Re: pg_dump additional options for performance

On Sun, 2008-07-20 at 21:18 -0400, Stephen Frost wrote:
> * Simon Riggs (simon@2ndquadrant.com) wrote:
> > On Sun, 2008-07-20 at 17:43 -0400, Stephen Frost wrote:
> > > Even this doesn't cover everything though- it's too focused on tables
> > > and data loading.  Where do functions go?  What about types?
> >
> > Yes, it is focused on tables and data loading. What about
> > functions/types? No relevance here.
>
> I don't see how they're not relevant, it's not like they're being
> excluded and in fact they show up in the pre-load output.  Heck, even if
> they *were* excluded, that should be made clear in the documentation
> (either be an explicit include list, or saying they're excluded).
>
> Part of what's driving this is making sure we have a plan for future
> objects and where they'll go.  Perhaps it would be enough to just say
> "pre-load is everything in the schema, except things which are faster
> done in bulk (eg: indexes, keys)".  I don't think it's right to say
> pre-load is "only object definitions required to load data" when it
> includes functions and ACLs though.
>
> Hopefully my suggestion and these comments will get us to a happy
> middle-ground.

I don't really understand what you're saying.

The options split the dump into 3 parts that's all: before the load, the
load and after the load.

--schema-pre-load says
"Dumps exactly what <option>--schema-only</> would dump, but only those
statements before the data load."

What is it you are suggesting? I'm unclear.

--
 Simon Riggs           www.2ndQuadrant.com
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