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Re: warn if GUC set to an invalid shared library

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Justin Pryzby <pryzby@telsasoft.com>
Cc: Maciek Sakrejda <m.sakrejda@gmail.com>, Robert Haas <robertmhaas@gmail.com>, "David G. Johnston" <david.g.johnston@gmail.com>, Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>, Cary Huang <cary.huang@highgo.ca>, pgsql-hackers@lists.postgresql.org
Date: 2022-10-31T13:43:05Z
Lists: pgsql-hackers 
Justin Pryzby <pryzby@telsasoft.com> writes:
> On Sun, Oct 30, 2022 at 04:12:33PM -0700, Maciek Sakrejda wrote:
>> Also, for what it's worth, I think requiring the libraries to be in
>> place before running ALTER SYSTEM does not really seem that onerous. I
>> can't really think of use cases it precludes.

> Right now, it's allowed to set the GUC before installing the shlib.
> That's a supported case (see the 11 month old messages toward the
> beginning of this thread).

Yeah, I am afraid that you will break assorted dump/restore and
pg_upgrade scenarios if you insist on that.

			regards, tom lane