Query time 0.00087
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "37.19"
},
"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": 21,
"rows_produced_per_join": 21,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "2.56",
"eval_cost": "2.10",
"prefix_cost": "4.66",
"data_read_per_join": "16K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id"
],
"attached_condition": "(`dev2`.`PFV`.`product_id` in ('33426','28850','12449','14280','32489'))"
}
},
{
"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": 21,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "5.25",
"eval_cost": "2.10",
"prefix_cost": "12.01",
"data_read_per_join": "158K"
},
"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": 16,
"filtered": "80.46",
"cost_info": {
"read_cost": "5.25",
"eval_cost": "1.69",
"prefix_cost": "19.36",
"data_read_per_join": "26K"
},
"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": 16,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "4.22",
"eval_cost": "1.69",
"prefix_cost": "25.27",
"data_read_per_join": "25K"
},
"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": 17,
"filtered": "100.00",
"cost_info": {
"read_cost": "4.22",
"eval_cost": "1.71",
"prefix_cost": "31.21",
"data_read_per_join": "46K"
},
"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": 17,
"filtered": "100.00",
"cost_info": {
"read_cost": "4.27",
"eval_cost": "1.71",
"prefix_cost": "37.19",
"data_read_per_join": "72K"
},
"used_columns": [
"variant_id",
"variant"
]
}
}
]
}
}
Result
product_id |
name |
variant |
variant_id |
feature_id |
12449 |
Мощность двигателя, л.с. |
106 |
12492 |
737 |
12449 |
Колесная формула |
4x2 |
8752 |
744 |
12449 |
Страна производитель |
Россия |
9729 |
758 |
12449 |
Привод |
Задний |
13040 |
878 |
14280 |
Двигатель |
ISF3.8S5168 |
11785 |
735 |
14280 |
Мощность двигателя, л.с. |
166 |
11786 |
737 |
14280 |
Колесная формула |
4x2 |
8752 |
744 |
14280 |
Тип двигателя |
Дизельный |
9392 |
751 |
28850 |
Двигатель |
WEICHAI, WP4.1NQ190E5 |
14060 |
735 |
28850 |
Мощность двигателя, л.с. |
190 |
9363 |
737 |
28850 |
Грузоподъемность, кг |
5800 |
13780 |
741 |
28850 |
Колесная формула |
4x2 |
8752 |
744 |
28850 |
Тип двигателя |
Дизельный |
9392 |
751 |
28850 |
Страна производитель |
Китай |
9730 |
758 |
28850 |
Объем двигателя |
4088см3 |
14544 |
838 |
28850 |
Привод |
Задний |
13040 |
878 |
32489 |
Мощность двигателя, л.с. |
190 |
9363 |
737 |
33426 |
Двигатель |
4КН1-ТСG61 |
14742 |
735 |
33426 |
Мощность двигателя, л.с. |
190 |
9363 |
737 |
33426 |
Тип двигателя |
Дизельный |
9392 |
751 |
33426 |
Объем двигателя |
5.2 |
14741 |
838 |