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From: Amit Kapila <amit.kapila16@gmail.com>
Date: Thu, 26 Mar 2026 16:13:50 +0530
Message-ID: 
 <CAA4eK1+ATysKLptbK+x8ygB7OAa=LHw3XTqMxKjVMsTRfdbRzQ@mail.gmail.com>
Subject: Re: Initial COPY of Logical Replication is too slow
To: Masahiko Sawada <sawada.mshk@gmail.com>
Cc: Jan Wieck <jan@wi3ck.info>, pgsql-hackers@lists.postgresql.org
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On Wed, Mar 25, 2026 at 10:37=E2=80=AFAM Masahiko Sawada <sawada.mshk@gmail=
.com> wrote:
>
> I figured out that the join with pg_publication works as a filter;
> non-existence publication names are not passed to the function. If we
> pass the list of publication names to the new function signature,
> while we can simplify the patch and avoid a join, we would change the
> existing function behavior so that it ignores non-existence
> publications.
>
> I've attached the updated patch. The 0001 patch just incorporated the
> review comments so far, and the 0002 patch is a draft change for the
> above idea. Since pg_get_publication_tables(VARIADIC text) is not a
> documented function, I think we can accept small behavior changes. So
> I'm going to go with this direction.
>

What behaviour change are you referring to? In general, the direction
appears right to me.

--=20
With Regards,
Amit Kapila.