Query time 0.00104
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "10.75"
},
"nested_loop": [
{
"table": {
"table_name": "P",
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"PRIMARY",
"cscart_products_product_id_index"
],
"key": "PRIMARY",
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"product_id"
],
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"ref": [
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],
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},
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},
{
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"fl",
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"product_id",
"fpl",
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],
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],
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},
"used_columns": [
"feature_id",
"product_id",
"variant_id"
],
"attached_condition": "(`dev2`.`PFV`.`product_id` = '28946')"
}
},
{
"table": {
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"access_type": "eq_ref",
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"PRIMARY",
"status"
],
"key": "PRIMARY",
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"feature_id"
],
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}
},
{
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"PRIMARY"
],
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{
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},
{
"table": {
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"PRIMARY"
],
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"variant_id"
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],
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"read_cost": "1.63",
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"data_read_per_join": "27K"
},
"used_columns": [
"variant_id",
"variant"
]
}
}
]
}
}
Result
product_id |
name |
variant |
variant_id |
feature_id |
28946 |
Двигатель |
GAZ G31C |
14333 |
735 |
28946 |
Мощность двигателя, л.с. |
150 |
9659 |
737 |
28946 |
Грузоподъемность, кг |
1200 |
11137 |
741 |
28946 |
Колесная формула |
4x2 |
8752 |
744 |
28946 |
Тип двигателя |
Дизельный |
9392 |
751 |
28946 |
Страна производитель |
Россия |
9729 |
758 |
28946 |
Объем двигателя |
2.5 |
14283 |
838 |
28946 |
Привод |
Задний |
13040 |
878 |