Query time 0.00084
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "43.03"
},
"nested_loop": [
{
"table": {
"table_name": "p",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"idx_group_id"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"rows_examined_per_scan": 10,
"rows_produced_per_join": 10,
"filtered": "100.00",
"cost_info": {
"read_cost": "12.02",
"eval_cost": "2.00",
"prefix_cost": "14.02",
"data_read_per_join": "160"
},
"used_columns": [
"product_id",
"parent_product_id",
"group_id"
],
"attached_condition": "(`webmarco`.`p`.`product_id` in (396008,395983,395989,414436,414408,414393,431514,396058,414329,396078))"
}
},
{
"table": {
"table_name": "g",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"id"
],
"key_length": "3",
"ref": [
"webmarco.p.group_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 10,
"filtered": "100.00",
"cost_info": {
"read_cost": "10.00",
"eval_cost": "2.00",
"prefix_cost": "26.02",
"data_read_per_join": "3K"
},
"used_columns": [
"id",
"code"
]
}
},
{
"table": {
"table_name": "f",
"access_type": "ref",
"possible_keys": [
"idx_group_id"
],
"key": "idx_group_id",
"used_key_parts": [
"group_id"
],
"key_length": "3",
"ref": [
"webmarco.p.group_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 14,
"filtered": "100.00",
"cost_info": {
"read_cost": "14.17",
"eval_cost": "2.83",
"prefix_cost": "43.03",
"data_read_per_join": "1K"
},
"used_columns": [
"feature_id",
"purpose",
"group_id"
]
}
}
]
}
}
Result
feature_id |
purpose |
product_id |
parent_product_id |
id |
code |
626 |
group_variation_catalog_item |
395983 |
0 |
9233 |
PV-DDBD1B6D6 |
626 |
group_variation_catalog_item |
395989 |
0 |
9234 |
PV-5738168A9 |
626 |
group_variation_catalog_item |
396008 |
0 |
9237 |
PV-72183CD0A |
626 |
group_variation_catalog_item |
396058 |
0 |
9244 |
PV-3E152018F |
626 |
group_variation_catalog_item |
396078 |
0 |
9248 |
PV-363B8DF86 |
626 |
group_variation_catalog_item |
414329 |
0 |
9789 |
PV-685D9D679 |
626 |
group_variation_catalog_item |
414393 |
0 |
9797 |
PV-96F3B6C18 |
626 |
group_variation_catalog_item |
414408 |
0 |
9799 |
PV-8C832FAA1 |
626 |
group_variation_catalog_item |
414436 |
0 |
9803 |
PV-4102C17CD |
626 |
group_variation_catalog_item |
431514 |
0 |
10687 |
PV-07FF3A2B2 |
860 |
group_variation_catalog_item |
431514 |
0 |
10687 |
PV-07FF3A2B2 |