Re: [PoC] pg_upgrade: allow to upgrade publisher node - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: [PoC] pg_upgrade: allow to upgrade publisher node
Date
Msg-id 20230503104034.bhi5tlxscx2wcqj3@alvherre.pgsql
Whole thread Raw
In response to Re: [PoC] pg_upgrade: allow to upgrade publisher node  (Julien Rouhaud <rjuju123@gmail.com>)
List pgsql-hackers
On 2023-May-02, Julien Rouhaud wrote:

> On Tue, May 02, 2023 at 12:55:18PM +0200, Alvaro Herrera wrote:

> > A point on preserving physical replication slots: because we change WAL
> > format from one major version to the next (adding new messages or
> > changing format for other messages), we can't currently rely on physical
> > slots working across different major versions.
> 
> I don't think anyone suggested to do physical replication over different major
> versions.

They didn't, but a man can dream.  (Anyway, we agree on it not working
for various reasons.)

-- 
Álvaro Herrera         PostgreSQL Developer  —  https://www.EnterpriseDB.com/
"No es bueno caminar con un hombre muerto"



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