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-rw-r--r--mysql-test/t/group_by_innodb.test10
1 files changed, 10 insertions, 0 deletions
diff --git a/mysql-test/t/group_by_innodb.test b/mysql-test/t/group_by_innodb.test
index e072a94fada..074df222294 100644
--- a/mysql-test/t/group_by_innodb.test
+++ b/mysql-test/t/group_by_innodb.test
@@ -125,4 +125,14 @@ ORDER BY id DESC;
DROP TABLE t1, t2;
+--echo #
+--echo # MDEV-11162: Assertion `num_records == m_idx_array.size()' failed in Filesort_buffer::alloc_sort_buffer(uint, uint)
+--echo #
+
+CREATE TABLE t1 (i INT) ENGINE=InnoDB;
+SELECT ( SELECT DISTINCT GROUP_CONCAT(SLEEP(0)) FROM t1 GROUP BY i );
+SELECT i FROM t1 order by i LIMIT 1;
+DROP TABLE t1;
+
--echo # End of tests
+