SQL SERVER 存储过程 多行数据不同的时间段进行合并,有什么便捷的实现方法吗?

问题遇到的现象和发生背景

问题相关代码，请勿粘贴截图

DECLARE
@OperatorPointCode    NVARCHAR(32) = 'JCFT' ,
@OperatorCode        NVARCHAR(32) =  'JCFT' ,
@PointCode            NVARCHAR(32) =  'JCFT' ,
@BeginDT         DATETIME='2022-3-2',
@EndDT         DATETIME=NULL,
@SearchFlag            INT = 0
BEGIN

    IF @PointCode IS NULL OR @PointCode = ''
    SET @PointCode = @OperatorPointCode


    DECLARE @PayPrice DECIMAL(15,2)
    
    IF @BeginDT IS NULL 
    SET @BeginDT = '1900-01-01'
    SET @BeginDT = CONVERT(NCHAR(11),@BeginDT ,120) + '00:00:00'    
    
    IF @EndDT IS NULL
    SET @EndDT = GETDATE()
    SET @EndDT = CONVERT(NCHAR(11),@EndDT ,120) + ' 23:59:59:998'

     SELECT 
    COUNT(1) AS 序号,
    T.[网点号] AS 网点号,
    T.[网点名称] AS 网点名称,
    T.[业务类型] AS 业务类型,
    T.[收款日期] AS 收款日期,
    SUM(T.[收款金额]) AS 收款金额,
    T.[支付方式] AS 支付方式,
    SUM(T.[支付金额]) AS 支付金额
    INTO #PayDetail
    FROM 
    (
    
--备件用品
       SELECT 
          --ROW_NUMBER() OVER(ORDER BY S1.SerialNo) 序号,
          S1.PointCode  AS 网点号,
          B.PayBillCode AS 收款单号,
          S1.SerialNo    AS 业务单号,
          T_PointInfo.PointName  AS 网点名称,
          '备件/用品销售' 业务类型,
          CONVERT(NVARCHAR(10),ISNULL(B.BusinessDT,S1.PayDT),120)  AS 收款日期,
          CAST (ISNULL(S1.PayBalance,B.PayBalance) AS  NUMERIC(15,5))AS 收款金额,
          CASE WHEN ISNULL(T_TY_PayMentDetail.PayWay,'') = '' THEN '其他' ELSE ISNULL(T_TY_PayMentDetail.PayWay,'') END AS 支付方式,
          CAST (ISNULL(T_TY_PayMentDetail.PayBalance,0) AS NUMERIC(15,5)) AS 支付金额
           
        FROM T_SparepartsPaymentDetail S1 WITH (NOLOCK)
        LEFT JOIN T_PointInfo  WITH(NOLOCK)   ON (T_PointInfo.PointCode = S1.PointCode)
        LEFT JOIN (SELECT * FROM T_TY_PayMent WITH (NOLOCK) WHERE BillType='SparepartsPay') B ON S1.PointCode=B.PointCode AND S1.SerialNo= B.BillCode
        LEFT JOIN T_TY_PayMentDetail WITH (NOLOCK) ON B.PointCode=T_TY_PayMentDetail.PointCode AND B.BillCode=T_TY_PayMentDetail.BillCode AND B.BillType = T_TY_PayMentDetail.BillType
       
        WHERE (S1.PointCode IN (SELECT PointCode FROM DBO.F_GetRelationPointCollection(@PointCode, 1, 1, -1 * ISNULL(@SearchFlag, 0), 1))) 
        AND (ISNULL(B.BusinessDT,S1.PayDT) BETWEEN @BeginDT AND @EndDT)

         UNION       
     --整车销售
          SELECT 
          C2.PointCode  AS 网点号,
          B.PayBillCode AS 收款单号,
          CS_T.SaleBillCode AS 业务单号,
          T_PointInfo.PointName  AS 网点名称,
           '整车销售' 业务类型,
          CONVERT(NVARCHAR(10),ISNULL(CS_T.BalanceDT,Bmin.BusinessDT),120)  AS 收款日期,
          CAST (ISNULL(Bmin.PayBalance,CS_T.PayedSaleTotalSale) AS  NUMERIC(15,5))AS 收款金额,
          CASE WHEN ISNULL(C2.PayWay,'') = '' THEN '其他' ELSE ISNULL(C2.PayWay,'') END AS 支付方式,
          CAST (ISNULL(Bmin.PayBalance,C2.PayBalance) AS NUMERIC(15,5)) AS 支付金额
         
          FROM T_TY_PayMentDetail C2 WITH (NOLOCK)
          LEFT JOIN T_PointInfo  WITH(NOLOCK)   ON (T_PointInfo.PointCode = C2.PointCode) 
          LEFT JOIN 
          (SELECT PointCode,BillCode,BillType, MIN(PayBillCode) AS PayBillCode
          FROM T_TY_PayMent 
          WITH (NOLOCK) WHERE BillType='CarSales'
          GROUP BY PointCode,BillCode,BillType
          )AS B ON C2.PointCode=B.PointCode AND C2.BillCode= B.BillCode AND B.BillType = C2.BillType
          LEFT JOIN T_TY_PayMent Bmin ON Bmin.PointCode=B.PointCode AND Bmin.BillCode=B.BillCode AND Bmin.PayBillCode=B.PayBillCode
          LEFT JOIN T_CS_CarSaleBillDetail CS_T WITH (NOLOCK) ON C2.PointCode=CS_T.PointCode AND C2.BillCode=CS_T.SaleBillCode
          LEFT JOIN T_CS_CarSaleBill CS_T1 WITH (NOLOCK) ON CS_T1.PointCode=CS_T.PointCode AND CS_T1.SaleBillCode=CS_T.SaleBillCode 
          LEFT JOIN (SELECT PointCode,BillType,BillCode,MAX(Status) Status
                     FROM T_TY_OperateStatusSummaryInfo WITH(NOLOCK)
                     WHERE BillType='CarSales'
                     GROUP BY PointCode,BillType,BillCode) CS_T2 ON CS_T1.PointCode=CS_T2.PointCode AND CS_T1.SaleBillCode=CS_T2.BillCode
          LEFT JOIN T_TY_StatusChangeInfo CS_T3  WITH(NOLOCK) ON CS_T2.BillType=CS_T3.BillType AND CS_T2.Status=CS_T3.Status
          WHERE (C2.PointCode IN (SELECT PointCode FROM DBO.F_GetRelationPointCollection(@PointCode, 1, 1, -1 * ISNULL(@SearchFlag, 0), 1))) 
          AND (ISNULL(CS_T1.Status,0) >= 1 AND ISNULL(CS_T3.StatusDescription,'')='财务收款' AND C2.BillType='CarSales')
          AND (ISNULL(CS_T.BalanceDT,Bmin.BusinessDT) BETWEEN @BeginDT AND @EndDT)

    )AS T
    GROUP BY 
    T.网点号,
    T.[网点名称],
    T.[业务类型] ,
    T.[收款日期],
    T.[支付方式]
   
    
    SELECT 
    [收款金额]
    INTO #SumPrice 
    FROM #PayDetail
    GROUP BY [收款金额]
    SELECT  @PayPrice=SUM([收款金额]) FROM #SumPrice
    
   
    
    SELECT * 
    FROM #PayDetail
    UNION ALL
        SELECT 
           NULL AS 序号,
          NULL AS 网点号,
          NULL  AS 网点名称,
          NULL AS 业务类型,
          NULL AS 收款日期,
          @PayPrice AS 收款金额,
          [支付方式],
          SUM([支付金额]) AS 支付金额
        FROM #PayDetail
        GROUP BY [支付方式]
        
        DROP TABLE #SumPrice
        DROP TABLE #PayDetail
END

运行结果及报错内容

我的解答思路和尝试过的方法

进行分组，

我想要达到的结果

不同日期的数据进行合并

你想合并成什么样子？

按照你的描述，表里没有能够用来合并的依据，一个日期下也会有多个单子。
数据库里没有业务单号之类用来区分单子的标识吗？