Re: Meaning of "pg_control version number:"

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
Cc: kaido vaikla <kaido(dot)vaikla(at)gmail(dot)com>, "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Meaning of "pg_control version number:"
Date: 2023-01-13 14:50:14
Message-ID: 1674980.1673621414@sss.pgh.pa.us
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"David G. Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> writes:
> On Friday, January 13, 2023, kaido vaikla <kaido(dot)vaikla(at)gmail(dot)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

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