Re: Column Filtering in Logical Replication

From: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
To: Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org>
Cc: Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, "houzj(dot)fnst(at)fujitsu(dot)com" <houzj(dot)fnst(at)fujitsu(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Rahila Syed <rahilasyed90(at)gmail(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>, "shiy(dot)fnst(at)fujitsu(dot)com" <shiy(dot)fnst(at)fujitsu(dot)com>
Subject: Re: Column Filtering in Logical Replication
Date: 2022-03-23 02:17:21
Message-ID: CAA4eK1L4QK21rfPviKHcw72hos1SenyKmD1DEjYZjF9RMxdf1g@mail.gmail.com
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On Wed, Mar 23, 2022 at 12:54 AM Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote:
>
> On 2022-Mar-19, Tomas Vondra wrote:
>
> > @@ -174,7 +182,13 @@ ALTER PUBLICATION noinsert SET (publish = 'update, delete');
> > <para>
> > Add some tables to the publication:
> > <programlisting>
> > -ALTER PUBLICATION mypublication ADD TABLE users, departments;
> > +ALTER PUBLICATION mypublication ADD TABLE users (user_id, firstname), departments;
> > +</programlisting></para>
> > +
> > + <para>
> > + Change the set of columns published for a table:
> > +<programlisting>
> > +ALTER PUBLICATION mypublication SET TABLE users (user_id, firstname, lastname), TABLE departments;
> > </programlisting></para>
> >
> > <para>
>
> Hmm, it seems to me that if you've removed the feature to change the set
> of columns published for a table, then the second example should be
> removed as well.
>

As per my understanding, the removed feature is "Alter Publication ...
Alter Table ...". The example here "Alter Publication ... Set Table
.." should still work as mentioned in my email[1].

[1] - https://www.postgresql.org/message-id/CAA4eK1L6YTcx%3DyJfdudr-y98Wcn4rWX4puHGAa2nxSCRb3fzQw%40mail.gmail.com

--
With Regards,
Amit Kapila.

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