Re: Can we get rid of repeated queries from pg_dump?

From: hubert depesz lubaczewski <depesz(at)depesz(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-general <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: Can we get rid of repeated queries from pg_dump?
Date: 2021-08-26 14:08:27
Message-ID: 20210826140827.GA15868@depesz.com
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On Thu, Aug 26, 2021 at 10:02:07AM -0400, Tom Lane wrote:
> hubert depesz lubaczewski <depesz(at)depesz(dot)com> writes:
> > It seems that for every function, pg_dump is getting it's data, and then
> > runs format_type on each parameter/output type? I'm mostly guessing
> > here, as I didn't read the code.
> > Wouldn't it be possible to get all type formats at once, and cache them
> > in pg_dump? Or at the very least reuse already received information?
> Send a patch ...

Yeah, that's not going to work, my C skills are next-to-none :(

I guess I'll have to wait till someone else will assume it's a problem,
someone with skills to do something about it.

Best regards,

depesz

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