mysql - 查找已支付和待处理的金额

Question

我是 Mysql Db 中的一只新蜜蜂，你能帮我从我当前的表中获取 ginven 输出吗？

请检查表结构和输出的给定链接

Answer 1

使用GROUP BY, SUM, And CASE(或 IF):

SELECT Buyer, TotalAmount, PaidAmount, TotalAmount-PaidAmount BalanceAmount
FROM (
  SELECT Buyer, 
    SUM(Amount) TotalAmount, 
    SUM(CASE WHEN PaidStatus = 1 THEN Amount ELSE 0 END) PaidAmount
  FROM YourTable
  GROUP BY Buyer
  ) t

样品小提琴