Query time 0.00076
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "28.71"
},
"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": 23,
"rows_produced_per_join": 23,
"filtered": "100.00",
"index_condition": "(`betaatif_store`.`gp`.`group_id` in (14,16,17,18,19,20,21,6,3))",
"cost_info": {
"read_cost": "10.31",
"eval_cost": "2.30",
"prefix_cost": "12.61",
"data_read_per_join": "368"
},
"used_columns": [
"product_id",
"group_id"
]
}
},
{
"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": [
"betaatif_store.gp.group_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 23,
"filtered": "100.00",
"cost_info": {
"read_cost": "5.75",
"eval_cost": "2.30",
"prefix_cost": "20.66",
"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": [
"betaatif_store.gpf.feature_id",
"betaatif_store.gp.product_id",
"const"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 23,
"filtered": "100.00",
"cost_info": {
"read_cost": "5.75",
"eval_cost": "2.30",
"prefix_cost": "28.71",
"data_read_per_join": "17K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id",
"lang_code"
]
}
}
]
}
}
Result
feature_id |
product_id |
variant_id |
group_id |
2 |
124 |
12 |
3 |
2 |
378 |
8 |
3 |
2 |
379 |
9 |
3 |
2 |
391 |
8 |
6 |
2 |
394 |
9 |
6 |
2 |
393 |
12 |
6 |
2 |
418 |
6 |
14 |
2 |
448 |
7 |
14 |
2 |
420 |
9 |
14 |
2 |
424 |
6 |
16 |
2 |
447 |
7 |
16 |
2 |
426 |
9 |
16 |
2 |
427 |
6 |
17 |
2 |
446 |
7 |
17 |
2 |
429 |
9 |
17 |
2 |
430 |
6 |
18 |
2 |
445 |
7 |
18 |
2 |
432 |
9 |
18 |
2 |
433 |
6 |
19 |
2 |
444 |
7 |
19 |
2 |
435 |
9 |
19 |
2 |
436 |
6 |
20 |
2 |
443 |
7 |
20 |
2 |
438 |
9 |
20 |
2 |
439 |
6 |
21 |
2 |
442 |
7 |
21 |
2 |
441 |
9 |
21 |