Query time 0.00158
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 (265000,40404,262379,265262,392209,339537,114747,271509,339493,265255,339524,339540,339536,339491,265241,114761,265230,339517,339522,339526,339520,285971,81644,265236,81606,81700,271508,265251,271499,224457,271501,339490,392218,265238,265240,392216,265253,392217,81601,366896,339741,381654,265243,265264,81687,339498,271507,339449,265233,32880,339528,224454,381657,81703,391799,265234,265257,381658,339497,339689,224455,265259,285967,81679,339448,265249,265252,339450,265260,359820,339435,392151,265239,285969,381656,339622,339442,381655,81666,339616,339443,152086,339436,170242,339574,259708,339523,339507,205875,339437,339504,339451,339512,265035,81683,139611,339740,339609,339500,339532)) 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"
]
}
}
]
}
}
}