| id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
|---|---|---|---|---|---|---|---|---|---|
| 1 | SIMPLE | c0_ | const | PRIMARY, published_at_index, IDX_get_content | PRIMARY | 8 | const | 1 | |
| 1 | SIMPLE | c4_ | const | PRIMARY, IDX_54FBF32E84A0A3ED, IDX_cs_site_id | PRIMARY | 12 | const, const | 1 | Using index |
| 1 | SIMPLE | s3_ | const | PRIMARY | PRIMARY | 4 | const | 1 | Using index |
| 1 | SIMPLE | c2_ | ref | IDX_E218941784A0A3ED | IDX_E218941784A0A3ED | 8 | const | 1 | Using index |