Re: Meaning of "pg_control version number:"

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-------- Original message --------From: kaido vaikla <kaido(dot)vaikla(at)gmail(dot)com> Date: 13/01/2023 15:49 (GMT+00:00) To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> Cc: "David G. Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>, pgsql-admin(at)postgresql(dot)org Subject: Re: Meaning of "pg_control version number:" Clear, thnx TombrKaidoOn Fri, 13 Jan 2023 at 16:50, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:"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