Re: pg_upgrade failing for 200+ million Large Objects

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Jan Wieck <jan(at)wi3ck(dot)info>
Cc: Bruce Momjian <bruce(at)momjian(dot)us>, Zhihong Yu <zyu(at)yugabyte(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Magnus Hagander <magnus(at)hagander(dot)net>, Robins Tharakan <tharakan(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: pg_upgrade failing for 200+ million Large Objects
Date: 2021-03-23 18:35:46
Message-ID: 985941.1616524546@sss.pgh.pa.us
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Jan Wieck <jan(at)wi3ck(dot)info> writes:
> So the question remains, how do we name this?

> --pg-dump-options "<string>"
> --pg-restore-options "<string>"

If you're passing multiple options, that is

--pg-dump-options "--foo=x --bar=y"

it seems just horribly fragile. Lose the double quotes and suddenly
--bar is a separate option to pg_upgrade itself, not part of the argument
for the previous option. That's pretty easy to do when passing things
through shell scripts, too. So it'd likely be safer to write

--pg-dump-option=--foo=x --pg-dump-option=--bar=y

which requires pg_upgrade to allow aggregating multiple options,
but you'd probably want it to act that way anyway.

regards, tom lane

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