我有一个 SELECT 语句(不是存储过程),用于在 SSRS(Visual Studio 2010)中创建报告。
参数@ClassCode 是引起麻烦的参数。但是在开发中它工作正常,但是当我将它部署到生产时它会永远呈现。
我假设它是一个参数嗅探,并且我阅读了如何在存储过程中修复它。但我没有 SP,我使用的是 SELECT 语句。
SELECT 语句的解决方法是什么?环境之间有什么区别?生产要强大得多。我的查询如下:
;WITH cte1
AS
(
SELECT QuoteID,
AccidentDate,
PolicyNumber,
SUM(PaidLosses) as PaidLosses
FROM tblLossesPlazaCommercialAuto
WHERE InsuredState IN (@State) AND AccidentDate BETWEEN @StartDate AND @EndDate AND TransactionDate <= @EndDate AND Coverage = 'VehicleComprehensive'
GROUP BY QuoteID,
AccidentDate,
PolicyNumber
),
cte3
AS
(
SELECT
cte1.Quoteid,
cte1.PolicyNumber,
cte1.AccidentDate,
cc.TransactionEffectiveDate,
cc.ClassCode,
CASE
WHEN ROW_NUMBER() OVER (PARTITION BY cte1.QuoteID, cte1.PolicyNumber,cc.AccidentDate ORDER BY (SELECT 0))=1 THEN cte1.PaidLosses
ELSE 0
END as PaidLosses--,
FROM cte1 inner join tblClassCodesPlazaCommercial cc
on cte1.PolicyNumber=cc.PolicyNumber
AND cte1.AccidentDate=cc.AccidentDate
AND cc.AccidentDate IS NOT NULL
/* This is the one that gives me problem */
WHERE cc.ClassCode IN (@ClassCode)
)
SELECT SUM(PaidLosses) as PaidLosses, c.YearNum, c.MonthNum
FROM cte3 RIGHT JOIN tblCalendar c ON c.YearNum = YEAR(cte3.AccidentDate) AND c.MonthNum = MONTH(cte3.AccidentDate)
WHERE c.YearNum <>2017
GROUP BY c.YearNum, c.MonthNum
ORDER BY c.YearNum, c.MonthNum