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Diffstat (limited to 'mysql-test/r/func_gconcat.result')
| -rw-r--r-- | mysql-test/r/func_gconcat.result | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/mysql-test/r/func_gconcat.result b/mysql-test/r/func_gconcat.result index 2d2ca10f54b..1a393b3cdd5 100644 --- a/mysql-test/r/func_gconcat.result +++ b/mysql-test/r/func_gconcat.result @@ -1003,6 +1003,21 @@ SELECT 1 FROM 1 1 DROP TABLE t1; +# +# Bug #52397: another crash with explain extended and group_concat +# +CREATE TABLE t1 (a INT); +INSERT INTO t1 VALUES (0), (0); +EXPLAIN EXTENDED SELECT 1 FROM +(SELECT GROUP_CONCAT(t1.a ORDER BY t1.a ASC) FROM +t1 t2, t1 GROUP BY t1.a) AS d; +id select_type table type possible_keys key key_len ref rows filtered Extra +1 PRIMARY <derived2> system NULL NULL NULL NULL 1 100.00 +2 DERIVED t2 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort +2 DERIVED t1 ALL NULL NULL NULL NULL 2 100.00 Using join buffer +Warnings: +Note 1003 select 1 AS `1` from dual +DROP TABLE t1; End of 5.0 tests DROP TABLE IF EXISTS t1, t2; CREATE TABLE t1 (a VARCHAR(6), b INT); |