{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "30.21"
},
"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": 13,
"rows_produced_per_join": 13,
"filtered": "100.00",
"index_condition": "(`ea201_diorama`.`cscart_categories`.`parent_id` in (210,554,211,555,212,556,213,214,215,216,379,700))",
"cost_info": {
"read_cost": "27.61",
"eval_cost": "2.60",
"prefix_cost": "30.21",
"data_read_per_join": "33K"
},
"used_columns": [
"category_id",
"parent_id"
]
}
}
}
category_id | parent_id |
---|---|
554 | 214 |
555 | 214 |
556 | 214 |