Query time 0.00160
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 (339766,339763,339613,339560,339830,339472,339682,339823,339543,339558,339785,339480,339561,339854,339815,339639,339566,339819,339563,339772,339585,339837,339680,339661,339640,339788,381694,381692,339840,339555,339634,339672,339629,339598,339578,339832,339641,339790,339688,220162,339627,339842,381689,381685,339475,339568,339546,339844,339827,339642,339612,265036,339605,381682,220170,339687,339564,339562,430574,271695,339663,339624,339462,271696,339800,431190,339690,392159,381688,381691,339792,381693,339554,339764,431106,339793,435505,220169,431092,339592,381690,339459,339590,220166,431147,220178,339473,339795,339799,339803,339679,339791,339813,339660,339801,339786,430849,339678,339659,339465)) 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"
]
}
}
]
}
}
}