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Receiving error "Select statements included within a function cannot return data to a client"

Receiving an error when attempting to use a Select statement in a function. The error states:

Msg 444, Level 16, State 2, Procedure JDE_GetWhereClause_test, Line 26
Select statements included within a function cannot return data to a client.

Any ideas?

CREATE FUNCTION [dbo].[JDE_GetWhereClause_test]
(
@tablename as varchar
)
RETURNS varchar(max)
AS
BEGIN
-- Declare the return variable here
Declare @ResultVar as varchar(max)

-- Add the T-SQL statements to compute the return value here

set @tablename = 'F0101'
Declare @Sql nvarchar(max)
Declare my_cur cursor for
    SELECT fsuser FROM dbo.JDE_ExRowSecurity where fsuser = fsuser;

Declare @fsuser as nchar(15)
open my_cur;
fetch next from my_cur;
while @@fetch_status = 0
   begin
      fetch next from my_cur into @fsuser;    
      set @ResultVar += ',' + @fsuser;
   end;
close my_cur;
deallocate my_cur;

-- Return the result of the function
RETURN @ResultVar
END
like image 428
Ankur Avatar asked Apr 11 '13 22:04

Ankur


1 Answers

Try playing with something like...

CREATE FUNCTION [dbo].[JDE_GetWhereClause_test]
(
@tablename as varchar
)
RETURNS varchar(max)
AS
BEGIN
  -- Declare the return variable here
  Declare @ResultVar as varchar(max)

  -- Add the T-SQL statements to compute the return value here

  set @ResultVar = (select STUFF((SELECT ',', fsuser as [text()]
                    FROM dbo.JDE_ExRowSecurity 
                    FOR XML PATH ('')), 1, 1, '') as blah)

  -- Return the result of the function
  RETURN @ResultVar
END

select 'Answer is: '+[dbo].[JDE_GetWhereClause_test]('whatever')

like image 74
AjV Jsy Avatar answered Nov 08 '22 02:11

AjV Jsy