diff options
Diffstat (limited to 'mysql-test/t/having.test')
-rw-r--r-- | mysql-test/t/having.test | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/mysql-test/t/having.test b/mysql-test/t/having.test index af9af4fe1fc..185ca4bdddb 100644 --- a/mysql-test/t/having.test +++ b/mysql-test/t/having.test @@ -442,4 +442,30 @@ INSERT INTO t1 VALUES (1, 1), (2,2), (3, NULL); SELECT b, COUNT(DISTINCT a) FROM t1 GROUP BY b HAVING b is NULL; DROP TABLE t1; + +--echo # +--echo # Bug#50995 Having clause on subquery result produces incorrect results. +--echo # + +CREATE TABLE t1 +( + id1 INT, + id2 INT NOT NULL, + INDEX id1(id2) +); + +INSERT INTO t1 SET id1=1, id2=1; +INSERT INTO t1 SET id1=2, id2=1; +INSERT INTO t1 SET id1=3, id2=1; + +SELECT t1.id1, +(SELECT 0 FROM DUAL + WHERE t1.id1=t1.id1) AS amount FROM t1 +WHERE t1.id2 = 1 +HAVING amount > 0 +ORDER BY t1.id1; + +DROP TABLE t1; + + --echo End of 5.0 tests |