From: | "Peter Koczan" <pjkoczan(at)gmail(dot)com> |
---|---|
To: | "Kostis Mentzelos" <mentzelos(at)gmx(dot)net> |
Cc: | pgsql-admin(at)postgresql(dot)org |
Subject: | Re: convert char to varchar |
Date: | 2007-10-18 15:37:10 |
Message-ID: | 4544e0330710180837ya0a7082v2db9fbbe0119bb9f@mail.gmail.com |
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Lists: | pgsql-admin |
On 10/18/07, Peter Koczan <pjkoczan(at)gmail(dot)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
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