Query time 0.00106
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "460.01"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "100.00"
},
"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": 100,
"rows_produced_per_join": 100,
"filtered": "100.00",
"index_condition": "((`webmarco`.`a`.`product_id` in (430732,430833,430942,430985,431076,431466,431480,339768,387046,430750,431210,431219,431330,431438,431452,430719,431380,430724,430987,431181,431222,431285,431377,431481,431239,431353,431387,381709,430693,431229,431241,431412,431447,430632,430727,431292,431384,431385,431440,431502,431208,431236,430733,431188,431281,430721,430682,431259,431224,431335,431361,430699,431421,430701,430955,431249,431253,431332,431458,430951,431040,431081,431172,431402,430731,430757,431431,430945,431009,431143,431215,431263,431298,431468,381715,430736,431170,431442,431455,431472,381706,431364,431401,431414,431478,430970,431180,431454,381708,430941,430954,431233,431369,431378,431446,430725,431014,431213,431225,431300)) and (`webmarco`.`a`.`status` = 'A'))",
"cost_info": {
"read_cost": "220.01",
"eval_cost": "20.00",
"prefix_cost": "240.01",
"data_read_per_join": "303K"
},
"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": 100,
"filtered": "100.00",
"cost_info": {
"read_cost": "100.00",
"eval_cost": "20.00",
"prefix_cost": "360.01",
"data_read_per_join": "339K"
},
"used_columns": [
"option_id",
"lang_code",
"option_name",
"internal_option_name",
"option_text",
"description",
"comment",
"inner_hint",
"incorrect_message"
]
}
}
]
}
}
}