Re: [Patch] Fix check_pub_rdt bypass when origin is set in same ALTER SUBSCRIPTION

Amit Kapila <amit.kapila16@gmail.com>

From: Amit Kapila <amit.kapila16@gmail.com>
To: SATYANARAYANA NARLAPURAM <satyanarlapuram@gmail.com>, Hou, Zhijie/侯 志杰 <houzj.fnst@fujitsu.com>
Cc: PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2026-05-29T22:18:41Z
Lists: pgsql-hackers
On Tue, May 26, 2026 at 3:50 PM SATYANARAYANA NARLAPURAM
<satyanarlapuram@gmail.com> wrote:
>
> HI hackers,
>
> When ALTER SUBSCRIPTION SET (retain_dead_tuples = true, origin = 'none')
> is used, the publisher version/recovery check was bypassed because the
> origin handling unconditionally overwrote check_pub_rdt to false.
>
> Fix by using |= instead of = so that the flag set by retain_dead_tuples
> cannot be cleared by a subsequent origin assignment in the same command.
>

Thanks for catching this. Your fix LGTM. I won't be able to commit
today as I have to travel. In the meantime, let's see if Hou-San or
others have any comments.

-- 
With Regards,
Amit Kapila.