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In-Reply-To: 
 <CANhcyEWAQHtUfgNPA2m-+okEh7pXaK5irBm+yzyNVJXL2LUTXw@mail.gmail.com>
From: Peter Smith <smithpb2250@gmail.com>
Date: Fri, 14 Nov 2025 17:44:43 +1100
Message-ID: 
 <CAHut+PuzcKXheZwgNvDJkwK5txd1kzNRxCmcJcbr=_9mGHjKtA@mail.gmail.com>
Subject: Re: Skipping schema changes in publication
To: Shlok Kyal <shlok.kyal.oss@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"
Archived-At: 
 <https://www.postgresql.org/message-id/CAHut%2BPuzcKXheZwgNvDJkwK5txd1kzNRxCmcJcbr%3D_9mGHjKtA%40mail.gmail.com>
Precedence: bulk

Hi Shlok.

Some review comments for patch v27-0001.

======
doc/src/sgml/ref/alter_publication.sgml

1.
+  <para>
+   The <literal>RESET</literal> clause will reset the publication to
the default
+   state. This includes resetting all publication parameters, setting the
+   <literal>ALL TABLES</literal> and <literal>ALL SEQUENCES</literal> flags to
+   <literal>false</literal>, and removing all associated tables and
schemas from
+   the publication.
   </para>

It would be better to give references to the actual
pg_publication.puballtables and .puballsequences flag fields [1]
instead of vaguely calling them the "<literal>ALL TABLES</literal> and
<literal>ALL SEQUENCES</literal> flags".

======
src/backend/commands/publicationcmds.c

AlterPublicationReset:

2.
+ if (pubform->puballtables)
+ CacheInvalidateRelcacheAll();

Does that also need to check ->puballsequences?

======
src/test/regress/sql/publication.sql

3.
If you want to, you can easily combine many of these test cases and
verify them in one go instead of separate ALTER/RESET for every kind
of flag.

~~~

4.
+-- Verify that 'ALL TABLES' flag is reset

Missing test to check the 'ALL SEQUENCES' flag gets reset?

======
[1] https://www.postgresql.org/docs/devel/catalog-pg-publication.html

Kind Regards,
Peter Smith.
Fujitsu Australia.