Re: vacuumdb --freeze

From: Bruce Momjian <bruce(at)momjian(dot)us>
To: Zdenek Kotala <Zdenek(dot)Kotala(at)Sun(dot)COM>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: vacuumdb --freeze
Date: 2009-02-19 13:20:03
Message-ID: 200902191320.n1JDK3r02869@momjian.us
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Zdenek Kotala wrote:
>
> Bruce Momjian p??e v ?t 19. 02. 2009 v 08:08 -0500:
> > > you should use vacuum_freeze_min_age instead. On other side it
> > breaks
> > > vacuumdb backward compatibility which we did not declare, but it
> > could
> > > be fine.
> >
> > How does adding a flag break backward compatibiity?
> >
>
> I meant that vacuum_freeze_min_age was introduced in 8.2 and cannot be
> used for older database. if you use it you cannot run vacuumdb freeze on
> 8.1 and older. See Peter's list of backward compatible applications.

Oh, I can only upgrade 8.3+ so that would not be a problem.

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ If your life is a hard drive, Christ can be your backup. +

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