Re: Data is copied twice when specifying both child and parent table in publication

From: Peter Smith <smithpb2250(at)gmail(dot)com>
To: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
Cc: "wangw(dot)fnst(at)fujitsu(dot)com" <wangw(dot)fnst(at)fujitsu(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, vignesh C <vignesh21(at)gmail(dot)com>, "Takamichi Osumi (Fujitsu)" <osumi(dot)takamichi(at)fujitsu(dot)com>, "shiy(dot)fnst(at)fujitsu(dot)com" <shiy(dot)fnst(at)fujitsu(dot)com>, "houzj(dot)fnst(at)fujitsu(dot)com" <houzj(dot)fnst(at)fujitsu(dot)com>, Amit Langote <amitlangote09(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Greg Nancarrow <gregn4422(at)gmail(dot)com>
Subject: Re: Data is copied twice when specifying both child and parent table in publication
Date: 2023-03-23 22:16:25
Message-ID: CAHut+PvdLSzvRDxgusMj4X7kUuaWYuNCGxfq7Jzpr0oVpoffKQ@mail.gmail.com
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On Thu, Mar 23, 2023 at 5:51 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
>
> On Thu, Mar 23, 2023 at 9:57 AM Peter Smith <smithpb2250(at)gmail(dot)com> wrote:
> >
> > Here are some review comments for patch v20-0001.
> >
> > ======
> > General.
> >
> > 1.
> > That function 'pg_get_publication_tables' does not seem to be
> > described in the PG documentation. Why isn't it in the "System Catalog
> > Information Functions" table [1] ?
> >
> > I asked this same question a long time ago but then the reply [2] was
> > like "it doesn't seem to be a function provided to users".
> >
> > Well, perhaps that just means that the documentation has been
> > accidentally missing for a long time. Does anybody know for sure if
> > the omission of this function from the documentation is deliberate? If
> > nobody here knows, then maybe this can be asked/addressed in a
> > separate thread.
> >
>
> It is better that you start a separate thread to discuss this question
> as it is not related to this patch.
>

OK. I have asked this question in a new thread here [1].

------
[1] https://www.postgresql.org/message-id/CAHut%2BPvGQER0rbNWii1U4c-npDhP-HxfX5yj5fmfBo%3D45z9pPA%40mail.gmail.com

Kind Regards,
Peter Smith.
Fujitsu Australia

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