{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "13.83"
},
"table": {
"table_name": "cscart_categories",
"access_type": "range",
"possible_keys": [
"parent"
],
"key": "parent",
"used_key_parts": [
"parent_id"
],
"key_length": "3",
"rows_examined_per_scan": 32,
"rows_produced_per_join": 32,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "7.43",
"eval_cost": "6.40",
"prefix_cost": "13.83",
"data_read_per_join": "189K"
},
"used_columns": [
"category_id",
"parent_id"
],
"attached_condition": "(`webmarco`.`cscart_categories`.`parent_id` in (393,396,929,1506,1714,1715,1914,2397,2468,2529,2552,9290))"
}
}
}
category_id | parent_id |
---|---|
1516 | 393 |
1517 | 393 |
1415 | 929 |
1416 | 929 |
1417 | 929 |
1418 | 929 |
1419 | 929 |
1420 | 929 |
2541 | 929 |
2398 | 2397 |
2399 | 2397 |
2400 | 2397 |
2401 | 2397 |
2402 | 2397 |
2403 | 2397 |
2530 | 2529 |
2531 | 2529 |
2532 | 2529 |
2533 | 2529 |
2534 | 2529 |
2535 | 2529 |
2536 | 2529 |
2537 | 2529 |
2538 | 2529 |