Message-ID: <1372884656.2517.1.camel@localhost.localdomain>
Subject: Re: pg_dump, pg_restore from 9.2 on 8.4 server
From: Guillaume Lelarge <guillaume@lelarge.info>
To: Ian Lawrence Barwick <barwick@gmail.com>
Cc: =?UTF-8?Q?Ji=C5=99=C3=AD?= Hlinka <jiri.hlinka@gmail.com>,
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Date: Wed, 03 Jul 2013 22:50:56 +0200
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On Wed, 2013-07-03 at 20:53 +0900, Ian Lawrence Barwick wrote:
> 2013/7/3 Jiří Hlinka <jiri.hlinka@gmail.com>:
> > Hi All,
> >
> > I have a 8.4 server and I'd like to use --section parameter of pg_dump and
> > pg_restore, which is available only in 9.2.
> >
> > 1. Is it, in general, safe to use 9.2  tools on 8.4 server? AFAIK the tools
> > are backward compatible, at least in case of plain SQL commands it should be
> > compatible, right?
> 
> pg_dump is backwards-compatible all the way to 7.0; see:
>  http://www.postgresql.org/docs/9.2/static/app-pgdump.html#PG-DUMP-NOTES
> 

Sure, but you may not be able to restore it on a less recent release
(ie, in that case, previous than 9.2). If you use a 9.2 pg_dump, you'll
be garanteed to restore it on 9.2 and upper, not lower (not 8.4 for
instance).


-- 
Guillaume
http://blog.guillaume.lelarge.info
http://www.dalibo.com


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