From: | Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> |
---|---|
To: | Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com> |
Cc: | vignesh C <vignesh21(at)gmail(dot)com>, "kuroda(dot)hayato(at)fujitsu(dot)com" <kuroda(dot)hayato(at)fujitsu(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
Subject: | Re: Handle infinite recursion in logical replication setup |
Date: | 2022-03-31 03:44:53 |
Message-ID: | CAA4eK1JzPw=SF0pgwNbq6Dke9vxrpGZpFyg5B3HR7=ziB1+2kg@mail.gmail.com |
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Lists: | pgsql-hackers |
On Wed, Mar 30, 2022 at 7:40 PM Ashutosh Bapat
<ashutosh(dot)bapat(dot)oss(at)gmail(dot)com> wrote:
> >
> > The changes for the same are available int the v5 patch available at [1].
> > [1] - https://www.postgresql.org/message-id/CALDaNm3wCf0YcvVo%2BgHMGpupk9K6WKJxCyLUvhPC2GkPKRZUWA%40mail.gmail.com
> >
>
> cb->truncate_cb = pg_decode_truncate;
> cb->commit_cb = pg_decode_commit_txn;
> cb->filter_by_origin_cb = pg_decode_filter;
> + cb->filter_remote_origin_cb = pg_decode_filter_remote_origin;
>
> Why do we need a new hook? Can we use filter_by_origin_cb?
>
I also think there is no need for a new hook in this case but I might
also be missing something that Vignesh has in his mind.
> Also it looks like
> implementation of pg_decode_filter and pg_decode_filter_remote_origin is same,
> unless my eyes are deceiving me.
>
> - <literal>binary</literal>, <literal>streaming</literal>, and
> - <literal>disable_on_error</literal>.
> + <literal>binary</literal>, <literal>streaming</literal>,
> + <literal>disable_on_error</literal> and
> + <literal>publish_local_only</literal>.
>
> "publish_local_only" as a "subscription" option looks odd. Should it be
> "subscribe_local_only"?
>
I also think "subscribe_local_only" fits better here.
--
With Regards,
Amit Kapila.
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