On 11/10/2011 20:54, Java Services wrote:
> I have a stored functionA that returns void
> 
> Inside there I have a line that says:
>    select functionB();
> 
> and it gives this error.
> 
> ERROR:  query has no destination for result data
> HINT:  If you want to discard the results of a SELECT, use PERFORM instead.
> CONTEXT:  PL/pgSQL function "functionA" line 13 at SQL statement

As the message says, in pl/pgsql you need to specify a destination for
the returned data:

create or replace function....
as
$$
declare
  my_value ....
begin
  select function_b() into my_value;
  (etc)

If you don't need the return value of function_b(), or if it returns
void, then use PERFORM instead:

  perform function_b();

Gory details here:

  www.postgresql.org/docs/9.1/static/plpgsql-statements.html

HTH

Ray.


-- 
Raymond O'Donnell :: Galway :: Ireland
r...@iol.ie

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