diff options
Diffstat (limited to 'mysql-test/r/order_by.result')
| -rw-r--r-- | mysql-test/r/order_by.result | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/mysql-test/r/order_by.result b/mysql-test/r/order_by.result index ffb37c9309f..f7427bcd30e 100644 --- a/mysql-test/r/order_by.result +++ b/mysql-test/r/order_by.result @@ -3356,3 +3356,19 @@ 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; +# +# MDEV-23596: Assertion `tab->ref.use_count' failed in join_read_key_unlock_row +# +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; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t2 ALL NULL NULL NULL NULL 2 +2 DEPENDENT SUBQUERY t1 index PRIMARY b 5 NULL 1 Using where +SELECT (SELECT 1 FROM t1 WHERE t1.a=t2.b ORDER BY t1.b LIMIT 1) AS c FROM t2; +c +1 +NULL +DROP TABLE t1,t2; +# end of 10.1 tests |