| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
|---|---|---|---|---|---|---|---|---|---|
| 1 | SIMPLE | c0_ | ALL | 1 | Using temporary; Using filesort | ||||
| 1 | SIMPLE | a1_ | ALL | IDX_A45BDDC1360ED39E | 1 | Using where; Using join buffer (flat, BNL join) |
| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
|---|---|---|---|---|---|---|---|---|---|
| 1 | SIMPLE | c0_ | ALL | 1 | Using temporary; Using filesort | ||||
| 1 | SIMPLE | a1_ | ALL | IDX_A45BDDC1360ED39E | 1 | Using where; Using join buffer (flat, BNL join) |