mirror of
https://github.com/percona/percona-toolkit.git
synced 2025-09-10 13:11:32 +00:00
10 lines
796 B
SQL
10 lines
796 B
SQL
mysql> explain select * from sakila.film where film_id between 5 and 4;
|
|
+----+-------------+-------+------+---------------+------+---------+------+------+-----------------------------------------------------+
|
|
| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
|
|
+----+-------------+-------+------+---------------+------+---------+------+------+-----------------------------------------------------+
|
|
| 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | Impossible WHERE noticed after reading const tables |
|
|
+----+-------------+-------+------+---------------+------+---------+------+------+-----------------------------------------------------+
|
|
1 row in set (0.01 sec)
|
|
|
|
mysql> notee
|