使用TSQL计算运行余额

我需要一些关于运行余额的帮助。我已经得到了期末余额。但我也想创造初始平衡。我的余额是“386240.00”。在我的屏幕截图中，“运行”栏是结束余额。这是正确的，并从“Principal”中每行扣除。但是，当我尝试开始余额“bal_run”列时，计算应该基于“Principal”。 “bal_run”的第一行是正确的，但第二行应该比“Principal”的第一行更少。使用TSQL计算运行余额

我使用SQL Server 2014

CREATE PROC spAppPaymentSchedRB @RENum as varchar(150), @Amount as decimal(19, 6) 
AS 

--SET @Amount = @Amount - (-664250.000000 * -1.00) 

DECLARE @TotalAmount as money, @ItemCode as varchar(50), @BegBal as money 

SELECT @ItemCode = U_App_ItemCode FROM [@APP_OAMS] WHERE U_App_DocNum = @RENum 
SELECT @BegBal = U_APPRE_Begbal FROM OITM WHERE ItemCode = @ItemCode 

IF @BegBal > 0.00 
    BEGIN 
     SELECT @Amount = @BegBal 
    END 

;WITH schedRB as 
(
SELECT 
    U_App_RBTerm 'Term' 
    , a.U_App_DocNum 'Trans No.' 
    , IsNULL(CASE WHEN b.U_App_InvNo = 0 THEN '' ELSE b.U_App_InvNo END, '') 'Inv#' 
    , IsNULL(CASE WHEN b.U_App_PaymentNum = 0 THEN '' ELSE b.U_App_PaymentNum END, '') 'Payment#' 
    , U_App_RBDesc 'Description' 
    , U_App_RBDate 'Date' 
    , IsNULL(B2.SumApplied, U_APP_RBayment) 'Payment' /*BTG 3/16/2017 - Include total amount paid*/ 
    , U_APP_RBInterest 'Interest' 
    , U_APP_RBPrincipal 'Principal' 
    , U_APP_RBPRB 'Principal Running Bal.' 
    , U_APP_RBRRB 'Receivable Running Bal.' 
    , U_APP_PrincipalBal 'Principal_Balance' 
    , a.U_APP_UserSign 
    , a.Code 
    , a.U_App_LineNum 
    , a.U_App_VisOrder 
     FROM [@APP_TRBS] a 
      LEFT JOIN [@APP_AMS3](NOLOCK) b ON a.U_App_DocNum = b.U_App_DocNum AND a.U_App_VisOrder = b.U_App_VisOrder /*BTG 2/27/2017 - Old a.U_App_LineNum = b.U_App_LineNum */ 
      /*BTG 3/16/2017 - Include total amount paid*/ 
      LEFT JOIN ORCT B1 on b.U_App_PaymentNum = B1.DocNum 
      LEFT JOIN RCT2 B2 on B1.Docnum = b2.DocNum AND b.U_App_InvNo = b2.DocEntry /*BTG 2/27/2017 - added B.U_App_InvNo = b2.DocEntry for Filtering*/  
     WHERE (a.U_App_LineStatus <> 'Y' OR a.U_App_LineStatus IS NULL) AND a.U_App_DocNum = @RENum 

UNION ALL 

SELECT 
    b.U_App_RBTerm 'Term' 
    , a.U_App_DocNum 
    , '' 'Inv#' 
    , U_App_PaymentNum 'Payment#' 
    , '' 'Description' 
    , U_App_PCheckDate 'Date' 
    , U_App_PAmount 'Payment' 
    , 0.00 'Interest' 
    , 0.00 'Principal' 
    , 0.00 'Principal Running Bal.' 
    , 0.00 'Receivable Running Bal.' 
    , 0.00 'Principal_Balance' 
    , '' 'U_App_UserSign' 
    , '' 'Code' 
    , a.U_App_LineNum  
    , b.U_App_VisOrder 
     FROM [@APP_BMS3] a 
     INNER JOIN [@APP_TRBS] b ON a.U_App_DocNum = b.U_App_DocNum AND a.U_App_LineNum = b.U_App_LineNum AND a.U_App_DocNum = @RENum 
) 

    SELECT 
     Term 
     , [Trans No.] 
     , [Inv#] 
     , [Payment#] 
     , Description 
     , Date 
     , Payment 
     , Interest 
     , Principal 
     , CASE WHEN @Amount - sum(Principal) over (order by CAST(U_App_VisOrder as decimal(19, 2)) /*Date*/) < -100.00 THEN 0.00 ELSE @Amount - sum(Principal) over (order by CAST(U_App_VisOrder as decimal(19, 2)) /*Date*/) END as 'Principal Running Bal.' 
     , [Receivable Running Bal.] 
     , U_APP_UserSign 
     , Code 
     , U_App_LineNum 
     , U_App_VisOrder 
     , @Amount - CASE WHEN Description = 'Installment 1' THEN 0.00 ELSE sum(Principal_Balance) over (order by CAST(U_App_VisOrder as decimal(19, 2))/*Date*/) END 'bal_run' 
     , @Amount - sum(Principal) over (order by CAST(U_App_VisOrder as decimal(19, 2)) /*Date*/) 'run' 
     INTO #TEMP 
     FROM schedRB --WHERE U_App_LineNum <> 0 

     SELECT *, (SELECT TOP 1 run FROM #TEMP ORDER BY CAST(U_App_VisOrder as decimal(19, 2)) DESC) 'run2' FROM #TEMP 
      ORDER BY CAST(U_App_VisOrder as DECIMAL(19, 4)) 
     DROP TABLE #TEMP 
; 

GO 

/*How to use*/ 
EXEC spAppPaymentSchedRB '685', 386240.00

来源

2017-07-11 Gimo Gilmore

你使用什么数据库？ –

我正在使用SQL Server 2014. –

请查看：[运行总计的最佳方法]（https://sqlperformance.com/2012/07/t-sql-queries/running-totals） –

您可能需要使用一个窗口，像这样的总和：

@Amount - CASE WHEN Description = 'Installment 1' THEN 0.00 ELSE sum(Principal_Balance) over (order by CAST(U_App_VisOrder as decimal(19, 2)) 
ROWS BETWEEN UNBOUNDED PRECEDING AND 1 PRECEDING/*Date*/) END 'bal_run'

来源

2017-07-11 08:55:17 Jayvee

使用TSQL计算运行余额

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