Query time 0.00067
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "253.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "55.00"
},
"nested_loop": [
{
"table": {
"table_name": "a",
"access_type": "range",
"possible_keys": [
"c_status"
],
"key": "c_status",
"used_key_parts": [
"product_id",
"status"
],
"key_length": "6",
"rows_examined_per_scan": 55,
"rows_produced_per_join": 55,
"filtered": "100.00",
"index_condition": "((`webmarco`.`a`.`product_id` in (82071,82118,82073,82038,149042,82061,81948,82101,82009,81647,82133,82103,81737,81655,82104,81704,81826,81863,81741,81860,81702,82072,81634,81657,81739,81625,82115,81776,82074,81611,81862,81627,82114,82069,81817,81773,81636,81812,81624,81806,82099,82052,81756,81816,82096,81814,81747,81768,82116,82095,81672,81764,81765,81762,81766)) and (`webmarco`.`a`.`status` = 'A'))",
"cost_info": {
"read_cost": "121.01",
"eval_cost": "11.00",
"prefix_cost": "132.01",
"data_read_per_join": "167K"
},
"used_columns": [
"option_id",
"product_id",
"company_id",
"option_type",
"inventory",
"regexp",
"required",
"multiupload",
"allowed_extensions",
"max_file_size",
"missing_variants_handling",
"status",
"position",
"value",
"google_export_name_option"
]
}
},
{
"table": {
"table_name": "b",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"option_id",
"lang_code"
],
"key_length": "9",
"ref": [
"webmarco.a.option_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 55,
"filtered": "100.00",
"cost_info": {
"read_cost": "55.00",
"eval_cost": "11.00",
"prefix_cost": "198.01",
"data_read_per_join": "186K"
},
"used_columns": [
"option_id",
"lang_code",
"option_name",
"internal_option_name",
"option_text",
"description",
"comment",
"inner_hint",
"incorrect_message"
]
}
}
]
}
}
}