Query time 0.00061
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "39.61"
},
"ordering_operation": {
"using_temporary_table": true,
"using_filesort": true,
"nested_loop": [
{
"table": {
"table_name": "q_product_feature_variants",
"access_type": "range",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_id"
],
"key_length": "3",
"rows_examined_per_scan": 11,
"rows_produced_per_join": 11,
"filtered": "100.00",
"index_condition": "(`portal`.`q_product_feature_variants`.`variant_id` in (192,211,229,237,5862,7478,7613,7853,7854,9194,9623))",
"cost_info": {
"read_cost": "24.21",
"eval_cost": "2.20",
"prefix_cost": "26.41",
"data_read_per_join": "12K"
},
"used_columns": [
"variant_id",
"color",
"position"
]
}
},
{
"table": {
"table_name": "q_product_feature_variant_descriptions",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_id",
"lang_code"
],
"key_length": "9",
"ref": [
"portal.q_product_feature_variants.variant_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 11,
"filtered": "100.00",
"cost_info": {
"read_cost": "11.00",
"eval_cost": "2.20",
"prefix_cost": "39.61",
"data_read_per_join": "33K"
},
"used_columns": [
"variant_id",
"variant",
"lang_code"
]
}
}
]
}
}
}
Result
variant_id |
position |
color |
variant |
7613 |
0 |
|
Generic |
192 |
0 |
|
Big Box |
9623 |
0 |
|
Big Box Ms |
9194 |
0 |
|
Big Box Ms. |
7478 |
0 |
|
Daniel Klein |
229 |
0 |
|
Disney |
237 |
0 |
|
Marvel |
7853 |
0 |
|
SYT |
5862 |
0 |
|
Unbranded |
7854 |
0 |
|
Wolfbike |
211 |
0 |
|
Xiaomi |