Re: adding columns with defaults is not implemented

Hi,
Thanks for your reply, but I have some doubts.

Are yoy sugesting I create the column as an Integer then change it to
Serial? in Pgsql 7 you cant change a column type.

If I create the column as an int then add a default value, how can I make
this default value increment with each insert?

Thanks again for your help.
Marcelo

----- Original Message -----
From: "Scott Marlowe" <smarlowe(at)g2switchworks(dot)com>
To: "Marcelo" <marcelo(at)humano2(dot)com>
Cc: <pgsql-general(at)postgresql(dot)org>
Sent: Thursday, June 02, 2005 4:43 PM
Subject: Re: [GENERAL] adding columns with defaults is not implemented

> On Thu, 2005-06-02 at 15:29, Marcelo wrote:
> > Hello,
> > Using Postgres 7.4, I am trying to perform an "alter table
> > temptable add column "myCol" serial"
> >
> > It gives the following msg
> > ERROR: adding columns with defaults is not implemented
> >
> > You cannot add a column that is serial in a table which already has
> > data in postgres 7.
> >
> > Is there a way I can create a serial column on a table which already
> > has data? Or is the only solution upgrading to postgres 8 ?
>
> You can add a default after you add the column with a separate alter
> table statement...
>
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