diff options
Diffstat (limited to 'mysql-test/t/order_by.test')
| -rw-r--r-- | mysql-test/t/order_by.test | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/mysql-test/t/order_by.test b/mysql-test/t/order_by.test index 3a30e0b6c76..3e614ed3316 100644 --- a/mysql-test/t/order_by.test +++ b/mysql-test/t/order_by.test @@ -2196,3 +2196,18 @@ SET max_sort_length= @save_max_sort_length; SET sort_buffer_size= @save_sort_buffer_size; SET max_length_for_sort_data= @save_max_length_for_sort_data; DROP TABLE t1; + +--echo # +--echo # MDEV-23596: Assertion `tab->ref.use_count' failed in join_read_key_unlock_row +--echo # + +CREATE TABLE t1 (a INT PRIMARY KEY, b INT, KEY(b)); +INSERT INTO t1 VALUES (0, 1),(1, 2); +CREATE TABLE t2 SELECT * FROM t1; + +EXPLAIN SELECT (SELECT 1 FROM t1 WHERE t1.a=t2.b ORDER BY t1.b LIMIT 1) AS c FROM t2; +SELECT (SELECT 1 FROM t1 WHERE t1.a=t2.b ORDER BY t1.b LIMIT 1) AS c FROM t2; + +DROP TABLE t1,t2; + +--echo # end of 10.1 tests |