CREATE TABLE t1 (
cat_id int(10) unsigned NOT NULL,
PRIMARY KEY (cat_id)
) ENGINE=MyISAM;
INSERT INTO t1 VALUES
(709411),(709412),(709413),(709414),(709416),(709417),(709418),(709419),(709421),(709422),
(709424),(709425),(709427),(709428),(709429),(709431),(709432),(709433),(709434),(709435),
(709438),(709439),(709441),(709442),(709443),(709444),(709445),(709446),(709447),(709450),
(709451),(709454),(709455),(709456),(709457),(709459),(709460),(709461),(709462),(709463),
(709464),(709465),(709467),(709469),(709470),(709471),(709472),(709473),(709474),(709475),
(709476),(709477),(709478),(709479),(709480),(709481),(709483),(709484),(709485),(709487),
(709490),(709491),(709492),(709493),(709494),(709495),(709496),(709497),(709498),(709499),
(709500),(709501),(709502),(709503),(709504),(709505),(709506),(709507),(709509),(709510),
(709511),(709512),(709513),(709514),(709515),(709516),(709517),(709518),(709519),(709520),
(709521),(709522),(709523),(709524),(709525),(709526),(709527),(709528),(709529),(709530),
(709531),(709532),(709533),(709534),(709535),(709536),(709537),(709538),(709539),(709540),
(709541),(709542),(709543),(709544),(709545),(709546),(709548),(709549),(709551),(709552),
(709553),(709555),(709556),(709557),(709558),(709559),(709560),(709561),(709562),(709563),
(709564),(709565),(709566),(709567),(709568),(709569),(709570),(709571),(709572),(709573),
(709574),(709575),(709576),(709577),(709578),(709579),(709580),(709581),(709582),(709583),
(709584),(709585),(709586),(709587),(709588),(709590),(709591),(709592),(709593),(709594),
(709595),(709596),(709597),(709598),(709600),(709601),(709602),(709603),(709604),(709605),
(709606),(709608),(709609),(709610),(709611),(709612),(709613),(709614),(709615),(709616),
(709617),(709618),(709619),(709620),(709621),(709622),(709623),(709624),(709625),(709626),
(709627),(709628),(709629),(709630),(709631),(709632),(709633),(709634),(709635),(709637),
(709638),(709639),(709640),(709641),(709642),(709643),(709644),(709645),(709646),(709649),
(709650),(709651),(709652),(709653),(709654),(709655),(709656),(709657),(709658),(709659);
CREATE TABLE t2 (
cat_id int(10) NOT NULL,
KEY cat_id (cat_id)
) ENGINE=MyISAM;
INSERT INTO t2 VALUES
(708742),(708755),(708759),(708761),(708766),(708769),(708796),(708798),(708824),(708825),
(708838),(708844),(708861),(708882),(708887),(708889),(708890),(709586),(709626);
CREATE TABLE t3 (
sack_id int(10) unsigned NOT NULL,
kit_id tinyint(3) unsigned NOT NULL DEFAULT '0',
cat_id int(10) unsigned NOT NULL,
PRIMARY KEY (sack_id,kit_id,cat_id)
) ENGINE=MyISAM;
INSERT INTO t3 VALUES
(33479,6,708523),(33479,6,708632),(33479,6,709085),(33479,6,709586),(33479,6,709626);
CREATE TABLE t4 (
cat_id int(10) unsigned NOT NULL,
KEY cat_id (cat_id)
) ENGINE=MyISAM;
INSERT INTO t4 (cat_id) SELECT cat_id from t2;
set optimizer_switch='materialization=off';
EXPLAIN
SELECT count(*) FROM t1, t3
WHERE t1.cat_id = t3.cat_id AND
t3.cat_id IN (SELECT cat_id FROM t2) AND
t3.sack_id = 33479 AND t3.kit_id = 6;
SELECT count(*) FROM t1, t3
WHERE t1.cat_id = t3.cat_id AND
t3.cat_id IN (SELECT cat_id FROM t2) AND
t3.sack_id = 33479 AND t3.kit_id = 6;
set optimizer_switch='materialization=on';
EXPLAIN
SELECT count(*) FROM t1, t3
WHERE t1.cat_id = t3.cat_id AND
t3.cat_id IN (SELECT cat_id FROM t4) AND
t3.sack_id = 33479 AND t3.kit_id = 6;
SELECT count(*) FROM t1, t3
WHERE t1.cat_id = t3.cat_id AND
t3.cat_id IN (SELECT cat_id FROM t4) AND
t3.sack_id = 33479 AND t3.kit_id = 6;
EXPLAIN
SELECT count(*) FROM t1, t3
WHERE t1.cat_id = t3.cat_id AND
t3.cat_id IN (SELECT cat_id FROM t2) AND
t3.sack_id = 33479 AND t3.kit_id = 6;
SELECT count(*) FROM t1, t3
WHERE t1.cat_id = t3.cat_id AND
t3.cat_id IN (SELECT cat_id FROM t2) AND
t3.sack_id = 33479 AND t3.kit_id = 6;
DROP TABLE t1,t2,t3,t4;
set optimizer_switch=@save_optimizer_switch;