Query time 0.00084
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "59.44"
},
"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": 2,
"rows_produced_per_join": 2,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "1.00",
"eval_cost": "0.40",
"prefix_cost": "1.40",
"data_read_per_join": "208"
},
"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": 20,
"rows_produced_per_join": 40,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "2.04",
"eval_cost": "8.00",
"prefix_cost": "11.44",
"data_read_per_join": "640"
},
"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": 40,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "40.00",
"eval_cost": "8.00",
"prefix_cost": "59.44",
"data_read_per_join": "30K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id",
"lang_code"
]
}
}
]
}
}
Result
feature_id |
product_id |
variant_id |
group_id |
626 |
431542 |
7161 |
10688 |
626 |
431543 |
7168 |
10688 |
626 |
431544 |
7169 |
10688 |
626 |
431545 |
7170 |
10688 |
626 |
431546 |
7162 |
10688 |
626 |
431547 |
7163 |
10688 |
626 |
431548 |
7164 |
10688 |
626 |
431549 |
7165 |
10688 |
626 |
431550 |
7166 |
10688 |
626 |
431551 |
7167 |
10688 |
626 |
431677 |
7168 |
10688 |
626 |
431678 |
7169 |
10688 |
626 |
431679 |
7170 |
10688 |
626 |
431680 |
7161 |
10688 |
626 |
431681 |
7162 |
10688 |
626 |
431682 |
7163 |
10688 |
626 |
431683 |
7164 |
10688 |
626 |
431684 |
7165 |
10688 |
626 |
431685 |
7166 |
10688 |
626 |
431686 |
7167 |
10688 |
860 |
431542 |
64475 |
10688 |
860 |
431543 |
64475 |
10688 |
860 |
431544 |
64475 |
10688 |
860 |
431545 |
64475 |
10688 |
860 |
431546 |
64475 |
10688 |
860 |
431547 |
64475 |
10688 |
860 |
431548 |
64475 |
10688 |
860 |
431549 |
64475 |
10688 |
860 |
431550 |
64475 |
10688 |
860 |
431551 |
64475 |
10688 |
860 |
431677 |
64236 |
10688 |
860 |
431678 |
64236 |
10688 |
860 |
431679 |
64236 |
10688 |
860 |
431680 |
64236 |
10688 |
860 |
431681 |
64236 |
10688 |
860 |
431682 |
64236 |
10688 |
860 |
431683 |
64236 |
10688 |
860 |
431684 |
64236 |
10688 |
860 |
431685 |
64236 |
10688 |
860 |
431686 |
64236 |
10688 |