时间差值

alter procedure Asset_spQueryAlertInfomation
(
 @pi_Action VARCHAR(100),
 @pi_InfoId BIGINT,
 @pi_pageIndex INT,
 @pi_pageSize INT,
 @po_recordCount BIGINT OUTPUT
)
as
 DECLARE @pt_StartRowIndex INT
 DECLARE @pt_EndRowIndex INT
 
 SET @pt_StartRowIndex = (@pi_pageIndex - 1) * @pi_pageSize + 1
 SET @pt_EndRowIndex = @pi_pageIndex * @pi_PageSize

IF @pi_Action = 'getlist'
 BEGIN
SELECT * FROM
  (
SELECT   Asset_ReceiptDetail.InfoId,  Asset_Subject.SubjectCode, Asset_Subject.SubjectName, Asset_Contract_ChargePlan.CostStartDate, Asset_Contract_ChargePlan.CostEndDate,
         Asset_Contract_ChargePlan.ShouldGetDate, Asset_Contract_ChargePlan.SumMoney, Asset_ReceiptMain.ContractCode,
         Asset_Contract_ChargePlan.ChargePlanCode, Asset_ReceiptDetail.IsReceipt,
ROW_NUMBER() OVER (ORDER BY Asset_Contract_ChargePlan.InfoId DESC) AS RowIndex,
'IsReceipts' = (
   CASE
   WHEN IsReceipt = 0 THEN '否'
                        when IsReceipt is null then '否'
   ELSE
    '是'
   End)
FROM     Asset_ChargedItems INNER JOIN
         Asset_Contract_ChargePlan ON Asset_ChargedItems.ChargedItemCode = Asset_Contract_ChargePlan.ChargedItemCode INNER JOIN
         Asset_Subject ON Asset_ChargedItems.SubjectCode = Asset_Subject.SubjectCode INNER JOIN
         Asset_ReceiptMain ON Asset_Contract_ChargePlan.ContractCode = Asset_ReceiptMain.ContractCode LEFT JOIN
         Asset_ReceiptDetail ON Asset_Contract_ChargePlan.ChargePlanCode = Asset_ReceiptDetail.ChagePlanCode
WHERE datediff(day,getdate(),Asset_Contract_ChargePlan.ShouldGetDate)<=30 and  datediff(day,getdate(),Asset_Contract_ChargePlan.ShouldGetDate)>=0

--应收日期与当前日期差值小于30天的记录同时是正值

)tba
  WHERE RowIndex BETWEEN @pt_StartRowIndex AND @pt_EndRowIndex

SELECT @po_recordCount = COUNT(*)
FROM     Asset_ChargedItems INNER JOIN
         Asset_Contract_ChargePlan ON Asset_ChargedItems.ChargedItemCode = Asset_Contract_ChargePlan.ChargedItemCode INNER JOIN
         Asset_Subject ON Asset_ChargedItems.SubjectCode = Asset_Subject.SubjectCode INNER JOIN
         Asset_ReceiptMain ON Asset_Contract_ChargePlan.ContractCode = Asset_ReceiptMain.ContractCode LEFT JOIN
         Asset_ReceiptDetail ON Asset_Contract_ChargePlan.ChargePlanCode = Asset_ReceiptDetail.ChagePlanCode
WHERE datediff(day,getdate(),Asset_Contract_ChargePlan.ShouldGetDate)<=30 and  datediff(day,getdate(),Asset_Contract_ChargePlan.ShouldGetDate)>=0

end