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In-Reply-To: 
 <CAHut+PvGpMRQ4crU5PN-zSO6iUg5B-3wzB0_h9=fPdQ-5-S9Pg@mail.gmail.com>
From: Shlok Kyal <shlok.kyal.oss@gmail.com>
Date: Tue, 16 Dec 2025 14:51:18 +0530
Message-ID: 
 <CANhcyEXp_AH-oms=psQ3jkMdvd9kp57d-6f7=8yuz_EX0VTa7g@mail.gmail.com>
Subject: Re: Skipping schema changes in publication
To: Peter Smith <smithpb2250@gmail.com>
Cc: vignesh C <vignesh21@gmail.com>, Amit Kapila <amit.kapila16@gmail.com>,
	"Zhijie Hou (Fujitsu)" <houzj.fnst@fujitsu.com>, YeXiu <1518981153@qq.com>,
	Ian Lawrence Barwick <barwick@gmail.com>,
	Bharath Rupireddy <bharath.rupireddyforpostgres@gmail.com>,
	PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Content-Type: text/plain; charset="UTF-8"
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Archived-At: 
 <https://www.postgresql.org/message-id/CANhcyEXp_AH-oms%3DpsQ3jkMdvd9kp57d-6f7%3D8yuz_EX0VTa7g%40mail.gmail.com>
Precedence: bulk

On Thu, 11 Dec 2025 at 04:31, Peter Smith <smithpb2250@gmail.com> wrote:
>
> On Wed, Dec 10, 2025 at 4:49=E2=80=AFAM Shlok Kyal <shlok.kyal.oss@gmail.=
com> wrote:
> >
> > On Mon, 24 Nov 2025 at 13:03, Peter Smith <smithpb2250@gmail.com> wrote=
:
> > >
> ...
> > > 21.
> > > I was wondering if the "describe" for tables (e.g. \d+) should also
> > > show the publications where the table is an ECEPT TABLE? How else is
> > > the user going to know it has been excluded by some publication?
> > >
> > I thought it would be sufficient to show only the list of
> > publications, the table is part of.
> > Users can check the excluded tables by checking the description of the
> > publication using \dRp+.
> > Will it be not sufficient?
> > I am not sure why we should show a list of publications which it is not=
 part of?
> > Am I missing something thoughts?
>
> For this comment, I was imagining a scenario where there are dozens of
> publications, and the user is wondering why their table is not being
> replicated to the subscriber like they expected it would be.
>
> Yes, they could use \dRs+ to identify the publications excluding it,
> but that will be quite painful if there are very many publications
> they have to check. IIUC, there is no other way to check it without
> digging into System Catalogs.
>
> That's why I thought it might be useful if the \d+ could also show
> publications where the table was named in an EXCEPT TABLE clause.
>
I thought more about this point and it can be useful. I have added the
changes for the same in the latest patch in [1].

[1]: https://www.postgresql.org/message-id/CANhcyEWg2WbEW_fFwk0D3J2KBrUF7th=
6VrE%2BgvESgkUKP9VpZg%40mail.gmail.com

Thanks,
Shlok Kyal