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Diffstat (limited to 'mysql-test/t/subselect4.test')
| -rw-r--r-- | mysql-test/t/subselect4.test | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/mysql-test/t/subselect4.test b/mysql-test/t/subselect4.test index 50b34eece89..b22be893a78 100644 --- a/mysql-test/t/subselect4.test +++ b/mysql-test/t/subselect4.test @@ -1777,5 +1777,20 @@ drop table t1, t2; set optimizer_switch=@subselect4_tmp; +--echo # +--echo # MDEV-3899 Valgrind warnings (blocks are definitely lost) in filesort on IN subquery with SUM and DISTINCT +--echo # + +CREATE TABLE t1 (a INT) ENGINE=MyISAM; +INSERT INTO t1 VALUES (1),(9); + +CREATE TABLE t2 (b INT) ENGINE=MyISAM; +INSERT INTO t2 VALUES (8); + +SELECT * FROM t1 +WHERE (1, 1) IN (SELECT a, SUM(DISTINCT a) FROM t1, t2 GROUP BY a); + +drop table t1, t2; + SET optimizer_switch= @@global.optimizer_switch; set @@tmp_table_size= @@global.tmp_table_size; |