我需要“打開”為 2 並單擊為 1 但現在我越來越喜歡打開為 5 並單擊為 2
"SELECT COALESCE(sum(requested),0) as requested, COALESCE(sum(processed),0) as processed, COALESCE(sum(open),0) as open, COALESCE(sum(click),0) as click, COALESCE(sum(dropped),0) as dropped, COALESCE(sum(delivered),0) as delivered, COALESCE(sum(spamreport),0) as spamreport, COALESCE(sum(deferred),0) as deferred, COALESCE(sum(bounce),0) as bounce, COALESCE(sum(unsubscribe),0) as unsubscribe FROM CAMPAIGN_REPORTS WHERE _kftCampaingID='".$campaignId."'"
sum()
按預期工作。如果您希望將 0 以上的任何值視為 1,請編寫以下 if 條件。話雖如此,coalesce
在這裡看起來是多餘的。