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In-Reply-To: 
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From: Nisha Moond <nisha.moond412@gmail.com>
Date: Fri, 3 Jul 2026 22:15:14 +0530
Message-ID: 
 <CABdArM4-qUkbrpjVMOqjq3TJqddzBhWDJQsATyZHHaMTp-MdEA@mail.gmail.com>
Subject: Re: Support EXCEPT for TABLES IN SCHEMA publications
To: Amit Kapila <amit.kapila16@gmail.com>
Cc: shveta malik <shveta.malik@gmail.com>,
 Peter Smith <smithpb2250@gmail.com>,
	Zsolt Parragi <zsolt.parragi@percona.com>, pgsql-hackers@lists.postgresql.org
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Precedence: bulk

On Thu, Jul 2, 2026 at 2:34=E2=80=AFPM Amit Kapila <amit.kapila16@gmail.com=
> wrote:
>
> On Wed, Jul 1, 2026 at 3:54=E2=80=AFPM shveta malik <shveta.malik@gmail.c=
om> wrote:
> >
> > On Wed, Jul 1, 2026 at 3:42=E2=80=AFPM Nisha Moond <nisha.moond412@gmai=
l.com> wrote:
> > >
> > > During tests, I found one behavior that needs discussion:
> > >
> > > Consider a partition hierarchy where the root table is in schema s2, =
a
> > > child partition is in schema s1, and the publication includes both
> > > schemas but excludes only the root table.
> >
> > This is the exact scenario I had in mind when reviewing
> > 'get_rel_sync_entry-->GetTopMostAncestorInPublication' flow, thus I
> > suggested adding comments about intentionally fetching the 'Exclude
> > list' only for the Root. I was about to test it in my next review
> > cycle.
> >
> > The first thought is that if root is excluded, the partition should
> > also be excluded to maintain consistency with the 'ALL TABLES Except
> > ROOT' behaviour. But then it needs to be documented too.
> >
>
> +1. It is good to be consistent here with similar ALL TABLES case.
> BTW, as we can't exclude the child table explicitly, this anyway seems
> like the only option because otherwise, users won't have any way to
> exclude the child table.
>

I've updated the related comments in v18 and also updated the CREATE
PUBLICATION docs to clarify this behavior.

--
Thanks,
Nisha