{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "32.01"
},
"table": {
"table_name": "cscart_categories",
"access_type": "range",
"possible_keys": [
"parent"
],
"key": "parent",
"used_key_parts": [
"parent_id"
],
"key_length": "4",
"rows_examined_per_scan": 15,
"rows_produced_per_join": 15,
"filtered": "100.00",
"index_condition": "(`ea201_diorama`.`cscart_categories`.`parent_id` in (402,195,623,196,624,197,199,397,200,201,386))",
"cost_info": {
"read_cost": "29.01",
"eval_cost": "3.00",
"prefix_cost": "32.01",
"data_read_per_join": "39K"
},
"used_columns": [
"category_id",
"parent_id"
]
}
}
}
category_id | parent_id |
---|---|
623 | 402 |
624 | 402 |