Query time 0.00105
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "118.03"
},
"nested_loop": [
{
"table": {
"table_name": "gpf",
"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": 8,
"rows_produced_per_join": 8,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "2.62",
"eval_cost": "1.60",
"prefix_cost": "4.22",
"data_read_per_join": "832"
},
"used_columns": [
"feature_id",
"group_id"
],
"attached_condition": "(`webmarco`.`gpf`.`group_id` in (9233,9234,9235,9236,9237,9238,9239,9240))"
}
},
{
"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": [
"webmarco.gpf.group_id"
],
"rows_examined_per_scan": 9,
"rows_produced_per_join": 75,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "8.07",
"eval_cost": "15.11",
"prefix_cost": "27.40",
"data_read_per_join": "1K"
},
"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": 75,
"filtered": "100.00",
"using_index": true,
"cost_info": {
"read_cost": "75.53",
"eval_cost": "15.11",
"prefix_cost": "118.03",
"data_read_per_join": "58K"
},
"used_columns": [
"feature_id",
"product_id",
"variant_id",
"lang_code"
]
}
}
]
}
}
Result
feature_id |
product_id |
variant_id |
group_id |
626 |
395983 |
7159 |
9233 |
626 |
395984 |
7160 |
9233 |
626 |
395985 |
7161 |
9233 |
626 |
395986 |
7162 |
9233 |
626 |
395987 |
7163 |
9233 |
626 |
395988 |
7164 |
9233 |
626 |
395989 |
7163 |
9234 |
626 |
395990 |
7168 |
9234 |
626 |
395991 |
7169 |
9234 |
626 |
395992 |
7164 |
9234 |
626 |
395993 |
7165 |
9234 |
626 |
395994 |
7166 |
9234 |
626 |
395995 |
7167 |
9234 |
626 |
395996 |
7160 |
9235 |
626 |
395997 |
7161 |
9235 |
626 |
395998 |
7162 |
9235 |
626 |
395999 |
7163 |
9235 |
626 |
396000 |
7164 |
9235 |
626 |
396001 |
7165 |
9235 |
626 |
396002 |
7164 |
9236 |
626 |
396003 |
7165 |
9236 |
626 |
396004 |
7166 |
9236 |
626 |
396005 |
7167 |
9236 |
626 |
396006 |
7163 |
9237 |
626 |
396007 |
7168 |
9237 |
626 |
396008 |
7169 |
9237 |
626 |
396009 |
7164 |
9237 |
626 |
396010 |
7165 |
9237 |
626 |
396011 |
7166 |
9237 |
626 |
396012 |
7167 |
9237 |
626 |
396013 |
7163 |
9238 |
626 |
396014 |
7164 |
9238 |
626 |
396015 |
7165 |
9238 |
626 |
396016 |
7166 |
9238 |
626 |
396017 |
7167 |
9238 |
626 |
396018 |
7159 |
9239 |
626 |
396019 |
7160 |
9239 |
626 |
396020 |
7161 |
9239 |
626 |
396021 |
7162 |
9239 |
626 |
396022 |
7163 |
9239 |
626 |
396023 |
7164 |
9239 |
626 |
396024 |
7165 |
9239 |
626 |
396025 |
7166 |
9239 |
626 |
396027 |
67587 |
9240 |
626 |
396028 |
7159 |
9240 |
626 |
396029 |
7160 |
9240 |
626 |
396030 |
7161 |
9240 |
626 |
396031 |
7162 |
9240 |
626 |
396032 |
7163 |
9240 |
626 |
396033 |
7164 |
9240 |
626 |
396034 |
7165 |
9240 |
626 |
396035 |
7166 |
9240 |