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-admin-owner+archive@lists.postgresql.org>)
	id 1pGLNs-00058j-95
	for pgsql-admin@arkaria.postgresql.org; Fri, 13 Jan 2023 14:50:20 +0000
Received: from localhost ([127.0.0.1] helo=malur.postgresql.org)
	by malur.postgresql.org with esmtp (Exim 4.92)
	(envelope-from <pgsql-admin-owner+archive@lists.postgresql.org>)
	id 1pGLNq-0004Ta-RG
	for pgsql-admin@arkaria.postgresql.org; Fri, 13 Jan 2023 14:50:18 +0000
Received: from makus.postgresql.org ([2001:4800:3e1:1::229])
	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 1pGLNq-0004TQ-Cj
	for pgsql-admin@lists.postgresql.org; Fri, 13 Jan 2023 14:50:18 +0000
Received: from sss.pgh.pa.us ([66.207.139.130])
	by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256)
	(Exim 4.92)
	(envelope-from <tgl@sss.pgh.pa.us>)
	id 1pGLNo-0005vn-3e
	for pgsql-admin@postgresql.org; Fri, 13 Jan 2023 14:50:17 +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 30DEoEFR1674981;
	Fri, 13 Jan 2023 09:50:14 -0500
From: Tom Lane <tgl@sss.pgh.pa.us>
To: "David G. Johnston" <david.g.johnston@gmail.com>
cc: kaido vaikla <kaido.vaikla@gmail.com>,
        "pgsql-admin@postgresql.org" <pgsql-admin@postgresql.org>
Subject: Re: Meaning of "pg_control version number:"
In-reply-to: 
 <CAKFQuwbR2e5-xm0-sAqdG+wQWG4cH+0PwTe-KVpuJRR9yvpB8w@mail.gmail.com>
References: 
 <CA+427g8DoSShXrJsazfp1aW9FWaZ5N=mKW--mYSmJhEg_FQSaw@mail.gmail.com>
 <CAKFQuwbR2e5-xm0-sAqdG+wQWG4cH+0PwTe-KVpuJRR9yvpB8w@mail.gmail.com>
Comments: In-reply-to "David G. Johnston" <david.g.johnston@gmail.com>
	message dated "Fri, 13 Jan 2023 07:22:59 -0700"
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-ID: <1674979.1673621414.1@sss.pgh.pa.us>
Content-Transfer-Encoding: quoted-printable
Date: Fri, 13 Jan 2023 09:50:14 -0500
Message-ID: <1674980.1673621414@sss.pgh.pa.us>
List-Id: <pgsql-admin.lists.postgresql.org>
List-Help: <https://lists.postgresql.org/manage/>
List-Subscribe: <https://lists.postgresql.org/manage/>
List-Post: <mailto:pgsql-admin@lists.postgresql.org>
List-Owner: <mailto:pgsql-admin-owner@lists.postgresql.org>
List-Archive: <https://www.postgresql.org/list/pgsql-admin>
Archived-At: 
 <https://www.postgresql.org/message-id/1674980.1673621414%40sss.pgh.pa.us>
Precedence: bulk

"David G. Johnston" <david.g.johnston@gmail.com> writes:
> On Friday, January 13, 2023, kaido vaikla <kaido.vaikla@gmail.com> wrote=
:
>> I supposed "pg_control version number:" is related to pg version, but
>> fresh pg 15 instance  pg_controldata shows 1300:

> https://github.com/postgres/postgres/blob/master/src/include/catalog/pg_=
control.h

We only move that value when the format of pg_control actually changes.
So in this case you can see it's been stable since v13.

			regards, tom lane