Query time 0.00131
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "22.09"
},
"nested_loop": [
{
"table": {
"table_name": "v",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"fl",
"product_id",
"fpl",
"idx_product_feature_variant_id"
],
"key": "idx_product_feature_variant_id",
"used_key_parts": [
"product_id",
"feature_id"
],
"key_length": "6",
"rows_examined_per_scan": 24,
"rows_produced_per_join": 24,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "2.89",
"eval_cost": "2.40",
"prefix_cost": "5.29",
"data_read_per_join": "18K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id"
],
"attached_condition": "((`cscartdb`.`v`.`feature_id` = 1451) and (`cscartdb`.`v`.`product_id` in ('62315','62316','62317','62318','62319','62320','62321','62322','62323','62324','62325','62326','62327','62328','62329','62330','62331','62332','62333','62334','62335','62336','62337','62338')))"
}
},
{
"table": {
"table_name": "vd",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_id",
"lang_code"
],
"key_length": "9",
"ref": [
"cscartdb.v.variant_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 24,
"filtered": "100.00",
"cost_info": {
"read_cost": "6.00",
"eval_cost": "2.40",
"prefix_cost": "13.69",
"data_read_per_join": "72K"
},
"used_columns": [
"variant_id",
"variant",
"lang_code"
]
}
},
{
"table": {
"table_name": "vf",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_id"
],
"key_length": "3",
"ref": [
"cscartdb.v.variant_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 24,
"filtered": "100.00",
"cost_info": {
"read_cost": "6.00",
"eval_cost": "2.40",
"prefix_cost": "22.09",
"data_read_per_join": "27K"
},
"used_columns": [
"variant_id",
"color",
"position"
]
}
}
]
}
}
Result
variant_id |
product_id |
variant |
position |
color |
5842 |
62315 |
White |
0 |
#000000 |
5842 |
62316 |
White |
0 |
#000000 |
5842 |
62317 |
White |
0 |
#000000 |
5842 |
62318 |
White |
0 |
#000000 |
5842 |
62319 |
White |
0 |
#000000 |
5842 |
62320 |
White |
0 |
#000000 |
5842 |
62321 |
White |
0 |
#000000 |
5842 |
62322 |
White |
0 |
#000000 |
5842 |
62323 |
White |
0 |
#000000 |
5842 |
62324 |
White |
0 |
#000000 |
5842 |
62325 |
White |
0 |
#000000 |
5842 |
62326 |
White |
0 |
#000000 |
5843 |
62327 |
Black |
1 |
#000000 |
5843 |
62328 |
Black |
1 |
#000000 |
5843 |
62329 |
Black |
1 |
#000000 |
5843 |
62330 |
Black |
1 |
#000000 |
5843 |
62331 |
Black |
1 |
#000000 |
5843 |
62332 |
Black |
1 |
#000000 |
5843 |
62333 |
Black |
1 |
#000000 |
5843 |
62334 |
Black |
1 |
#000000 |
5843 |
62335 |
Black |
1 |
#000000 |
5843 |
62336 |
Black |
1 |
#000000 |
5843 |
62337 |
Black |
1 |
#000000 |
5843 |
62338 |
Black |
1 |
#000000 |