Re: pg_restore --no-post-data and --post-data-only

On Aug 24, 2011, at 7:43 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.

FWIW, I got around this by writing a perl script that calls pg_dump -s and watches for the end of table create
statements(IIRC it specifically looks for the first CREATE INDEX). The advantage to that approach is that you don't
haveto first create a custom format dump and then run pg_restore against that. 
--
Jim C. Nasby, Database Architect                   jim@nasby.net
512.569.9461 (cell)                         http://jim.nasby.net