Query time 0.00044
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "25.21"
},
"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": 7,
"rows_produced_per_join": 7,
"filtered": "100.00",
"index_condition": "(`portal`.`q_product_feature_variants`.`variant_id` in (127,142,144,146,147,149,151))",
"cost_info": {
"read_cost": "15.41",
"eval_cost": "1.40",
"prefix_cost": "16.81",
"data_read_per_join": "7K"
},
"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": 7,
"filtered": "100.00",
"cost_info": {
"read_cost": "7.00",
"eval_cost": "1.40",
"prefix_cost": "25.21",
"data_read_per_join": "21K"
},
"used_columns": [
"variant_id",
"variant",
"lang_code"
]
}
}
]
}
}
}
Result
variant_id |
position |
color |
variant |
127 |
0 |
|
Classic Milano |
142 |
0 |
|
Cliff |
144 |
0 |
|
Force |
147 |
0 |
|
Forever young |
149 |
0 |
|
Hey Duck |
151 |
0 |
|
Ice |
146 |
0 |
|
Prettyzyz |