troubleshooting Question

How to add Case statement in Dynamic sql Select statement

Avatar of KavyaVS
KavyaVS asked on
Microsoft SQL Server 2008
11 Comments2 Solutions308 ViewsLast Modified:
Create procedure dbo.usp_GetDetails as BEGIN
 SET NOCOUNT ON;
DECLARE @sql nvarchar(4000);
 Declare @table1 varchar(2000), @pdt datetime
set @pdt = DATEADD(d, -day(getdate())+1, getdate())

@table1 = SSQLARCHIVE_' + Convert(Varchar(4),year(@pdt)) +'.dbo.t_accounthistory' + Right('0'+Convert(Varchar,month(@pdt)), 2)
SELECT @sql= 'SELECT  Distinct de.ID
      ,de.FIRST
      ,de.Middle
      ,de.Last
      ,de.BIRTHDATE
     
     ,CASE WHEN (md.RECORDTYPE = ''2'') AND (md.FIELDNUMBER IN (''15'', ''16'', ''17'', ''18'', ''19'') AND (md.FMTYPE = ''1'') AND (md.IDTYPE =''2'') AND (md.OLDCHARACTER <> '''')THEN ADDRESSCHANGE
            WHEN (md.RECORDTYPE = ''2'') AND (md.FIELDNUMBER IN (''8'') AND (md.FMTYPE = ''1'') THEN CARDACTIVITY
            ELSE (dbo.fn_GetDetails(md.RECORDTYPE, md.FIELDNUMBER, md.SUBFIELDNUMBER))
            END AS Details
     
      ,md.DATE As DetailsDATE
     
FROM ' + @table1 +  ' md with (noLock)  Inner Join #Temp_List de  with (noLock)
  ON  md.[ID] = de.ID
 
  ';
 Print @sql
  EXECUTE  sp_executesql @sql
    Drop Table #Temp_List;

I am getting the error.
Incorrect syntax near the keyword 'THEN'.

How to fix it.

Thanks
ASKER CERTIFIED SOLUTION
David Kroll
Sr. Delphi Consultant

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