Re: pg_upgrade-breaking release

From: Greg Sabino Mullane <htamfids(at)gmail(dot)com>
To: Bruce Momjian <bruce(at)momjian(dot)us>
Cc: PostgreSQL-development <pgsql-hackers(at)lists(dot)postgresql(dot)org>
Subject: Re: pg_upgrade-breaking release
Date: 2025-04-24 12:51:41
Message-ID: CAKAnmmJPQgx8TfwdvCyZeN3LWfH3RMq_4r9b7hgq3RbCAgYKCg@mail.gmail.com
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On Thu, Apr 24, 2025 at 8:37 AM Bruce Momjian <bruce(at)momjian(dot)us> wrote:

> When I wrote pg_upgrade, I assumed at some point the value of changing the
> storage format would outweigh the value of allowing in-place upgrades. I
> guess that hasn't happened yet.
>

It reminds me of TDE, which is an good example of that, in a way. It
requires pg_dump or logical replication to go from unencrypted ->
encrypted. If core were to have something like that, I guess pg_upgrade
could technically support it, but it would be equivalent to pg_dump. We've
all been spoiled by that awesome --link option! :)

Cheers,
Greg

--
Crunchy Data - https://www.crunchydata.com
Enterprise Postgres Software Products & Tech Support

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