{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "3.40"
},
"grouping_operation": {
"using_temporary_table": true,
"using_filesort": true,
"table": {
"table_name": "cscart_ult_product_prices",
"access_type": "ref",
"possible_keys": [
"usergroup",
"product_id",
"company_id",
"lower_limit",
"usergroup_id"
],
"key": "company_id",
"used_key_parts": [
"company_id"
],
"key_length": "4",
"ref": [
"const"
],
"rows_examined_per_scan": 7,
"rows_produced_per_join": 2,
"filtered": "28.71",
"index_condition": "(`ea201_francemaqu`.`cscart_ult_product_prices`.`company_id` <=> 1)",
"cost_info": {
"read_cost": "2.00",
"eval_cost": "0.40",
"prefix_cost": "3.40",
"data_read_per_join": "64"
},
"used_columns": [
"product_id",
"price",
"percentage_discount",
"lower_limit",
"company_id",
"usergroup_id"
],
"attached_condition": "((`ea201_francemaqu`.`cscart_ult_product_prices`.`lower_limit` = 1) and (`ea201_francemaqu`.`cscart_ult_product_prices`.`product_id` in (784,5558,4470,1906,780,2230,8220)) and (`ea201_francemaqu`.`cscart_ult_product_prices`.`usergroup_id` in (0,0,1)))"
}
}
}
}