Re: convert char to varchar - Mailing list pgsql-admin

From Peter Koczan
Subject Re: convert char to varchar
Date
Msg-id 4544e0330710180837ya0a7082v2db9fbbe0119bb9f@mail.gmail.com
Whole thread Raw
In response to Re: convert char to varchar  ("Peter Koczan" <pjkoczan@gmail.com>)
List pgsql-admin
On 10/18/07, Peter Koczan <pjkoczan@gmail.com> wrote:
> > Is there any other way to clear trailing spaces when I restore the table?
>
> If you're running 8.x, you can do this in place:
>
> ALTER TABLE c1 ALTER COLUMN name varchar(20) USING rtrim(name), ALTER
> COLUMN date varchar(20) USING rtrim(date);
>
> This could take a long time if the table is large or has a lot of indexes on it.

Oops. The command should be:

ALTER TABLE c1 ALTER COLUMN name TYPE varchar(20) USING rtrim(name),
ALTER COLUMN date TYPE varchar(20) USING rtrim(date);

I forgot the TYPE keyword...it's important.

Peter

pgsql-admin by date:

Previous
From: "Peter Koczan"
Date:
Subject: Re: convert char to varchar
Next
From: Irina Sourikova
Date:
Subject: does vacuumlo removes BLOBs from deleted tables?