database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-01 03:47:19 +03:00
Code Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

19
mysql-test/t/group_by_innodb.test
View File

@ -67,3 +67,22 @@ DROP TABLE t1;
--echo End of 5.5 tests
--echo #
--echo # MDEV-5719: Wrong result with GROUP BY and LEFT OUTER JOIN
--echo #
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);
# Returns a value
SELECT a.oidGroup, a.oid, b.oid FROM t1 a LEFT JOIN t2 b ON
a.oid=b.oid WHERE a.oidGroup=1;
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;
DROP TABLE t1, t2;
--echo # End of tests