Re: Column Filtering in Logical Replication

On Mon, Jul 25, 2022 at 1:27 PM Peter Smith <smithpb2250(at)gmail(dot)com> wrote:
>
> On Sat, Dec 11, 2021 at 12:24 AM Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote:
> >
> > On 2021-Dec-10, Peter Eisentraut wrote:
> >
> ...
> >
> > > There was no documentation, so I wrote a bit (patch 0001). It only touches
> > > the CREATE PUBLICATION and ALTER PUBLICATION pages at the moment. There was
> > > no mention in the Logical Replication chapter that warranted updating.
> > > Perhaps we should revisit that chapter at the end of the release cycle.
> >
> > Thanks. I hadn't looked at the docs yet, so I'll definitely take this.
> >
>
> Was this documentation ever written?
>
> My assumption was that for PG15 there might be a whole new section
> added to Chapter 31 [1] for describing "Column Lists" (i.e. the Column
> List equivalent of the "Row Filters" section)
>

+1. I think it makes sense to give more description about this feature
similar to Row Filters. Note that apart from the main feature commit
[1], we have prohibited certain cases in commit [2]. So, one might
want to cover that as well.

[1] - https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=923def9a533a7d986acfb524139d8b9e5466d0a5
[2] - https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=fd0b9dcebda7b931a41ce5c8e86d13f2efd0af2e

--
With Regards,
Amit Kapila.