{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "2.10"
},
"nested_loop": [
{
"table": {
"table_name": "gp",
"access_type": "ref",
"possible_keys": [
"idx_group_id"
],
"key": "idx_group_id",
"used_key_parts": [
"group_id"
],
"key_length": "3",
"ref": [
"const"
],
"rows_examined_per_scan": 3,
"rows_produced_per_join": 3,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.75",
"eval_cost": "0.30",
"prefix_cost": "1.05",
"data_read_per_join": "48"
},
"used_columns": [
"product_id",
"parent_product_id",
"group_id"
]
}
},
{
"table": {
"table_name": "p",
"access_type": "eq_ref",
"possible_keys": [
"PRIMARY"
],
"key": "PRIMARY",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"ref": [
"cscartdb.gp.product_id"
],
"rows_examined_per_scan": 1,
"rows_produced_per_join": 3,
"filtered": "100.00",
"cost_info": {
"read_cost": "0.75",
"eval_cost": "0.30",
"prefix_cost": "2.10",
"data_read_per_join": "16K"
},
"used_columns": [
"product_id",
"company_id"
]
}
}
]
}
}
product_id | parent_product_id | group_id | company_id |
---|---|---|---|
13190 | 0 | 415 | 112 |
16313 | 13190 | 415 | 112 |
16314 | 13190 | 415 | 112 |
16315 | 13190 | 415 | 112 |