Query time 0.00109
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "34.42"
},
"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": 8,
"rows_produced_per_join": 8,
"filtered": "100.00",
"cost_info": {
"read_cost": "9.62",
"eval_cost": "1.60",
"prefix_cost": "11.22",
"data_read_per_join": "128"
},
"used_columns": [
"product_id",
"parent_product_id",
"group_id"
],
"attached_condition": "(`webmarco`.`p`.`product_id` in (395983,395989,395996,396002,396008,396013,396018,396027))"
}
},
{
"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": 8,
"filtered": "100.00",
"cost_info": {
"read_cost": "8.00",
"eval_cost": "1.60",
"prefix_cost": "20.82",
"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": 11,
"filtered": "100.00",
"cost_info": {
"read_cost": "11.34",
"eval_cost": "2.27",
"prefix_cost": "34.42",
"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 |
395996 |
0 |
9235 |
PV-9CF3E7CA7 |
626 |
group_variation_catalog_item |
396002 |
0 |
9236 |
PV-8F8EDC9C3 |
626 |
group_variation_catalog_item |
396008 |
0 |
9237 |
PV-72183CD0A |
626 |
group_variation_catalog_item |
396013 |
0 |
9238 |
PV-DAE49FF02 |
626 |
group_variation_catalog_item |
396018 |
0 |
9239 |
PV-45E8E7A30 |
626 |
group_variation_catalog_item |
396027 |
0 |
9240 |
PV-0A40698C9 |