Re: pg_restore --no-post-data and --post-data-only
Andrew Dunstan <andrew@dunslane.net>
From: Andrew Dunstan <andrew@dunslane.net>
To: Josh Berkus <josh@agliodbs.com>
Cc: pgsql-hackers@postgresql.org
Date: 2011-08-25T01:46:13Z
Lists: pgsql-hackers
On 08/24/2011 08:43 PM, Josh Berkus wrote: > On 8/23/11 1:30 PM, Andrew Dunstan wrote: >> Attached is an undocumented patch that allows pg_restore to omit >> post-data items or omit all but post-data items. This has been discussed >> before, and Simon sent in a patch back on 2008, which has bitrotted >> some. I'm not sure why it was dropped at the time, but I think it's time >> to do this. This patch relies on some infrastructure that was added >> since Simon's patch, so it works a bit differently (and more simply). > If it's not clear from Andrew's description, the purpose of this patch > is to allow dividing your pgdump into 3 portions: > > 1. schema > 2. data > 3. constraints/indexes > > This allows users to implement a number of custom solutions for ad-hoc > parallel dump, conditional loading, data munging and sampled databases. > While doing so was possible before using the manifest from pg_restore > -l, the manifest approach has been complex to automate and relies on > obscure knowledge. > > I have immediate production use for this patch and may be backporting it. It's already backported, at least as far as 8.4. Check your email :-) cheers andrew