id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra |
---|---|---|---|---|---|---|---|---|---|
1 | PRIMARY | documents_translations | ref | PRIMARY | PRIMARY | 4 | const | 1 | |
2 | UNION | documents_translations | ref | id | id | 4 | const | 1 | Using index |
UNION RESULT | <union1, 2> | ALL |