Received: from malur.postgresql.org ([217.196.149.56])
	by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1nf2Vj-00024e-3D
	for pgsql-hackers@arkaria.postgresql.org; Thu, 14 Apr 2022 16:39:59 +0000
Received: from localhost ([127.0.0.1] helo=malur.postgresql.org)
	by malur.postgresql.org with esmtp (Exim 4.92)
	(envelope-from <pgsql-hackers-owner+archive@lists.postgresql.org>)
	id 1nf2Vh-0004NV-Qz
	for pgsql-hackers@arkaria.postgresql.org; Thu, 14 Apr 2022 16:39:57 +0000
Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29])
	by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <tgl@sss.pgh.pa.us>)
	id 1nf2Vh-0004NL-HO
	for pgsql-hackers@lists.postgresql.org; Thu, 14 Apr 2022 16:39:57 +0000
Received: from sss.pgh.pa.us ([66.207.139.130])
	by magus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <tgl@sss.pgh.pa.us>)
	id 1nf2Vf-0005cN-3Y
	for pgsql-hackers@lists.postgresql.org; Thu, 14 Apr 2022 16:39:57 +0000
Received: from sss1.sss.pgh.pa.us (localhost [127.0.0.1])
	by sss.pgh.pa.us (8.15.2/8.15.2) with ESMTP id 23EGdk8R1522579;
	Thu, 14 Apr 2022 12:39:46 -0400
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
cc: Nathan Bossart <nathandbossart@gmail.com>,
        Julien Rouhaud <rjuju123@gmail.com>,
        Andres Freund <andres@anarazel.de>,
        Michael Paquier <michael@paquier.xyz>,
        "Bossart,
    Nathan" <bossartn@amazon.com>,
        Fujii Masao <masao.fujii@oss.nttdata.com>,
        "wangsh.fnst@fujitsu.com" <wangsh.fnst@fujitsu.com>,
        Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>,
        Greg Sabino Mullane <htamfids@gmail.com>,
        "pgsql-hackers@lists.postgresql.org" <pgsql-hackers@lists.postgresql.org>
Subject: Re: make MaxBackends available in _PG_init
In-reply-to: <CA+TgmoYCK9TKxKT_39S7SVD56rgcffFOozzUso2kxStsmvwZRQ@mail.gmail.com>
References: <CA+TgmoYA09kL2nTKiONj6pCcZ7KNX28YUyseKODJq+trNAXunw@mail.gmail.com> <1088297.1649856441@sss.pgh.pa.us> <CA+TgmoaPC_bpLTfZ8uVuYoV+QNkYztp2BbFNHi_S+VHoChFSpQ@mail.gmail.com> <1095139.1649860995@sss.pgh.pa.us> <CA+TgmoaN0zj2Km-ZLWnCL_W_x7rrULebDi0yoK=mGyf6yC_cqw@mail.gmail.com> <1100207.1649864342@sss.pgh.pa.us> <CA+TgmobVwPLaEq9UrKtnaoQiA+2LQg+NS8ANhXNGNBf+c_yvRw@mail.gmail.com> <1102589.1649865908@sss.pgh.pa.us> <20220413183040.GA2116671@nathanxps13> <Yle2IBsS1Nnp2WWa@jrouhaud> <20220414162215.GB2163833@nathanxps13> <CA+TgmoYCK9TKxKT_39S7SVD56rgcffFOozzUso2kxStsmvwZRQ@mail.gmail.com>
Comments: In-reply-to Robert Haas <robertmhaas@gmail.com>
	message dated "Thu, 14 Apr 2022 12:32:20 -0400"
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-ID: <1522577.1649954386.1@sss.pgh.pa.us>
Date: Thu, 14 Apr 2022 12:39:46 -0400
Message-ID: <1522578.1649954386@sss.pgh.pa.us>
List-Id: <pgsql-hackers.lists.postgresql.org>
List-Help: <https://lists.postgresql.org/manage/>
List-Subscribe: <https://lists.postgresql.org/manage/>
List-Post: <mailto:pgsql-hackers@lists.postgresql.org>
List-Owner: <mailto:pgsql-hackers-owner@lists.postgresql.org>
List-Archive: <https://www.postgresql.org/list/pgsql-hackers>
Archived-At: <https://www.postgresql.org/message-id/1522578.1649954386%40sss.pgh.pa.us>
Precedence: bulk

Robert Haas <robertmhaas@gmail.com> writes:
> On Thu, Apr 14, 2022 at 12:22 PM Nathan Bossart
> <nathandbossart@gmail.com> wrote:
>>> I'd be in favor of a hard break.

>> Yeah, this is a good point.  If we're okay with breaking existing
>> extensions like this, I will work on a patch.

> I tend to think it's a good idea.

I've come around to that view as well.

			regards, tom lane