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From: Jacob Champion <[email protected]>
To: Tom Lane <[email protected]>
Cc: Fujii Masao <[email protected]>
Cc: Jeremy Schneider <[email protected]>
Cc: [email protected] <[email protected]>
Cc: Marat Buharov <[email protected]>
Cc: Greg Sabino Mullane <[email protected]>
Cc: Thomas Munro <[email protected]>
Subject: Re: client_connection_check_interval default value
Date: Thu, 5 Feb 2026 16:18:50 -0800
Message-ID: <CAOYmi+=UXHJ2mmY3SXPFAV-79QcSCxM-4015te4Ka-5L_ewsow@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
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	<[email protected]>

On Thu, Feb 5, 2026 at 4:01 PM Tom Lane <[email protected]> wrote:
> I think enabling it by default is a nonstarter, because it changes
> behavior in a significant way.  Specifically, it's always been the
> case that if the client disconnects during a non-SELECT query (or
> anything that doesn't produce output), the backend would complete that
> query before ending the session.

Ha, I hadn't even thought about the possibility of fire-and-forget...

> I think it's very likely that there
> are users depending on that behavior.

From a quick search, yeah, probably:

    https://dba.stackexchange.com/questions/247206/will-query-continue-to-run-even-after-network-times-o...

--Jacob

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