SQL一次性查詢一個字段不同條件下的統計結果
阿新 • • 發佈:2018-05-31
類型 bubuko detail 根據 ron tps AI AS HERE
參考了一下這篇文章:https://blog.csdn.net/xichenguan/article/details/51764100 , 感謝原作者
有兩個表,分別存放了【操作員】和【單據】,要根據單據的不同類型來分類匯總(銷售單、銷售退貨單,筆數和金額),並且顯示在同一張表裏,不想用做兩次查詢再合並的方法,研究了一下,終於搞定:
d_employee表
d_bilndx表
代碼如下:
select b.inputid as 開單員編號, e.fullname as 開單員, isnull( ( select count(*) from d_bilndxwhere draft=3 and biltype=12 and d_bilndx.inputid=e.id ), 0) as ‘銷售開單筆數‘, isnull( ( select sum(d_bilndx.amount) from d_bilndx where draft=3 and biltype=12 and d_bilndx.inputid=e.id ), 0) as ‘銷售開單金額‘, isnull( ( select count(*) from d_bilndxwhere draft=3 and biltype=13 and d_bilndx.inputid=e.id ), 0) as ‘銷售退單筆數‘, isnull( ( select sum(d_bilndx.amount) from d_bilndx where draft=3 and biltype=13 and d_bilndx.inputid=e.id ), 0) as ‘銷售退單金額‘, count(b.biltype) as 開單總筆數, sum(b.Amount) as開單金額 from d_bilndx as b left join d_employee as e on b.inputid=e.id where b.draft=3 and ( b.biltype=12 or b.biltype=13 ) group by b.inputid, e.fullname, e.id
得到完美結果:
SQL一次性查詢一個字段不同條件下的統計結果