{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "8.81"
},
"table": {
"table_name": "cscart_categories",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"parent",
"p_category_id"
],
"key": "parent",
"used_key_parts": [
"parent_id"
],
"key_length": "3",
"rows_examined_per_scan": 14,
"rows_produced_per_join": 14,
"filtered": "100.00",
"index_condition": "(`s2cart`.`cscart_categories`.`parent_id` in (1462,1460,1461,1465,1466,1470,1472,1471,1475,1473))",
"cost_info": {
"read_cost": "7.41",
"eval_cost": "1.40",
"prefix_cost": "8.81",
"data_read_per_join": "49K"
},
"used_columns": [
"category_id",
"parent_id"
],
"attached_condition": "(`s2cart`.`cscart_categories`.`category_id` <> 414)"
}
}
}
category_id | parent_id |
---|---|
1463 | 1462 |
1464 | 1462 |
1467 | 1466 |
1468 | 1466 |
1469 | 1466 |
1474 | 1473 |
1476 | 1473 |
1477 | 1473 |