Re: Column Filtering in Logical Replication

On Tue, Aug 2, 2022 at 6:57 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
>
> 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
>

OK. Unless somebody else has already started this work then I can do
this. I will post a draft patch in a few days.

------
Kind Regards,
Peter Smith.
Fujitsu Australia