diff options
Diffstat (limited to 'mysql-test/t/explain.test')
| -rw-r--r-- | mysql-test/t/explain.test | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/mysql-test/t/explain.test b/mysql-test/t/explain.test index 755e126baf2..77b49a8b1a5 100644 --- a/mysql-test/t/explain.test +++ b/mysql-test/t/explain.test @@ -135,6 +135,17 @@ EXPLAIN EXTENDED SELECT COUNT(a) FROM t1 USE KEY(a); DROP TABLE t1; +# +# Bug#45989 memory leak after explain encounters an error in the query +# +CREATE TABLE t1(a LONGTEXT); +INSERT INTO t1 VALUES (repeat('a',@@global.max_allowed_packet)); +INSERT INTO t1 VALUES (repeat('b',@@global.max_allowed_packet)); +--error ER_BAD_FIELD_ERROR +EXPLAIN SELECT DISTINCT 1 FROM t1, + (SELECT DISTINCTROW a AS away FROM t1 GROUP BY a WITH ROLLUP) as d1 + WHERE t1.a = d1.a; +DROP TABLE t1; # End of 5.0 tests. @@ -156,4 +167,24 @@ flush tables; SELECT OUTR.dt FROM t1 AS OUTR WHERE OUTR.dt IN ( SELECT INNR.dt FROM t2 AS INNR WHERE OUTR.t < '2005-11-13 7:41:31' ); drop tables t1, t2; +--echo # +--echo # Bug#48295: +--echo # explain extended crash with subquery and ONLY_FULL_GROUP_BY sql_mode +--echo # + +CREATE TABLE t1 (f1 INT); + +SELECT @@session.sql_mode INTO @old_sql_mode; +SET SESSION sql_mode='ONLY_FULL_GROUP_BY'; + +# EXPLAIN EXTENDED (with subselect). used to crash. should give NOTICE. +--error ER_MIX_OF_GROUP_FUNC_AND_FIELDS +EXPLAIN EXTENDED SELECT 1 FROM t1 + WHERE f1 > ALL( SELECT t.f1 FROM t1,t1 AS t ); +SHOW WARNINGS; + +SET SESSION sql_mode=@old_sql_mode; + +DROP TABLE t1; + --echo End of 5.1 tests. |