Re: Functions

From: Nick Jones <neckjonez(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, desoi(at)pgedit(dot)com
Cc: pgsql-novice(at)postgresql(dot)org
Subject: Re: Functions
Date: 2005-05-31 18:52:01
Message-ID: be082070050531115223fd0151@mail.gmail.com
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Aww, I was really close :) ... thanks, that works. I believe I understand it
now :) Do you normally write functions in plpgsql or a different language
(sql, perl, c)? I ask so I should know where to focus my learning.

Thanks,
Nick

On 5/31/05, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>
> Nick Jones <neckjonez(at)gmail(dot)com> writes:
> > CREATE FUNCTION test2(VARCHAR) RETURNS SETOF TEXT AS
> > '
> > DECLARE
> > r record;
> > BEGIN
> > FOR r IN
> > select router_name from router where router_name ~ $1
> > LOOP
> > RETURN NEXT r;
> > END LOOP;
> > RETURN;
> > END;
> > ' LANGUAGE 'plpgsql';
>
> Close, but you want "RETURN NEXT r.router_name". r is a record
> potentially containing several fields, you have to say which you
> want.
>
> regards, tom lane
>

--
Thanks,
Nick

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