借方贷方查询但日期相同

Question

我在从借方贷方记录中获取余额时遇到问题。但是在我的表中日期是相同的，但借方贷方是不同的。

declare @StartDate Datetime = '2018-11-03';
declare @EndDate Datetime = '2018-11-03';
Select 
        y.Description,
        y.DateTime, 
        y.Credit, 
        y.Debit,
        SUM(ISNULL(x.Debit, 0) - ISNULL(x.Credit, 0))  AS Balance
    FROM Accounts x 
    INNER JOIN Accounts y ON x.DateTime <= y.DateTime
    WHERE 
            CONVERT(date, y.DateTime) >= CONVERT(date, @StartDate) 
        AND 
            CONVERT(date, y.DateTime) <= CONVERT(date, @EndDate)

    GROUP BY
        y.DateTime, 
        y.Credit, 
        y.Debit,
        y.Description
    Order By
        y.DateTime

我的结果不是我想要的。

Answer 1

您可以通过使用窗口功能来实现

select 
   DateTime, 
   Credit, 
   Debit, 
   (select sum(Debit - Credit) from Account a where a.Datetime < t.DateTime) +
   Sum(Debit - Credit) Over (Order by DateTime) balance
from Account t

Answer 2

如果我正确阅读了您的问题和评论，这就是您想要的：

declare @StartDate Datetime = '2017-11-03';
declare @EndDate Datetime = '2019-11-03';

Select DateTime, Credit, Debit
     , -- Get the prior Balance
       (select sum(ISNULL(Debit, 0) - ISNULL(Credit, 0))
          from Account p
         where CONVERT(date, p.DateTime) < CONVERT(date, @StartDate))
       -- and add it to the running total
     + sum(ISNULL(t.Debit, 0) - ISNULL(t.Credit, 0))
       over (order by DateTime, id) Balance
  from Account T
 where CONVERT(date, DateTime) >= CONVERT(date, @StartDate) 
   and CONVERT(date, DateTime) <= CONVERT(date, @EndDate)
 order by DateTime, ID

Answer 3

USE [YourDataBase]
GO
/****** Object:  StoredProcedure [dbo].[Balance_Sheet]    Script Date: 5/16/2019 3:13:53 PM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO

ALTER PROCEDURE [dbo].[Balance_Sheet]
	@StartDate datetime,
    @EndDate datetime
AS
BEGIN
	
 
Select 
	
    x.DateTime, 
    x.Comments,
    x.Credit, 
    x.Debit, 
    SUM(coalesce(y.Credit, 0) - coalesce(y.Debit, 0))  AS Balance
FROM Balance x 
INNER JOIN Balance y
    ON y.DateTime <= x.DateTime
   where x.DateTime >=dateadd(day,datediff(day,0,@StartDate),0) and x.DateTime<dateadd(day,datediff(day,0,@EndDate)+1,0)
	
GROUP BY
    x.DateTime, 
    x.Credit, 
    x.Debit,
	x.Comments

END