Re: serial column

From: Gevik Babakhani <pgdev(at)xs4all(dot)nl>
To: Bob Pawley <rjpawley(at)shaw(dot)ca>
Cc: Postgresql <pgsql-general(at)postgresql(dot)org>
Subject: Re: serial column
Date: 2006-09-24 21:42:20
Message-ID: 1159134140.726.8.camel@voyager.truesoftware.net
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The SERIAL is always sequential. SERIAL internally creates a SEQUENCE
and *binds* it to your table. even if you delete a record and insert a
new one , the sequence will continue to increment. however there will be
gaps between the values.

Isn't this the behavior you expect?

On Sun, 2006-09-24 at 14:19 -0700, Bob Pawley wrote:
> Yes
>
> But the only way of insuring that the serial starts at 1 and is sequential
> is to recreate the table.
>
> I've tried creating and dropping the table but this generates other issues
> which I haven't been able to resolve.
>
> Bob
>
> ----- Original Message -----
> From: "Gevik Babakhani" <pgdev(at)xs4all(dot)nl>
> To: "Bob Pawley" <rjpawley(at)shaw(dot)ca>
> Cc: "Postgresql" <pgsql-general(at)postgresql(dot)org>
> Sent: Sunday, September 24, 2006 2:00 PM
> Subject: Re: [GENERAL] serial column
>
>
> > On Sun, 2006-09-24 at 13:50 -0700, Bob Pawley wrote:
> >> I need to develop a serial column that always starts at 1 and is
> >> sequential even after deletes.
> >>
> >> Any ideas???
> >>
> >
> > Did you try the:
> >
> > create table tbl
> > (
> > id SERIAL
> > );
> >
> > or even with primary key...
> >
> > create table tbl
> > (
> > id SERIAL primary key
> > );
> >
> >
> > --
> > Regards,
> > Gevik Babakhani
> >
> >
> >
> >
> > ---------------------------(end of broadcast)---------------------------
> > TIP 3: Have you checked our extensive FAQ?
> >
> > http://www.postgresql.org/docs/faq
> >
>

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