Horton

Re: pg_upgrade and logical replication

Michael Paquier <michael@paquier.xyz>

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From: Michael Paquier <michael@paquier.xyz>
To: vignesh C <vignesh21@gmail.com>
Cc: Amit Kapila <amit.kapila16@gmail.com>, Peter Smith <smithpb2250@gmail.com>, Julien Rouhaud <rjuju123@gmail.com>, "Hayato Kuroda (Fujitsu)" <kuroda.hayato@fujitsu.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2023-09-13T06:37:39Z
Lists: pgsql-hackers 
On Mon, Sep 11, 2023 at 05:19:27PM +0530, vignesh C wrote:
> Added a function binary_upgrade_sub_replication_origin_advance which
> will: a) check if the subscription exists, b) get the replication name
> for subscription and c) advance the replication origin.
> 
> These are handled as part of v7 posted at [1].
> [1] - https://www.postgresql.org/message-id/CALDaNm1ZrbHaWpJwwNhDTJocRKWd3rEkgJazuDdZ9Z-WdvonFg%40mail.gmail.com

Thanks.  I can see that some of the others have already provided
comments about this version.  I have some comments on top of that.
--
Michael

Commits

  1. pg_upgrade: Retrieve subscription count more efficiently.

  2. Fix random failure in 004_subscription.

  3. Fix 004_subscription.pl to allow its usage in --link mode.

  4. Allow upgrades to preserve the full subscription's state.

  5. Prevent startup of logical replication launcher during pg_upgrade