Query time 0.00103
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 (415240,185498,206442,209099,149369,415293,282473,149445,149436,220056,149383,149377,220029,149449,185470,149398,149453,149399,220054,220033,381767,149373,220036,270167,275684,270168,262997,263001,185469,185502,270264,263000,270378,185490,270170,185487,185495,185501,270196,270202,270231,185473,263002,270377,185464,270193,275686,270272,270369,276860,262999,270169,270226,185472,270370,270371,270195,275683,270194,270205,270171,185463,185475,185491,185488,185493,276862,276870,185465,185466,270227,276871,270204,270373,185468,185471,270206,270273,309380,270268,270225,185499,309377,185474,309382,309381,309378,270199,275685,270230,309379,185467,270229,185482,270379,270380,270270,185483,185481,185503)) 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"
]
}
}
]
}
}
}