{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "0.55"
},
"table": {
"table_name": "cscart_absolute_rating",
"access_type": "ALL",
"rows_examined_per_scan": 3,
"rows_produced_per_join": 1,
"filtered": "33.33",
"cost_info": {
"read_cost": "0.45",
"eval_cost": "0.10",
"prefix_cost": "0.55",
"data_read_per_join": "112"
},
"used_columns": [
"object_type",
"rating"
],
"attached_condition": "(`dev2`.`cscart_absolute_rating`.`object_type` = 'company')"
}
}
}
MAX(rating) |
---|
5 |