Query time 0.00117
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "26.77"
},
"nested_loop": [
{
"table": {
"table_name": "PFV",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"fl",
"variant_id",
"product_id",
"fpl",
"idx_product_feature_variant_id"
],
"key": "product_id",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"rows_examined_per_scan": 15,
"rows_produced_per_join": 15,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "2.03",
"eval_cost": "1.50",
"prefix_cost": "3.53",
"data_read_per_join": "11K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id"
],
"attached_condition": "(`dev2`.`PFV`.`product_id` in ('17191','22732','22035','14067','14051'))"
}
},
{
"table": {
"table_name": "P",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"cscart_products_product_id_index"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"dev2.PFV.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 15,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "3.75",
"eval_cost": "1.50",
"prefix_cost": "8.78",
"data_read_per_join": "113K"
},
"used_columns": [
"product_id"
]
}
},
{
"table": {
"table_name": "PF",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY",
"status"
],
"key": "PRIMARY",
"used_key_parts": [
"feature_id"
],
"key_length": "3",
"ref": [
"dev2.PFV.feature_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 12,
"filtered": "80.46",
"cost_info": {
"read_cost": "3.75",
"eval_cost": "1.21",
"prefix_cost": "14.03",
"data_read_per_join": "18K"
},
"used_columns": [
"feature_id",
"status"
],
"attached_condition": "(`dev2`.`PF`.`status` = 'A')"
}
},
{
"table": {
"table_name": "PFVS",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_id"
],
"key_length": "3",
"ref": [
"dev2.PFV.variant_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 12,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "3.02",
"eval_cost": "1.21",
"prefix_cost": "18.26",
"data_read_per_join": "18K"
},
"used_columns": [
"variant_id"
]
}
},
{
"table": {
"table_name": "PFD",
"access_type": "ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"feature_id"
],
"key_length": "3",
"ref": [
"dev2.PFV.feature_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 12,
"filtered": "100.00",
"cost_info": {
"read_cost": "3.02",
"eval_cost": "1.22",
"prefix_cost": "22.50",
"data_read_per_join": "33K"
},
"used_columns": [
"feature_id",
"internal_name"
]
}
},
{
"table": {
"table_name": "PFVD",
"access_type": "ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"variant_id"
],
"key_length": "3",
"ref": [
"dev2.PFV.variant_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 12,
"filtered": "100.00",
"cost_info": {
"read_cost": "3.05",
"eval_cost": "1.22",
"prefix_cost": "26.77",
"data_read_per_join": "51K"
},
"used_columns": [
"variant_id",
"variant"
]
}
}
]
}
}
Result
product_id |
name |
variant |
variant_id |
feature_id |
14051 |
Двигатель |
ЯМЗ-536 |
9219 |
735 |
14051 |
Мощность двигателя, л.с. |
283 |
13395 |
737 |
14051 |
Шасси |
Урал NEXT |
13396 |
740 |
14051 |
Колесная формула |
6x6 |
8735 |
744 |
14051 |
Страна производитель |
Россия |
9729 |
758 |
14051 |
Объём цистерны, м3 |
10 |
11892 |
775 |
14067 |
Двигатель |
ЯМЗ-65674 |
13397 |
735 |
14067 |
Мощность двигателя, л.с. |
228 |
12011 |
737 |
14067 |
Шасси |
УРАЛ 4320 |
12012 |
740 |
14067 |
Колесная формула |
6x6 |
8735 |
744 |
14067 |
Страна производитель |
Россия |
9729 |
758 |
14067 |
Объём цистерны, м3 |
10 |
11892 |
775 |