summaryrefslogtreecommitdiff
path: root/mysql-test/t/func_gconcat.test
diff options
context:
space:
mode:
Diffstat (limited to 'mysql-test/t/func_gconcat.test')
-rw-r--r--mysql-test/t/func_gconcat.test12
1 files changed, 12 insertions, 0 deletions
diff --git a/mysql-test/t/func_gconcat.test b/mysql-test/t/func_gconcat.test
index 0b4f0be114c..e191b9750e3 100644
--- a/mysql-test/t/func_gconcat.test
+++ b/mysql-test/t/func_gconcat.test
@@ -708,6 +708,18 @@ SELECT 1 FROM
DROP TABLE t1;
+
+--echo #
+--echo # Bug #52397: another crash with explain extended and group_concat
+--echo #
+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;
+DROP TABLE t1;
+
+
--echo End of 5.0 tests
#