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-rw-r--r--mysql-test/t/win.test10
1 files changed, 10 insertions, 0 deletions
diff --git a/mysql-test/t/win.test b/mysql-test/t/win.test
index 0f02b1414a0..fd31e9d4bd9 100644
--- a/mysql-test/t/win.test
+++ b/mysql-test/t/win.test
@@ -2256,5 +2256,15 @@ from t1 e;
drop table t1;
--echo #
+--echo # MDEV-15837: Assertion `item1->type() == Item::FIELD_ITEM && item2->type() == Item::FIELD_ITEM'
+--echo # failed in compare_order_elements function
+--echo #
+
+CREATE TABLE t1 (a1 int);
+insert into t1 values (1),(2),(3);
+SELECT rank() OVER (ORDER BY 1), ROW_NUMBER() OVER (ORDER BY (EXPORT_SET(5,'Y','N',',',4))) FROM t1;
+drop table t1;
+
+--echo #
--echo # End of 10.2 tests
--echo #