Query time 0.00103
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "45.43"
},
"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": 15,
"rows_produced_per_join": 30,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "2.03",
"eval_cost": "6.00",
"prefix_cost": "9.43",
"data_read_per_join": "480"
},
"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": 30,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "30.00",
"eval_cost": "6.00",
"prefix_cost": "45.43",
"data_read_per_join": "23K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id",
"lang_code"
]
}
}
]
}
}
Result
feature_id |
product_id |
variant_id |
group_id |
649 |
264156 |
62612 |
7014 |
649 |
264927 |
62608 |
7014 |
649 |
264928 |
62609 |
7014 |
649 |
264929 |
62610 |
7014 |
649 |
264930 |
62611 |
7014 |
649 |
264931 |
62608 |
7014 |
649 |
264932 |
62609 |
7014 |
649 |
264933 |
62610 |
7014 |
649 |
264934 |
62611 |
7014 |
649 |
264935 |
62612 |
7014 |
649 |
264950 |
62608 |
7014 |
649 |
264951 |
62609 |
7014 |
649 |
264952 |
62610 |
7014 |
649 |
264953 |
62611 |
7014 |
649 |
264954 |
62612 |
7014 |
882 |
264156 |
60392 |
7014 |
882 |
264927 |
60392 |
7014 |
882 |
264928 |
60392 |
7014 |
882 |
264929 |
60392 |
7014 |
882 |
264930 |
60392 |
7014 |
882 |
264931 |
60401 |
7014 |
882 |
264932 |
60401 |
7014 |
882 |
264933 |
60401 |
7014 |
882 |
264934 |
60401 |
7014 |
882 |
264935 |
60401 |
7014 |
882 |
264950 |
60412 |
7014 |
882 |
264951 |
60412 |
7014 |
882 |
264952 |
60412 |
7014 |
882 |
264953 |
60412 |
7014 |
882 |
264954 |
60412 |
7014 |