Syntax error - Case in where clause

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SQL-Server-2008R2

SQL

SELECT * FROM ABC WHERE IsActive = 1 AND 
CASE @RETVAL
WHEN 1 THEN (ListingType = 'P')
WHEN 2 THEN (@thisDate BETWEEN SearchStartDate AND SearchEndDate)
WHEN 3 THEN 
(
 (
    (@Country = 96 AND iCountry In (1, 2, 3, 96))
  OR
   (@Country <> 96 AND iCountry = @Country)
  )
)       
END

How to resolve error "incorrect syntax near ="?

Posted 14-Apr-15 2:11am

radhashym

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ZurdoDev · Accepted Answer · 2015-04-14T02:27:00

You can't use a CASE statement like that in a where clause. The CASE statement can only be on 1 side of the = in a WHERE, so you can't have "ListingType = 'P'" for example.

You just need to do ORs with your @RetVal variable. Something like:

SQL

SELECT * 
FROM ABC 
WHERE IsActive = 1
AND 
(
  (@RetVal = 1 AND ListingType = 'P')
  OR 
  (@RetVal = 2 AND @thisDate BETWEEN Search AND EndDate)
  ...
)