+------+-------------+---------------+-------+------------------------------------------------------------------------------------------------------------+--------------+---------+------+------+-------------+
| id | select_type | table | type | possible_keys
| key | key_len | ref | rows | Extra |
+------+-------------+---------------+-------+-------------------------------------------------------------------------------------------------------------+--------------+---------+------+------+-------------+
| 1 | SIMPLE | recentchanges | index | rc_timestamp,rc_ns_usertext,tmp_3,rc_name_type_patrolled_timestamp,rc_ns_actor,rc_namespace_title_timestamp | rc_timestamp | 16 | NULL | 2654 | Using where |
+------+-------------+---------------+-------+-------------------------------------------------------------------------------------------------------------+--------------+---------+------+------+-------------+