From: | javier wilson <javier(dot)wilson(at)gmail(dot)com> |
---|---|
To: | Cristian Prieto <cristian(at)clickdiario(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Help with seq numbers... |
Date: | 2005-02-14 22:18:07 |
Message-ID: | da884c20050214141824fb436e@mail.gmail.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
On Mon, 14 Feb 2005 15:47:06 -0600, Cristian Prieto
<cristian(at)clickdiario(dot)com> wrote:
> > why don't you use a serial? that way you don't have to insert it? i
> > usually let postgresql take care of it, and you can use currval to
> > return a value.
>
> That's the trouble, I need a sp that returns the user id of the last
> inserted user, and 0 if the username or email (another unique index) is
> already in the database...
what about using a serial for userid, but checking first is the meail
or username
already exists?
so, in your sp, do a: select count(*) from users where email=$1 or username=$2
and then avoid the insert and just return 0?
or that would be to much load?
javier
From | Date | Subject | |
---|---|---|---|
Next Message | Preston Landers | 2005-02-14 23:09:39 | Re: database encoding "WIN" -- Western or Cyrillic? |
Previous Message | Bruno Wolff III | 2005-02-14 21:50:26 | Re: Help with seq numbers... |