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November 6, 2017 16:02
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mysql> EXPLAIN SELECT slug FROM products WHERE deleted_at IS NULL AND id IN (36215, 10736, 40594, 14078, 40466, 1566, 4455, 6746, 41690, 3448, | |
39094, 13363, 15491, 10913, 4291, 41940, 40392, 10013, 33510, 6962); | |
+----+-------------+----------+------------+-------+--------------------------+---------+---------+------+------+----------+-------------+ | |
| id | select_type | table | partitions | type | possible_keys | key | key_len | ref | rows | filtered | Extra | | |
+----+-------------+----------+------------+-------+--------------------------+---------+---------+------+------+----------+-------------+ | |
| 1 | SIMPLE | products | NULL | range | PRIMARY,index_deleted_at | PRIMARY | 4 | NULL | 20 | 10.00 | Using where | | |
+----+-------------+----------+------------+-------+--------------------------+---------+---------+------+------+----------+-------------+ | |
mysql> EXPLAIN SELECT slug FROM products WHERE deleted_at IS NULL AND id IN (13480, 13585, 4457, 9482, 33882, 7177, 5269, 41473, 36707, 36158, | |
11455, 9634, 6315, 39226, 38812, 13510, 4480, 6010, 12027, 5961, 33539, | |
12813, 37593, 5573, 13581, 36572, 14128, 34371, 35410, 786, 11790, 1752, | |
40770, 9855, 11477, 41274, 3523, 36149, 39216, 13379, 1701, 4585, 40725, 5661); | |
+----+-------------+----------+------------+-------+--------------------------+------------------+---------+------+------+----------+-----------------------+ | |
| id | select_type | table | partitions | type | possible_keys | key | key_len | ref | rows | filtered | Extra | | |
+----+-------------+----------+------------+-------+--------------------------+------------------+---------+------+------+----------+-----------------------+ | |
| 1 | SIMPLE | products | NULL | range | PRIMARY,index_deleted_at | index_deleted_at | 10 | NULL | 50 | 100.00 | Using index condition | | |
+----+-------------+----------+------------+-------+--------------------------+------------------+---------+------+------+----------+-----------------------+ |
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