From e3dd9a95e50ef2019435b01bd9e161d552673a28 Mon Sep 17 00:00:00 2001 From: Varun Gupta Date: Fri, 16 Mar 2018 18:57:21 +0530 Subject: MDEV-6736: Valgrind warnings 'Invalid read' in subselect_engine::calc_const_tables with SQ in WHERE and HAVING, ORDER BY, materialization+semijoin During cleanup a pointer to the materialised table that was freed was not set to NULL --- mysql-test/r/having.result | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'mysql-test/r') diff --git a/mysql-test/r/having.result b/mysql-test/r/having.result index 0b933427303..c509458d830 100644 --- a/mysql-test/r/having.result +++ b/mysql-test/r/having.result @@ -723,4 +723,18 @@ SELECT * FROM t1 JOIN t2 ON c1 = c2 HAVING c2 > 'a' ORDER BY c2 LIMIT 1; c1 c2 x x DROP TABLE t1,t2; +# +# MDEV-6736: Valgrind warnings 'Invalid read' in subselect_engine::calc_const_tables with SQ +# in WHERE and HAVING, ORDER BY, materialization+semijoin +# +CREATE TABLE t1 (a INT) ENGINE=MyISAM; +INSERT INTO t1 VALUES (3),(8); +CREATE TABLE t2 (b INT) ENGINE=MyISAM; +INSERT INTO t2 VALUES (2),(1); +SELECT a FROM t1 +WHERE 9 IN ( SELECT MIN( a ) FROM t1 ) +HAVING a <> ( SELECT COUNT(*) FROM t2 ) +ORDER BY a; +a +DROP TABLE t1,t2; End of 10.0 tests -- cgit v1.2.1