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Commit 5df875b0 authored by Sergey Petrunya's avatar Sergey Petrunya
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BUG#803303: Wrong result with semijoin=on, outer join in maria-5.3-subqueries-mwl90 

- Add testcase.
parent 775ac38d
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mysql-test/r/subselect_sj.result
View file @ 5df875b0
...@@ -1623,4 +1623,66 @@ f1 f2 f3 f3 ...@@ -1623,4 +1623,66 @@ f1 f2 f3 f3
4 0 0 0 4 0 0 0
drop view v4; drop view v4;
drop table t1, t2, t3, t4; drop table t1, t2, t3, t4;
#
# BUG#803303: Wrong result with semijoin=on, outer join in maria-5.3-subqueries-mwl90
#
# Testcase#1:
set @tmp803303= @@optimizer_switch;
set optimizer_switch = 'semijoin=on,materialization=off,firstmatch=off,loosescan=off';
CREATE TABLE t2 ( f1 int) ;
INSERT IGNORE INTO t2 VALUES (6),(8);
CREATE TABLE t1 ( f1 int, f2 int, f3 int) ;
INSERT IGNORE INTO t1 VALUES (8,0,0),(7,0,0),(9,0,0);
SELECT alias2.f1
FROM t2 AS alias1
LEFT JOIN ( t1 AS alias2 JOIN t1 AS alias3 ON alias3.f2 = alias2.f3 )
ON alias3.f2 = alias2.f2
WHERE alias2.f1 IN ( SELECT f1 FROM t2 AS alias4 ) ;
f1
8
8
8
8
8
8
drop table t1,t2;
set optimizer_switch= @tmp803303;
# Testcase #2:
CREATE TABLE t1 ( f10 int) ;
INSERT INTO t1 VALUES (0),(0);
CREATE TABLE t2 ( f10 int, f11 varchar(1)) ;
INSERT INTO t2 VALUES (0,'a'),(0,'b');
CREATE TABLE t3 ( f10 int) ;
INSERT INTO t3 VALUES (0),(0),(0),(0),(0);
CREATE TABLE t4 ( f10 varchar(1), f11 int) ;
INSERT INTO t4 VALUES ('a',0),('b',0);
SELECT * FROM t1
LEFT JOIN ( t2 JOIN t3 ON t3.f10 = t2.f10 ) ON t1.f10 = t2.f10
WHERE t2.f10 IN (
SELECT t4.f11
FROM t4
WHERE t4.f10 != t2.f11
);
f10 f10 f11 f10
0 0 b 0
0 0 b 0
0 0 a 0
0 0 a 0
0 0 b 0
0 0 b 0
0 0 a 0
0 0 a 0
0 0 b 0
0 0 b 0
0 0 a 0
0 0 a 0
0 0 b 0
0 0 b 0
0 0 a 0
0 0 a 0
0 0 b 0
0 0 b 0
0 0 a 0
0 0 a 0
drop table t1,t2,t3,t4;
set optimizer_switch=@subselect_sj_tmp; set optimizer_switch=@subselect_sj_tmp;
mysql-test/r/subselect_sj_jcl6.result
View file @ 5df875b0
...@@ -1634,6 +1634,68 @@ f1 f2 f3 f3 ...@@ -1634,6 +1634,68 @@ f1 f2 f3 f3
4 0 0 0 4 0 0 0
drop view v4; drop view v4;
drop table t1, t2, t3, t4; drop table t1, t2, t3, t4;
#
# BUG#803303: Wrong result with semijoin=on, outer join in maria-5.3-subqueries-mwl90
#
# Testcase#1:
set @tmp803303= @@optimizer_switch;
set optimizer_switch = 'semijoin=on,materialization=off,firstmatch=off,loosescan=off';
CREATE TABLE t2 ( f1 int) ;
INSERT IGNORE INTO t2 VALUES (6),(8);
CREATE TABLE t1 ( f1 int, f2 int, f3 int) ;
INSERT IGNORE INTO t1 VALUES (8,0,0),(7,0,0),(9,0,0);
SELECT alias2.f1
FROM t2 AS alias1
LEFT JOIN ( t1 AS alias2 JOIN t1 AS alias3 ON alias3.f2 = alias2.f3 )
ON alias3.f2 = alias2.f2
WHERE alias2.f1 IN ( SELECT f1 FROM t2 AS alias4 ) ;
f1
8
8
8
8
8
8
drop table t1,t2;
set optimizer_switch= @tmp803303;
# Testcase #2:
CREATE TABLE t1 ( f10 int) ;
INSERT INTO t1 VALUES (0),(0);
CREATE TABLE t2 ( f10 int, f11 varchar(1)) ;
INSERT INTO t2 VALUES (0,'a'),(0,'b');
CREATE TABLE t3 ( f10 int) ;
INSERT INTO t3 VALUES (0),(0),(0),(0),(0);
CREATE TABLE t4 ( f10 varchar(1), f11 int) ;
INSERT INTO t4 VALUES ('a',0),('b',0);
SELECT * FROM t1
LEFT JOIN ( t2 JOIN t3 ON t3.f10 = t2.f10 ) ON t1.f10 = t2.f10
WHERE t2.f10 IN (
SELECT t4.f11
FROM t4
WHERE t4.f10 != t2.f11
);
f10 f10 f11 f10
0 0 b 0
0 0 b 0
0 0 a 0
0 0 a 0
0 0 b 0
0 0 b 0
0 0 a 0
0 0 a 0
0 0 b 0
0 0 b 0
0 0 a 0
0 0 a 0
0 0 b 0
0 0 b 0
0 0 a 0
0 0 a 0
0 0 b 0
0 0 b 0
0 0 a 0
0 0 a 0
drop table t1,t2,t3,t4;
set optimizer_switch=@subselect_sj_tmp; set optimizer_switch=@subselect_sj_tmp;
# #
# BUG#49129: Wrong result with IN-subquery with join_cache_level=6 and firstmatch=off # BUG#49129: Wrong result with IN-subquery with join_cache_level=6 and firstmatch=off
......
mysql-test/t/subselect_sj.test
View file @ 5df875b0
...@@ -1487,5 +1487,47 @@ SELECT * FROM t1 NATURAL LEFT JOIN (t2, t3) WHERE t2.f3 IN (SELECT * FROM t4); ...@@ -1487,5 +1487,47 @@ SELECT * FROM t1 NATURAL LEFT JOIN (t2, t3) WHERE t2.f3 IN (SELECT * FROM t4);
drop view v4; drop view v4;
drop table t1, t2, t3, t4; drop table t1, t2, t3, t4;
--echo #
--echo # BUG#803303: Wrong result with semijoin=on, outer join in maria-5.3-subqueries-mwl90
--echo #
--echo # Testcase#1:
set @tmp803303= @@optimizer_switch;
set optimizer_switch = 'semijoin=on,materialization=off,firstmatch=off,loosescan=off';
CREATE TABLE t2 ( f1 int) ;
INSERT IGNORE INTO t2 VALUES (6),(8);
CREATE TABLE t1 ( f1 int, f2 int, f3 int) ;
INSERT IGNORE INTO t1 VALUES (8,0,0),(7,0,0),(9,0,0);
SELECT alias2.f1
FROM t2 AS alias1
LEFT JOIN ( t1 AS alias2 JOIN t1 AS alias3 ON alias3.f2 = alias2.f3 )
ON alias3.f2 = alias2.f2
WHERE alias2.f1 IN ( SELECT f1 FROM t2 AS alias4 ) ;
drop table t1,t2;
set optimizer_switch= @tmp803303;
--echo # Testcase #2:
CREATE TABLE t1 ( f10 int) ;
INSERT INTO t1 VALUES (0),(0);
CREATE TABLE t2 ( f10 int, f11 varchar(1)) ;
INSERT INTO t2 VALUES (0,'a'),(0,'b');
CREATE TABLE t3 ( f10 int) ;
INSERT INTO t3 VALUES (0),(0),(0),(0),(0);
CREATE TABLE t4 ( f10 varchar(1), f11 int) ;
INSERT INTO t4 VALUES ('a',0),('b',0);
SELECT * FROM t1
LEFT JOIN ( t2 JOIN t3 ON t3.f10 = t2.f10 ) ON t1.f10 = t2.f10
WHERE t2.f10 IN (
SELECT t4.f11
FROM t4
WHERE t4.f10 != t2.f11
);
drop table t1,t2,t3,t4;
# The following command must be the last one the file # The following command must be the last one the file
set optimizer_switch=@subselect_sj_tmp; set optimizer_switch=@subselect_sj_tmp;
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