Files
percona-toolkit/t/pt-visual-explain/samples/optimized_away.sql
2011-06-24 16:02:05 -06:00

10 lines
662 B
SQL

mysql> explain select min(film_id) from sakila.film;
+----+-------------+-------+------+---------------+------+---------+------+------+------------------------------+
| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
+----+-------------+-------+------+---------------+------+---------+------+------+------------------------------+
| 1 | SIMPLE | NULL | NULL | NULL | NULL | NULL | NULL | NULL | Select tables optimized away |
+----+-------------+-------+------+---------------+------+---------+------+------+------------------------------+
1 row in set (0.00 sec)
mysql> notee