我有这张桌子item_log
:
fk_i_item_id 产品金额货币状态
$sales = $conn->osc_dbFetchResult("SELECT COUNT(status) FROM %st_item_log WHERE fk_i_item_id = '%s' AND status = 'COMPLETED'", DB_TABLE_PREFIX,osc_logged_user_id());
echo $sales['COUNT(status)']
我想在同一个回声中计算产品的总销售额。
前任
***********************************************************
fk_i_item_id product amount currency status
***********************************************************
20 Book 1 10 USD COMPLETED
21 Book 2 12 USD COMPLETED
20 Book 1 10 USD COMPLETED
23 Book 3 11 USD COMPLETED
我想要一个查询来计算数量或记录。
*******************************************************************
fk_i_item_id product amount currency status Sales
*******************************************************************
20 Book 1 10 USD COMPLETED 2
21 Book 2 12 USD COMPLETED 1
23 Book 3 11 USD COMPLETED 1