{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "1.00"
},
"table": {
"table_name": "cscart_discussion",
"access_type": "const",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"thread_id"
],
"key_length": "3",
"ref": [
"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": "24"
},
"used_columns": [
"thread_id",
"object_id",
"object_type",
"type"
]
}
}
}
thread_id | type | object_type | object_id |
---|---|---|---|
374832 | B | P | 389109 |