Re: Dropping Fields In A Table

From: Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com>
To: "Krog, Kenneth" <KAKrog(at)MassMutual(dot)com>
Cc: "PostgreSQL general list (E-mail)" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Dropping Fields In A Table
Date: 2001-09-17 15:18:03
Message-ID: Pine.BSF.4.21.0109170816080.57838-100000@megazone23.bigpanda.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

On Mon, 17 Sep 2001, Krog, Kenneth wrote:

> Thanks for the response to the last question, and also please let me know if
> these questions are going to the right group, you all seem alot better than
> these questions.
>
> In what version of Postgre are you able to drop fields in a table (7.1?),
> and is this the correct syntax:
> ALTER TABLE tablename DROP COLUMN columnname;
>
> And is their a way to change the type of column that a column is for
> instance from CHAR to INT, and what is the syntax for that. I looked up one
> side of the documentation and down the other and their does not seem to be a
> way.

IIRC, The only way currently for both of these is to do something like:
create the new table and do something like insert into ... select
to move the data and then drop the old table and rename the new one into
place.

In response to

Browse pgsql-general by date

  From Date Subject
Next Message Oliver Elphick 2001-09-17 15:19:06 Re: adding a superuser
Previous Message Cosmos Tong 2001-09-17 15:14:08 Error in compiling PHP with PostgreSQL support