Query time 0.00075
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "43.03"
},
"nested_loop": [
{
"table": {
"table_name": "p",
"access_type": "range",
"possible_keys": [
"PRIMARY",
"idx_group_id"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"rows_examined_per_scan": 10,
"rows_produced_per_join": 10,
"filtered": "100.00",
"cost_info": {
"read_cost": "12.02",
"eval_cost": "2.00",
"prefix_cost": "14.02",
"data_read_per_join": "160"
},
"used_columns": [
"product_id",
"parent_product_id",
"group_id"
],
"attached_condition": "(`webmarco`.`p`.`product_id` in (371848,371936,377755,371912,372021,377735,371917,371905,371984,371843))"
}
},
{
"table": {
"table_name": "g",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"id"
],
"key_length": "3",
"ref": [
"webmarco.p.group_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 10,
"filtered": "100.00",
"cost_info": {
"read_cost": "10.00",
"eval_cost": "2.00",
"prefix_cost": "26.02",
"data_read_per_join": "3K"
},
"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": "3",
"ref": [
"webmarco.p.group_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 14,
"filtered": "100.00",
"cost_info": {
"read_cost": "14.17",
"eval_cost": "2.83",
"prefix_cost": "43.03",
"data_read_per_join": "1K"
},
"used_columns": [
"feature_id",
"purpose",
"group_id"
]
}
}
]
}
}
Result
feature_id |
purpose |
product_id |
parent_product_id |
id |
code |
939 |
group_variation_catalog_item |
371843 |
0 |
8354 |
PV-F4B4CE11E |
939 |
group_variation_catalog_item |
371848 |
0 |
8355 |
PV-332240118 |
939 |
group_variation_catalog_item |
371905 |
0 |
8365 |
PV-A538EBD6A |
939 |
group_variation_catalog_item |
371912 |
0 |
8367 |
PV-04009CD50 |
939 |
group_variation_catalog_item |
371917 |
0 |
8368 |
PV-53AAA6B5C |
939 |
group_variation_catalog_item |
371936 |
0 |
8373 |
PV-3499BDB14 |
939 |
group_variation_catalog_item |
371984 |
0 |
8378 |
PV-2FAAFCA97 |
939 |
group_variation_catalog_item |
372021 |
0 |
8380 |
PV-3E77AAF42 |
939 |
group_variation_catalog_item |
377735 |
0 |
8369 |
PV-B95FA14FE |
939 |
group_variation_catalog_item |
377755 |
0 |
8370 |
PV-3E31FBF12 |