{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "10.63"
},
"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": 24,
"rows_produced_per_join": 24,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "5.83",
"eval_cost": "4.80",
"prefix_cost": "10.63",
"data_read_per_join": "142K"
},
"used_columns": [
"category_id",
"parent_id"
],
"attached_condition": "(`webmarco`.`cscart_categories`.`parent_id` in (3557,3674,3676,3679,3684,3686,3690,3694,3699,3704,3713,3720,3736,3746,3752))"
}
}
}
category_id | parent_id |
---|---|
3563 | 3557 |
3593 | 3557 |
3598 | 3557 |
3611 | 3557 |
3615 | 3557 |
3622 | 3557 |
3672 | 3557 |
3760 | 3752 |
3779 | 3752 |
3783 | 3752 |
3790 | 3752 |