diff options
Diffstat (limited to 'mysql-test/t/group_by.test')
| -rw-r--r-- | mysql-test/t/group_by.test | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/mysql-test/t/group_by.test b/mysql-test/t/group_by.test index 5d59acf9320..35bd447e9ea 100644 --- a/mysql-test/t/group_by.test +++ b/mysql-test/t/group_by.test @@ -1650,6 +1650,20 @@ SET sql_mode='ONLY_FULL_GROUP_BY'; SELECT 1 AS test UNION SELECT 2 AS test ORDER BY test IS NULL ASC; SET sql_mode=''; +--echo # +--echo # MDEV-6484: Assertion `tab->ref.use_count' failed on query with joins, constant table, multi-part key +--echo # +CREATE TABLE t1 (i1 INT, c1 VARCHAR(1)) ENGINE=MyISAM; +INSERT INTO t1 VALUES (6,'b'); + +CREATE TABLE t2 (pk2 INT, i2 INT, c2 VARCHAR(1), PRIMARY KEY(pk2), KEY(pk2,i2)) ENGINE=MyISAM; +INSERT INTO t2 VALUES (1,2,'s'),(2,4,'r'),(3,8,'m'),(4,4,'b'),(5,4,'x'),(6,7,'g'),(7,4,'p'); + +SELECT i2 FROM t1 AS t1a STRAIGHT_JOIN ( t2 INNER JOIN t1 AS t1b ON (t1b.c1 = c2) ) ON (t1b.i1 = pk2 ) +WHERE t1a.c1 = c2 GROUP BY i2; + +DROP TABLE t1,t2; + # # End of MariaDB 5.5 tests # |