Re: Help changing varchar field

I'm a postresql newbie, big time.  I've been assigned the task of making
some simple changes to our dealer website.  The PO Number field is the first
request, currently it excepts just 6 characters (do to the varchar(6) type).
Alvaro:  how can this change be implemented?  i can get to a postrgesql
command prompt.

Karl

-----Original Message-----
From: pgsql-general-owner@postgresql.org
[mailto:pgsql-general-owner@postgresql.org]On Behalf Of Alvaro Herrera
Munoz
Sent: Thursday, October 17, 2002 7:46 AM
To: Robert Treat
Cc: Karl Stubsjoen; pgsql-general@postgresql.org
Subject: Re: [GENERAL] Help changing varchar field


On Thu, Oct 17, 2002 at 10:33:52AM -0400, Robert Treat wrote:
> AFAIK there's no easy way to do this. Essentially you'll need to create
> a new field of varchar(15), copy the contents of varchar(6), drop
> varchar(6), then rename varchar(15). I'd recommend doing it all in one
> transaction.

You can also set atttypmod to 15+4 (right now it should be 6+4) to the
attribute in pg_attribute.

--
Alvaro Herrera (<alvherre[@]dcc.uchile.cl>)
"La espina, desde que nace, ya pincha" (Proverbio africano)

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