Re: Function's final statement must be a SELECT

Great !!! COALESCE() does the job for me.

( BTW, replacing "SQL" by "PLPGSQL " still gets the same error ..... )

Thanks a lot Alvaro !!!

On Wed, May 14, 2008 at 4:36 PM, Alvaro Herrera <alvherre(at)commandprompt(dot)com>
wrote:

> Premil Agarwal escribió:
> > I am trying to write a function in PgAdmin 1.8.2 for postgres 8.3. The
> > function should check the input parameter for NULL. If its NULL then
> > function should return 'Auto' otherwise return the input as such.
>
> >
> > CREATE FUNCTION check_for_null( inp character varying) RETURNS character
> > varying AS $$
> [...]
> > $$ LANGUAGE SQL;
>
> ^^^
>
> There's your problem. Try using PLPGSQL instead.
>
> In any case, you can do this with COALESCE() and it's much easier.
>
> --
> Alvaro Herrera
> http://www.CommandPrompt.com/
> The PostgreSQL Company - Command Prompt, Inc.
>