Query time 0.00062
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "19.37"
},
"ordering_operation": {
"using_filesort": true,
"cost_info": {
"sort_cost": "13.00"
},
"nested_loop": [
{
"table": {
"table_name": "a",
"access_type": "ALL",
"possible_keys": [
"c_status"
],
"rows_examined_per_scan": 13,
"rows_produced_per_join": 13,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.52",
"eval_cost": "1.30",
"prefix_cost": "1.82",
"data_read_per_join": "29K"
},
"used_columns": [
"option_id",
"product_id",
"company_id",
"option_type",
"regexp",
"required",
"multiupload",
"allowed_extensions",
"max_file_size",
"missing_variants_handling",
"status",
"position",
"value"
],
"attached_condition": "((`softwarepirmam_hewadelivard_cscart_4`.`a`.`product_id` in (6925,6946,6953,6954,6960,6962,6972,7016,7056,7088,7112,7123,7135,7137,7145,7149,7150,7178,7180,7205,7296,7299,6875,6884,6895,6965,6973,6999,7001,7057,7091,7103,7163,7187,7188,7199,7304,7313,6916,6922)) and (`softwarepirmam_hewadelivard_cscart_4`.`a`.`status` = 'A'))"
}
},
{
"table": {
"table_name": "b",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"option_id",
"lang_code"
],
"key_length": "9",
"ref": [
"softwarepirmam_hewadelivard_cscart_4.a.option_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 13,
"filtered": "100.00",
"cost_info": {
"read_cost": "3.25",
"eval_cost": "1.30",
"prefix_cost": "6.37",
"data_read_per_join": "44K"
},
"used_columns": [
"option_id",
"lang_code",
"option_name",
"internal_option_name",
"option_text",
"description",
"comment",
"inner_hint",
"incorrect_message"
]
}
}
]
}
}
}