Re: Help changing varchar field

From: "Karl Stubsjoen" <karl(at)azprogolf(dot)com>
To: <pgsql-general(at)postgresql(dot)org>
Subject: Re: Help changing varchar field
Date: 2002-10-17 15:22:45
Message-ID: IBEMICFHMMPICFPMPBLCGEJJCJAA.karl@azprogolf.com
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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(at)postgresql(dot)org
[mailto:pgsql-general-owner(at)postgresql(dot)org]On Behalf Of Alvaro Herrera
Munoz
Sent: Thursday, October 17, 2002 7:46 AM
To: Robert Treat
Cc: Karl Stubsjoen; pgsql-general(at)postgresql(dot)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[(at)]dcc(dot)uchile(dot)cl>)
"La espina, desde que nace, ya pincha" (Proverbio africano)

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