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-rw-r--r--mysql-test/r/group_by.result9
1 files changed, 9 insertions, 0 deletions
diff --git a/mysql-test/r/group_by.result b/mysql-test/r/group_by.result
index 9b86ccd264e..643849f36ed 100644
--- a/mysql-test/r/group_by.result
+++ b/mysql-test/r/group_by.result
@@ -2474,6 +2474,15 @@ v 2v,2v
NULL 1c,2v,2v
DROP TABLE t1,t2;
#
+# MDEV-6129: Server crashes during UNION with ORDER BY field IS NULL
+#
+SET sql_mode='ONLY_FULL_GROUP_BY';
+SELECT 1 AS test UNION SELECT 2 AS test ORDER BY test IS NULL ASC;
+test
+1
+2
+SET sql_mode='';
+#
# Bug #58782
# Missing rows with SELECT .. WHERE .. IN subquery
# with full GROUP BY and no aggr