Query time 0.00149
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "38.25"
},
"nested_loop": [
{
"table": {
"table_name": "gp",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"idx_group_id"
],
"key": "idx_group_id",
"used_key_parts": [
"group_id"
],
"key_length": "3",
"rows_examined_per_scan": 11,
"rows_produced_per_join": 11,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "3.22",
"eval_cost": "2.20",
"prefix_cost": "5.42",
"data_read_per_join": "176"
},
"used_columns": [
"product_id",
"group_id"
],
"attached_condition": "(`webmarco`.`gp`.`group_id` in (2142,2141))"
}
},
{
"table": {
"table_name": "gpf",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"idx_group_id"
],
"key": "idx_group_id",
"used_key_parts": [
"group_id"
],
"key_length": "3",
"ref": [
"webmarco.gp.group_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 15,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "11.01",
"eval_cost": "3.12",
"prefix_cost": "19.54",
"data_read_per_join": "1K"
},
"used_columns": [
"feature_id",
"group_id"
]
}
},
{
"table": {
"table_name": "pfv",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"fl",
"lang_code",
"product_id",
"fpl",
"idx_product_feature_variant_id"
],
"key": "fpl",
"used_key_parts": [
"feature_id",
"product_id",
"lang_code"
],
"key_length": "12",
"ref": [
"webmarco.gpf.feature_id",
"webmarco.gp.product_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 15,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "15.59",
"eval_cost": "3.12",
"prefix_cost": "38.25",
"data_read_per_join": "12K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id",
"lang_code"
]
}
}
]
}
}
Result
feature_id |
product_id |
variant_id |
group_id |
548 |
152087 |
1362 |
2141 |
549 |
152087 |
1380 |
2141 |
548 |
152088 |
1362 |
2141 |
549 |
152088 |
1516 |
2141 |
548 |
152089 |
60012 |
2141 |
549 |
152089 |
1516 |
2141 |
548 |
152090 |
60011 |
2141 |
549 |
152090 |
1199 |
2141 |
548 |
152091 |
60012 |
2141 |
549 |
152091 |
1199 |
2141 |
548 |
152092 |
60011 |
2141 |
549 |
152092 |
1380 |
2141 |
548 |
152093 |
1362 |
2142 |
549 |
152093 |
1369 |
2142 |
548 |
152094 |
60012 |
2142 |
549 |
152094 |
1369 |
2142 |
548 |
152095 |
60012 |
2142 |
549 |
152095 |
7396 |
2142 |
548 |
152096 |
60013 |
2142 |
549 |
152096 |
7396 |
2142 |
548 |
152097 |
60014 |
2142 |
549 |
152097 |
7396 |
2142 |