Query time 0.00086
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "16.27"
},
"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": 9,
"rows_produced_per_join": 9,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "1.43",
"eval_cost": "0.90",
"prefix_cost": "2.33",
"data_read_per_join": "6K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id"
],
"attached_condition": "(`dev2`.`PFV`.`product_id` in ('28887','28870','28868','28872','11373'))"
}
},
{
"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": 9,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "2.25",
"eval_cost": "0.90",
"prefix_cost": "5.48",
"data_read_per_join": "67K"
},
"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": 7,
"filtered": "80.46",
"cost_info": {
"read_cost": "2.25",
"eval_cost": "0.72",
"prefix_cost": "8.63",
"data_read_per_join": "11K"
},
"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": 7,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "1.81",
"eval_cost": "0.72",
"prefix_cost": "11.16",
"data_read_per_join": "10K"
},
"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": 7,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.81",
"eval_cost": "0.73",
"prefix_cost": "13.70",
"data_read_per_join": "20K"
},
"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": 7,
"filtered": "100.00",
"cost_info": {
"read_cost": "1.83",
"eval_cost": "0.73",
"prefix_cost": "16.27",
"data_read_per_join": "31K"
},
"used_columns": [
"variant_id",
"variant"
]
}
}
]
}
}
Result
product_id |
name |
variant |
variant_id |
feature_id |
11373 |
Габариты д.ш.в., мм |
9300 *2400 *3300 |
12964 |
822 |
28868 |
Габариты д.ш.в., мм |
1680x2170x4500 |
14385 |
822 |
28868 |
Габариты в упаковке д.ш.в., мм |
1680x2170x4500 |
14384 |
823 |
28870 |
Габариты д.ш.в., мм |
2230x2300x6100 |
14387 |
822 |
28870 |
Габариты в упаковке д.ш.в., мм |
2230x2300x6100 |
14386 |
823 |
28872 |
Габариты д.ш.в., мм |
2280x2450x6200 |
14389 |
822 |
28872 |
Габариты в упаковке д.ш.в., мм |
2280x2450x6200 |
14388 |
823 |
28887 |
Габариты д.ш.в., мм |
6500х2250х2450 |
14401 |
822 |
28887 |
Габариты в упаковке д.ш.в., мм |
6500х2250х2450 |
14400 |
823 |