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This commit is contained in:
Georgi Kodinov
2010-10-06 13:02:11 +03:00
parent 86d35d20c1 5a9b624aab
commit fd7cbdc48d
3 changed files with 44 additions and 11 deletions
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18
mysql-test/r/ps.result
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@@ -3025,6 +3025,24 @@ Warnings:
Note 1003 select 1 AS `1` from `test`.`t1` `t2` left join `test`.`t1` on(1) where 1
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
#
# Bug#54488 crash when using explain and prepared statements with subqueries
#
CREATE TABLE t1(f1 INT);
INSERT INTO t1 VALUES (1),(1);
PREPARE stmt FROM 'EXPLAIN SELECT 1 FROM t1 WHERE (SELECT (SELECT 1 FROM t1 GROUP BY f1))';
EXECUTE stmt;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
3 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary; Using filesort
EXECUTE stmt;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
2 SUBQUERY NULL NULL NULL NULL NULL NULL NULL No tables used
3 SUBQUERY t1 ALL NULL NULL NULL NULL 2 Using temporary; Using filesort
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
End of 5.1 tests.