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From: Jacob Champion <[email protected]>
To: Nathan Bossart <[email protected]>
Cc: [email protected]
Subject: Re: future of PQfn()
Date: Fri, 29 May 2026 09:33:03 -0700
Message-ID: <CAOYmi+nhtqGZAgtLvR2OdNZ8mfdY79qseEtKXnbs1jvtLNOrZA@mail.gmail.com> (raw)
In-Reply-To: <ahm6kuL3L3wSYo6d@nathan>
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	<CAOYmi+n6eFXs_pncObs9Vhe7S1gbvepRncYJaaO98anxL8WODg@mail.gmail.com>
	<ahmtVYcf4EYwz02U@nathan>
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	<ahm6kuL3L3wSYo6d@nathan>

On Fri, May 29, 2026 at 9:11 AM Nathan Bossart <[email protected]> wrote:
> I'm certainly open to other ideas, but I'm afraid this is the best I've
> come up with in my admittedly limited time thinking about the problem.

No worries -- I hadn't meant to block progress here on protocol
design. I think keeping PQnfn() for the immediate future is a good
plan. I just wanted to plant a seed for getting away from this problem
eventually.

(As for pie-in-the-sky alternative ideas, the ability for middleware
to separate contexts or streams of packets has come up before. libpq
could theoretically mark its own "context" of server-side allocations
that are not touched by an application-context DISCARD.)

--Jacob





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