Re: [18] Policy on IMMUTABLE functions and Unicode updates

From: Jeff Davis <pgsql(at)j-davis(dot)com>
To: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Joe Conway <mail(at)joeconway(dot)com>, pgsql-hackers(at)postgresql(dot)org, Daniel Verite <daniel(at)manitou-mail(dot)org>, Noah Misch <noah(at)leadboat(dot)com>, Peter Eisentraut <peter(at)eisentraut(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com>, Jeremy Schneider <schneider(at)ardentperf(dot)com>, LaurenzAlbe <laurenz(dot)albe(at)cybertec(dot)at>
Subject: Re: [18] Policy on IMMUTABLE functions and Unicode updates
Date: 2024-07-16 20:47:08
Message-ID: 9d18b37d59302b99c8b4222acd5e5024fa376715.camel@j-davis.com
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On Tue, 2024-07-16 at 13:27 -0700, David G. Johnston wrote:
> I'd teach pg_upgrade to inspect the post-upgraded catalog of is-use
> dependencies and report on any of these it finds and remind the DBA
> that this latent issue may exist in their system.

That's impossible to do in a complete way, and hard to do with much
accuracy. I don't oppose it though -- if someone finds a way to provide
enough information to be useful, then that's fine with me.

Regards,
Jeff Davis

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