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From: Nathan Bossart <nathandbossart@gmail.com>
To: Jacob Champion <jacob.champion@enterprisedb.com>
Cc: pgsql-hackers@postgresql.org
Subject: Re: future of PQfn()
Date: Thu, 28 May 2026 10:17:41 -0500
Message-ID: <ahhclYv8sC8p5nJA@nathan> (raw)
In-Reply-To: <CAOYmi+n6eFXs_pncObs9Vhe7S1gbvepRncYJaaO98anxL8WODg@mail.gmail.com>
References: <ahXE28klgxIJXBLq@nathan>
	<CAOYmi+m3bKWfHhAj3iKBa3mKj=_4MO3xY2WpBsB4Hx7yyAE7rw@mail.gmail.com>
	<ahX6nb1aqh51IhHC@nathan>
	<CAOYmi+n6eFXs_pncObs9Vhe7S1gbvepRncYJaaO98anxL8WODg@mail.gmail.com>

On Wed, May 27, 2026 at 02:39:53PM -0700, Jacob Champion wrote:
> On Tue, May 26, 2026 at 12:55 PM Nathan Bossart
> <nathandbossart@gmail.com> wrote:
>> I wonder how difficult it would be to teach the protocol to advise clients
>> when prepared statements are deallocated...
> 
> Probably not too difficult. But it seems like most, if not all, of the
> stuff in the DISCARD ALL umbrella is a target for a feature like
> that... This feels a lot like the perennial request for proxies to be
> able to separate their own context from the per-application/per-user
> contexts running on top of them.

I've been thinking through a bunch of options here, and a new protocol
message seems like the best choice, if for no other reason than it solves a
general problem for clients.  I'm working on a patch that I'll post in a
new thread.

-- 
nathan

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