Re: Problem with some function

From: Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com>
To: Uros Gruber <uros(at)sir-mag(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Problem with some function
Date: 2001-10-28 17:57:57
Message-ID: Pine.BSF.4.21.0110280956120.76258-100000@megazone23.bigpanda.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

On Sun, 28 Oct 2001, Uros Gruber wrote:

> Hi!
>
> i create some function like this
>
> CREATE FUNCTION checkuser(varchar,varchar) RETURNS INTEGER AS '
> DECLARE
> user ALIAS FOR $1;
> pwd ALIAS FOR $2;
id integer;
> BEGIN
SELECT INTO id id_user FROM users WHERE username=user AND password=pwd
AND allow_login = ''true'';
-- You need to select into a variable here.

IF id IS NULL THEN
> RAISE NOTICE ''User not found'';
> RETURN 0;
> ELSE
> UPDATE users SET last_login = ''NOW'', login_counts = login_counts+1;
-- Is this above really what you want? You're not specifying the user to
-- update. I think you probably want a WHERE on id or one like above.
RETURN id;
> END IF;
> END;
> ' LANGUAGE 'plpgsql';

In response to

Browse pgsql-general by date

  From Date Subject
Next Message Stephan Szabo 2001-10-28 18:02:16 Re: trigger function in plpgsql (newbie)
Previous Message Tom Lane 2001-10-28 17:37:38 Re: trigger function in plpgsql (newbie)