[英]using CASE in where clause with IN condtion
我有下面的代码,该代码需要基于参数的条件条件。这可以实现吗? 如何使用这种类型的sql。我没有看到任何变差方法来做到这一点
BEGIN
DECLARE @INPUT AS VARCHAR(256)
set @input = 'NASS'
SELECT
sum(TRY_PARSE(DV.[ERSDataValues_AttributeValue1] as decimal)) AS NEWVALUE
FROM [VegetablesCoSD-Full].[CoSD].[ERSDataValues] DV LEFT JOIN [CoSD]. [ERSTimeDimension_LU] TD
ON DV.ERSDataValues_ERSTimeDimension_ID = TD.ERSTimeDimension_ID
WHERE DV.ERSDataValues_ERSStatisticType_ID1 = 45 AND
DV.ERSDataValues_ERSCommodity_ID = 519 AND
DV.ERSDataValues_ERSGeography_ID = 3346 AND
DV.ERSDataValues_ERSUnit_ID1 = 89 AND
TD.ERSTimeDimension_TimeDimensionType_ID = 11 and
CASE
when @INPUT = 'NASS' THEN
TD.ERSTimeDimension_Month in
('1','2','3','4','5','6','7','8','9','10','11','12')
WHEN @INPUT = 'BLS' THEN
TD.ERSTimeDimension_Month IN('JAN','FEB')
END
您可以改用OR
,如下所示:
AND
( (@INPUT = 'MASS' AND TD.ERSTimeDimension_Month in ('1','2','3','4','5','6','7','8','9','10','11','12'))
OR
(@INPUT = 'BLS' AND TD.ERSTimeDimension_Month IN('JAN','FEB')
)
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