Query time 0.00076
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "25.79"
},
"nested_loop": [
{
"table": {
"table_name": "P",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"cscart_products_product_id_index"
],
"key": "cscart_products_product_id_index",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"rows_examined_per_scan": 3,
"rows_produced_per_join": 3,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "0.56",
"eval_cost": "0.30",
"prefix_cost": "0.86",
"data_read_per_join": "22K"
},
"used_columns": [
"product_id"
],
"attached_condition": "(`dev2`.`P`.`product_id` in ('14714','9184','28163'))"
}
},
{
"table": {
"table_name": "PFV",
"access_type": "ref",
"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",
"ref": [
"dev2.P.product_id"
],
"rows_examined_per_scan": 6,
"rows_produced_per_join": 18,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "1.07",
"eval_cost": "1.84",
"prefix_cost": "3.77",
"data_read_per_join": "14K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_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": 14,
"filtered": "80.46",
"cost_info": {
"read_cost": "4.59",
"eval_cost": "1.48",
"prefix_cost": "10.20",
"data_read_per_join": "23K"
},
"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": 14,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "3.69",
"eval_cost": "1.48",
"prefix_cost": "15.37",
"data_read_per_join": "22K"
},
"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": 14,
"filtered": "100.00",
"cost_info": {
"read_cost": "3.69",
"eval_cost": "1.49",
"prefix_cost": "20.56",
"data_read_per_join": "41K"
},
"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": 14,
"filtered": "100.00",
"cost_info": {
"read_cost": "3.74",
"eval_cost": "1.50",
"prefix_cost": "25.79",
"data_read_per_join": "63K"
},
"used_columns": [
"variant_id",
"variant"
]
}
}
]
}
}
Result
product_id |
name |
variant |
variant_id |
feature_id |
9184 |
Мощность двигателя, л.с. |
285 |
12072 |
737 |
9184 |
Колесная формула |
6x6 |
8735 |
744 |
9184 |
Шины |
425/85 R21 |
9218 |
745 |
9184 |
Объем топливного бака, л. |
210 |
12073 |
746 |
9184 |
Количество мест в автобусе |
28+2 |
11719 |
750 |
14714 |
Мощность двигателя, л.с. |
273 |
8764 |
737 |
14714 |
Колесная формула |
6х6 |
13865 |
744 |
14714 |
Объем топливного бака, л. |
300 |
9494 |
746 |
14714 |
Количество мест в автобусе |
28+2 |
11719 |
750 |
28163 |
Мощность двигателя, л.с. |
300 |
8737 |
737 |
28163 |
Колесная формула |
6x6 |
8735 |
744 |
28163 |
Шины |
10 R22.5 |
9276 |
745 |
28163 |
Объем топливного бака, л. |
210 |
12073 |
746 |
28163 |
Максимальная скорость, км/ч |
160 |
13871 |
748 |
28163 |
Количество мест в автобусе |
28+2 |
11719 |
750 |