{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "1.41"
},
"table": {
"table_name": "cscart_category_descriptions",
"access_type": "range",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"category_id",
"lang_code"
],
"key_length": "9",
"rows_examined_per_scan": 2,
"rows_produced_per_join": 2,
"filtered": "100.00",
"index_condition": "((`s2cart`.`cscart_category_descriptions`.`category_id` in (2714,3247)) and (`s2cart`.`cscart_category_descriptions`.`lang_code` = 'en'))",
"cost_info": {
"read_cost": "1.21",
"eval_cost": "0.20",
"prefix_cost": "1.41",
"data_read_per_join": "12K"
},
"used_columns": [
"category_id",
"lang_code",
"category"
]
}
}
}
category_id | category |
---|---|
2714 | Software |
3247 | Server Software |