Query time 0.00219
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "61.95"
},
"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": 18,
"rows_produced_per_join": 18,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "4.63",
"eval_cost": "3.60",
"prefix_cost": "8.23",
"data_read_per_join": "288"
},
"used_columns": [
"product_id",
"group_id"
],
"attached_condition": "(`webmarco`.`gp`.`group_id` in (2011,1075,1077,2009,1079))"
}
},
{
"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": 25,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "18.01",
"eval_cost": "5.10",
"prefix_cost": "31.34",
"data_read_per_join": "2K"
},
"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": 25,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "25.51",
"eval_cost": "5.10",
"prefix_cost": "61.95",
"data_read_per_join": "19K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id",
"lang_code"
]
}
}
]
}
}
Result
feature_id |
product_id |
variant_id |
group_id |
549 |
81624 |
1495 |
1075 |
549 |
81625 |
1199 |
1075 |
549 |
81627 |
1515 |
1075 |
549 |
81634 |
1368 |
1077 |
549 |
81636 |
1495 |
1077 |
549 |
81655 |
1199 |
1079 |
549 |
81657 |
1495 |
1079 |
548 |
81647 |
1193 |
2009 |
549 |
81647 |
1495 |
2009 |
548 |
149123 |
1195 |
2009 |
549 |
149123 |
1495 |
2009 |
548 |
149124 |
1194 |
2009 |
549 |
149124 |
1495 |
2009 |
548 |
149125 |
1193 |
2009 |
549 |
149125 |
1199 |
2009 |
548 |
149126 |
1195 |
2009 |
549 |
149126 |
1199 |
2009 |
548 |
149127 |
1194 |
2009 |
549 |
149127 |
1199 |
2009 |
548 |
149128 |
1193 |
2009 |
549 |
149128 |
1498 |
2009 |
548 |
149129 |
1195 |
2009 |
549 |
149129 |
1498 |
2009 |
548 |
149130 |
1194 |
2009 |
549 |
149130 |
1498 |
2009 |
548 |
81611 |
1465 |
2011 |
549 |
81611 |
37919 |
2011 |
548 |
149176 |
1465 |
2011 |
549 |
149176 |
1199 |
2011 |