| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
|---|---|---|---|---|---|---|---|---|---|
| 1 | SIMPLE | d0_ | const | PRIMARY | PRIMARY | 4 | const | 1 | Using temporary; Using filesort |
| 1 | SIMPLE | d1_ | ALL | IDX_35DCD7318C22AA1A | 34 | Using where | |||
| 1 | SIMPLE | d2_ | eq_ref | PRIMARY | PRIMARY | 4 | mahjontv1326_dev.d1_.block_id | 1 | Using where |