Query time 0.00072
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "76.81"
},
"nested_loop": [
{
"table": {
"table_name": "p",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"idx_group_id"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "4",
"rows_examined_per_scan": 16,
"rows_produced_per_join": 16,
"filtered": "100.00",
"index_condition": "(`portal`.`p`.`product_id` in (2393,2394,2396,2397,2398,2399,2403,2020,2032,2042,2058,1848,1856,1868,1878,1886))",
"cost_info": {
"read_cost": "35.21",
"eval_cost": "3.20",
"prefix_cost": "38.41",
"data_read_per_join": "256"
},
"used_columns": [
"product_id",
"parent_product_id",
"group_id"
]
}
},
{
"table": {
"table_name": "g",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"id"
],
"key_length": "4",
"ref": [
"portal.p.group_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "16.00",
"eval_cost": "3.20",
"prefix_cost": "57.61",
"data_read_per_join": "12K"
},
"used_columns": [
"id",
"code"
]
}
},
{
"table": {
"table_name": "f",
"access_type": "ref",
"possible_keys": [
"idx_group_id"
],
"key": "idx_group_id",
"used_key_parts": [
"group_id"
],
"key_length": "4",
"ref": [
"portal.p.group_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 16,
"filtered": "100.00",
"cost_info": {
"read_cost": "16.00",
"eval_cost": "3.20",
"prefix_cost": "76.81",
"data_read_per_join": "1K"
},
"used_columns": [
"feature_id",
"purpose",
"group_id"
]
}
}
]
}
}
Result
feature_id |
purpose |
product_id |
parent_product_id |
id |
code |
74 |
group_variation_catalog_item |
1848 |
0 |
5 |
PV-3170267A4 |
73 |
group_variation_catalog_item |
1848 |
0 |
5 |
PV-3170267A4 |
74 |
group_variation_catalog_item |
1856 |
0 |
6 |
PV-1515300C7 |
73 |
group_variation_catalog_item |
1856 |
0 |
6 |
PV-1515300C7 |
74 |
group_variation_catalog_item |
1868 |
0 |
8 |
PV-B2F374152 |
73 |
group_variation_catalog_item |
1868 |
0 |
8 |
PV-B2F374152 |
74 |
group_variation_catalog_item |
1878 |
0 |
9 |
PV-5E5DA4BCD |
73 |
group_variation_catalog_item |
1878 |
0 |
9 |
PV-5E5DA4BCD |
74 |
group_variation_catalog_item |
1886 |
0 |
10 |
PV-2AB3267FF |
73 |
group_variation_catalog_item |
1886 |
0 |
10 |
PV-2AB3267FF |
74 |
group_variation_catalog_item |
2020 |
0 |
7 |
PV-AE543D034 |
73 |
group_variation_catalog_item |
2020 |
0 |
7 |
PV-AE543D034 |
74 |
group_variation_catalog_item |
2032 |
0 |
18 |
PV-9A6B77362 |
73 |
group_variation_catalog_item |
2032 |
0 |
18 |
PV-9A6B77362 |
74 |
group_variation_catalog_item |
2042 |
0 |
20 |
PV-027247A48 |
73 |
group_variation_catalog_item |
2042 |
0 |
20 |
PV-027247A48 |
73 |
group_variation_catalog_item |
2058 |
0 |
19 |
PV-145E91813 |
73 |
group_variation_catalog_item |
2394 |
0 |
25 |
PV-9D5AEDE21 |
73 |
group_variation_catalog_item |
2399 |
0 |
24 |
PV-AD567B3E0 |
73 |
group_variation_catalog_item |
2403 |
0 |
23 |
PV-114D4CBFC |