Query time 0.00065
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "21.96"
},
"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": 12,
"rows_produced_per_join": 12,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "1.65",
"eval_cost": "1.20",
"prefix_cost": "2.85",
"data_read_per_join": "9K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id"
],
"attached_condition": "(`dev2`.`PFV`.`product_id` in ('32402','14737','14739','33006','25261'))"
}
},
{
"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": 12,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "3.00",
"eval_cost": "1.20",
"prefix_cost": "7.05",
"data_read_per_join": "90K"
},
"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": 9,
"filtered": "80.46",
"cost_info": {
"read_cost": "3.00",
"eval_cost": "0.97",
"prefix_cost": "11.25",
"data_read_per_join": "15K"
},
"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": 9,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "2.97",
"eval_cost": "0.97",
"prefix_cost": "15.19",
"data_read_per_join": "14K"
},
"used_columns": [
"variant_id"
]
}
},
{
"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": 9,
"filtered": "100.00",
"cost_info": {
"read_cost": "2.41",
"eval_cost": "0.97",
"prefix_cost": "18.57",
"data_read_per_join": "41K"
},
"used_columns": [
"variant_id",
"variant"
]
}
},
{
"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": 9,
"filtered": "100.00",
"cost_info": {
"read_cost": "2.42",
"eval_cost": "0.98",
"prefix_cost": "21.96",
"data_read_per_join": "26K"
},
"used_columns": [
"feature_id",
"internal_name"
]
}
}
]
}
}
Result
product_id |
name |
variant |
variant_id |
feature_id |
14737 |
Грузоподъемность, кг |
35500 |
13919 |
741 |
14737 |
Шины |
425/85 R21 |
9218 |
745 |
14737 |
Страна производитель |
Россия |
9729 |
758 |
14737 |
Высота ССУ, мм |
1450 |
13918 |
776 |
14739 |
Грузоподъемность, кг |
36000 |
13920 |
741 |
14739 |
Шины |
425/85 R21 |
9218 |
745 |
14739 |
Страна производитель |
Россия |
9729 |
758 |
14739 |
Высота ССУ, мм |
1450 |
13918 |
776 |
33006 |
Страна производитель |
Германия |
12063 |
758 |
33006 |
Высота ССУ, мм |
1150 |
9822 |
776 |