Query time 0.00090
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "86.04"
},
"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": 20,
"rows_produced_per_join": 20,
"filtered": "100.00",
"cost_info": {
"read_cost": "24.03",
"eval_cost": "4.00",
"prefix_cost": "28.03",
"data_read_per_join": "320"
},
"used_columns": [
"product_id",
"parent_product_id",
"group_id"
],
"attached_condition": "(`webmarco`.`p`.`product_id` in (309587,359772,309590,359805,309585,359808,309561,359744,309550,359752,359758,366904,389637,359478,415577,391690,309567,359747,359740,415550))"
}
},
{
"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": 20,
"filtered": "100.00",
"cost_info": {
"read_cost": "20.00",
"eval_cost": "4.00",
"prefix_cost": "52.03",
"data_read_per_join": "7K"
},
"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": 28,
"filtered": "100.00",
"cost_info": {
"read_cost": "28.34",
"eval_cost": "5.67",
"prefix_cost": "86.04",
"data_read_per_join": "2K"
},
"used_columns": [
"feature_id",
"purpose",
"group_id"
]
}
}
]
}
}
Result
feature_id |
purpose |
product_id |
parent_product_id |
id |
code |
860 |
group_variation_catalog_item |
309567 |
0 |
7560 |
PV-76FA2A4F2 |
860 |
group_variation_catalog_item |
309585 |
0 |
7567 |
PV-074F6C61A |
860 |
group_variation_catalog_item |
309587 |
0 |
7568 |
PV-B8210268A |
860 |
group_variation_catalog_item |
309590 |
0 |
7569 |
PV-5CE76358C |
860 |
group_variation_catalog_item |
359478 |
0 |
7571 |
PV-65D409299 |
860 |
group_variation_catalog_item |
359740 |
0 |
7597 |
PV-7373D7846 |
548 |
group_variation_catalog_item |
359744 |
0 |
7598 |
PV-B5A8DD285 |
548 |
group_variation_catalog_item |
359752 |
0 |
7600 |
PV-599A6C7DD |
860 |
group_variation_catalog_item |
359758 |
0 |
7602 |
PV-D9B8C456D |
860 |
group_variation_catalog_item |
359772 |
0 |
7607 |
PV-FD06EB8A2 |
548 |
group_variation_catalog_item |
359805 |
0 |
7579 |
PV-B61B324FA |
860 |
group_variation_catalog_item |
359805 |
0 |
7579 |
PV-B61B324FA |
860 |
group_variation_catalog_item |
359808 |
0 |
7559 |
PV-B2CAA150C |