Query time 0.00081
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "73.14"
},
"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": 17,
"rows_produced_per_join": 17,
"filtered": "100.00",
"cost_info": {
"read_cost": "20.43",
"eval_cost": "3.40",
"prefix_cost": "23.83",
"data_read_per_join": "272"
},
"used_columns": [
"product_id",
"parent_product_id",
"group_id"
],
"attached_condition": "(`webmarco`.`p`.`product_id` in (369578,276919,276920,392486,392485,392484,392487,392446,392445,432451,429770,435270,432222,432333,435503,435523,435520))"
}
},
{
"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": 17,
"filtered": "100.00",
"cost_info": {
"read_cost": "17.00",
"eval_cost": "3.40",
"prefix_cost": "44.23",
"data_read_per_join": "6K"
},
"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": 24,
"filtered": "100.00",
"cost_info": {
"read_cost": "24.09",
"eval_cost": "4.82",
"prefix_cost": "73.14",
"data_read_per_join": "2K"
},
"used_columns": [
"feature_id",
"purpose",
"group_id"
]
}
}
]
}
}
Result
feature_id |
purpose |
product_id |
parent_product_id |
id |
code |
860 |
group_variation_catalog_item |
369578 |
0 |
7899 |
PV-09E6B9199 |
861 |
group_catalog_item |
392485 |
0 |
8602 |
PV-65E195D8E |
861 |
group_catalog_item |
392486 |
0 |
8602 |
PV-65E195D8E |
861 |
group_catalog_item |
392487 |
0 |
8603 |
PV-D78B242F3 |
860 |
group_variation_catalog_item |
432333 |
0 |
10745 |
PV-31186FA98 |
1013 |
group_variation_catalog_item |
432333 |
0 |
10745 |
PV-31186FA98 |