From: | Jan Wieck <jan(at)wi3ck(dot)info> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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 18:54:29 |
Message-ID: | c0f5fde5-5cad-65ed-dd30-cd852301d074@wi3ck.info |
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Lists: | pgsql-hackers |
On 3/23/21 2:35 PM, Tom Lane wrote:
> 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.
... which would be all really easy if pg_upgrade wouldn't be assembling
a shell script string to pass into parallel_exec_prog() by itself.
But I will see what I can do ...
Regards, Jan
--
Jan Wieck
Principle Database Engineer
Amazon Web Services
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