Re: Common function for percent placeholder replacement

From: Robert Haas <robertmhaas(at)gmail(dot)com>
To: Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Common function for percent placeholder replacement
Date: 2022-12-19 16:38:49
Message-ID: CA+TgmoZVDmePMVa1Muv-_UMdBB9-8__Onygu4Bg1+RyS4LFaMg@mail.gmail.com
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On Mon, Dec 19, 2022 at 3:13 AM Peter Eisentraut
<peter(dot)eisentraut(at)enterprisedb(dot)com> wrote:
> I agree. Here is an updated patch with the error checking included.

Nice, but I think something in the error report needs to indicate what
caused the problem exactly. As coded, I think the user would have to
guess which GUC caused the problem. For basebackup_to_shell that might
not be too hard since you would have to try to initiate a backup to a
shell target to trigger the error, but for something that happens at
server start, you don't want to have to go search all of
postgresql.conf for possible causes.

--
Robert Haas
EDB: http://www.enterprisedb.com

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