Query time 0.00049
JSON explain
{
"query_block": {
"select_id": 1,
"cost_info": {
"query_cost": "7.71"
},
"grouping_operation": {
"using_filesort": false,
"nested_loop": [
{
"table": {
"table_name": "cscart_master_products_storefront_min_price",
"access_type": "system",
"possible_keys": [
"PRIMARY"
],
"rows_examined_per_scan": 0,
"rows_produced_per_join": 1,
"filtered": "0.00",
"const_row_not_found": true,
"cost_info": {
"read_cost": "0.00",
"eval_cost": "0.10",
"prefix_cost": "0.00",
"data_read_per_join": "16"
},
"used_columns": [
"storefront_id",
"product_id",
"price"
]
}
},
{
"table": {
"table_name": "cscart_product_prices",
"access_type": "range",
"possible_keys": [
"usergroup",
"product_id",
"lower_limit",
"usergroup_id"
],
"key": "product_id",
"used_key_parts": [
"product_id"
],
"key_length": "3",
"rows_examined_per_scan": 11,
"rows_produced_per_join": 2,
"filtered": "20.00",
"index_condition": "(`s2cart`.`cscart_product_prices`.`product_id` in (276541,276542,276543,276544,276545,276547,276549,276551,276553,276573,276575))",
"cost_info": {
"read_cost": "7.49",
"eval_cost": "0.22",
"prefix_cost": "7.71",
"data_read_per_join": "52"
},
"used_columns": [
"product_id",
"price",
"percentage_discount",
"lower_limit",
"usergroup_id"
],
"attached_condition": "((`s2cart`.`cscart_product_prices`.`lower_limit` = 1) and (`s2cart`.`cscart_product_prices`.`usergroup_id` in (0,1)))"
}
}
]
}
}
}
Result
product_id |
price |
276541 |
0.00000000 |
276542 |
0.00000000 |
276543 |
0.00000000 |
276544 |
0.00000000 |
276545 |
0.00000000 |
276547 |
0.00000000 |
276549 |
0.00000000 |
276551 |
0.00000000 |
276553 |
0.00000000 |
276573 |
0.00000000 |
276575 |
0.00000000 |