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MDEV-5719: Wrong result with GROUP BY and LEFT OUTER JOIN

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Merged revision 5224 from mysql-5.6 and added a test case.
..
revno: 5224
committer: Sergey Glukhov <sergey.glukhov@oracle.com>
branch nick: mysql-5.6
timestamp: Wed 2013-06-19 14:24:08 +0400
message:
    Bug#16620047 INCORRECT QUERY RESULT (AFTER SERVER UPGRADE)
This commit is contained in:
Sergey Petrunya
2015-01-25 16:16:25 +01:00
parent d1c4ff2b2c
commit fb71449b10
3 changed files with 57 additions and 8 deletions
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23
mysql-test/r/group_by_innodb.result
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@@ -57,3 +57,26 @@ i GROUP_CONCAT( d1, d2 ORDER BY d1, d2 )
NULL 11.1,22.2
DROP TABLE t1;
End of 5.5 tests
#
# MDEV-5719: Wrong result with GROUP BY and LEFT OUTER JOIN
#
CREATE TABLE t1 (oidGroup INT, oid INT PRIMARY KEY)ENGINE=INNODB;
INSERT INTO t1 VALUES (1,1),(1,2),(1,3),(1,4);
CREATE TABLE t2 (oid INT PRIMARY KEY)ENGINE=INNODB;
INSERT INTO t2 VALUES (3);
SELECT a.oidGroup, a.oid, b.oid FROM t1 a LEFT JOIN t2 b ON
a.oid=b.oid WHERE a.oidGroup=1;
oidGroup oid oid
1 1 NULL
1 2 NULL
1 3 3
1 4 NULL
SELECT a.oidGroup, a.oid, b.oid FROM t1 a LEFT JOIN t2 b ON
a.oid=b.oid WHERE a.oidGroup=1 GROUP BY a.oid;
oidGroup oid oid
1 1 NULL
1 2 NULL
1 3 3
1 4 NULL
DROP TABLE t1, t2;
# End of tests