Query time 0.00066
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "26.02"
},
"nested_loop": [
{
"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": [
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 1,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "1.00",
"eval_cost": "0.20",
"prefix_cost": "1.20",
"data_read_per_join": "104"
},
"used_columns": [
"feature_id",
"group_id"
]
}
},
{
"table": {
"table_name": "gp",
"access_type": "ref",
"possible_keys": [
"PRIMARY",
"idx_group_id"
],
"key": "idx_group_id",
"used_key_parts": [
"group_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 17,
"rows_produced_per_join": 17,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "1.02",
"eval_cost": "3.40",
"prefix_cost": "5.62",
"data_read_per_join": "272"
},
"used_columns": [
"product_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": 17,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "17.00",
"eval_cost": "3.40",
"prefix_cost": "26.02",
"data_read_per_join": "13K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id",
"lang_code"
]
}
}
]
}
}
Result
feature_id |
product_id |
variant_id |
group_id |
1004 |
277743 |
64499 |
7109 |
1004 |
277744 |
64501 |
7109 |
1004 |
277745 |
64502 |
7109 |
1004 |
277746 |
64503 |
7109 |
1004 |
277747 |
64504 |
7109 |
1004 |
277748 |
64505 |
7109 |
1004 |
277749 |
64506 |
7109 |
1004 |
277750 |
64507 |
7109 |
1004 |
277751 |
64500 |
7109 |
1004 |
286552 |
64825 |
7109 |
1004 |
286553 |
64827 |
7109 |
1004 |
286554 |
64828 |
7109 |
1004 |
286555 |
64829 |
7109 |
1004 |
286556 |
64830 |
7109 |
1004 |
286557 |
64831 |
7109 |
1004 |
286558 |
64832 |
7109 |
1004 |
286559 |
64493 |
7109 |