{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "1.00"
},
"grouping_operation": {
"using_filesort": false,
"table": {
"table_name": "cscart_product_prices",
"access_type": "const",
"possible_keys": [
"usergroup",
"product_id",
"lower_limit",
"usergroup_id"
],
"key": "usergroup",
"used_key_parts": [
"product_id",
"usergroup_id",
"lower_limit"
],
"key_length": "9",
"ref": [
"const",
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.20",
"prefix_cost": "0.00",
"data_read_per_join": "64"
},
"used_columns": [
"product_id",
"price",
"percentage_discount",
"lower_limit",
"usergroup_id"
]
}
}
}
}
product_id | price |
---|---|
391684 | 0.00000000 |