Re: Creating schema, database, or table in different folder.

From: Craig Ringer <craig(at)postnewspapers(dot)com(dot)au>
To: Carlos Oliva <CarlosO(at)pbsinet(dot)com>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Creating schema, database, or table in different folder.
Date: 2009-06-06 09:10:07
Message-ID: 4A2A326F.7010902@postnewspapers.com.au
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Carlos Oliva wrote:
> Is there a way to create a database or a table of a database in its own
> folder?

You could use tablespaces for that bit, BUT:

> We are looking for ways to backup the sytem files of the
> database to tape and one to exclude some tables from this backup.

you can't do that with tablespaces. The write-ahead log is shared across
ALL the databases and all tablespaces. If your restore is missing some
files, the replay of the write-ahead log won't succeed. Your catalog
would also be out-of-sync with the actual data files. Your backup would
be broken.

If you want to do selective backups, use pg_dump, which has options to
include/exclude some tables.

(This needs a FAQ entry)

--
Craig Ringer

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