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Re: changing data type

From: "D(dot) Duccini" <duccini(at)backpack(dot)com>
To: Chris <csmith(at)squiz(dot)net>
Cc: pgsql-novice(at)hub(dot)org
Subject: Re: changing data type
Date: 2000-10-19 05:35:24
Message-ID: Pine.GSO.4.03.10010190033330.843-100000@ra.bpsi.net (view raw or flat)
Thread:
Lists: pgsql-novice
can't do it (in 6.x)

the best you can do is

alter table rename column1 to oldcolumn1

alter table add column1 attr type;

then insert into it from the old one

alternately, dump the data out, and reload into your new table



On Thu, 19 Oct 2000, Chris wrote:

> Hi all,
> 
> I tried to do a search for this, but couldn't find anything.
> How do I change a datatype in postgres?
> eg, change a column from being "text" to "varchar".
> 
> Thanks
> ------------------------
> Chris Smith
> http://www.squiz.net
> 


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