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From: Tom Lane <tgl@sss.pgh.pa.us>
To: David G. Johnston <david.g.johnston@gmail.com>
Cc: kaido vaikla <kaido.vaikla@gmail.com>
Cc: pgsql-admin@postgresql.org <pgsql-admin@postgresql.org>
Subject: Re: Meaning of "pg_control version number:"
Date: Fri, 13 Jan 2023 09:50:14 -0500
Message-ID: <1674980.1673621414@sss.pgh.pa.us> (raw)
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>

"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





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