Query time 0.00118
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "1.05"
},
"ordering_operation": {
"using_filesort": true,
"nested_loop": [
{
"table": {
"table_name": "a",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"c_status"
],
"key": "c_status",
"used_key_parts": [
"product_id",
"status"
],
"key_length": "6",
"ref": [
"const",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.25",
"eval_cost": "0.10",
"prefix_cost": "0.35",
"data_read_per_join": "2K"
},
"used_columns": [
"option_id",
"product_id",
"company_id",
"option_type",
"regexp",
"required",
"multiupload",
"allowed_extensions",
"max_file_size",
"missing_variants_handling",
"status",
"position",
"value"
]
}
},
{
"table": {
"table_name": "c",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"product_id"
],
"key": "PRIMARY",
"used_key_parts": [
"option_id"
],
"key_length": "3",
"ref": [
"nuie_scalesta_net.a.option_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "0.25",
"eval_cost": "0.10",
"prefix_cost": "0.70",
"data_read_per_join": "8"
},
"used_columns": [
"option_id",
"product_id"
],
"attached_condition": "(`nuie_scalesta_net`.`c`.`product_id` in (85091,85092,85177,85178,85223,85224,85269,85270,85105,89812,89813,89864,89865,89936,89937,91502,91503,89772,85300,85301,85397,85398,85448,85449,85499,85500,85131,85132,83580,85346,85347,85068,85154,85200,85246,89827,89879,89951,91517,83566,85108,86517,86518,86793,86794,82837,82910,82983,83397,83407,86140,86163,86648,86717,83448,83453,89760,89761,89811,89863,89935,91501,85299,85396,85447,85498,85328,85329,85425,85426,85476,85477,85527,85528,85090,85176,85222,85268,85345,83066,83067,83619,83620,89775,90902,90903,90981,90982,82611,85374,85375,82638,83535,85130,89814,89866))"
}
},
{
"table": {
"table_name": "b",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"option_id",
"lang_code"
],
"key_length": "9",
"ref": [
"nuie_scalesta_net.a.option_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.25",
"eval_cost": "0.10",
"prefix_cost": "1.05",
"data_read_per_join": "3K"
},
"used_columns": [
"option_id",
"lang_code",
"option_name",
"internal_option_name",
"option_text",
"description",
"comment",
"inner_hint",
"incorrect_message"
]
}
}
]
}
}
}