Re: Skipping logical replication transactions on subscriber side

From: Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com>
To: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
Cc: Greg Nancarrow <gregn4422(at)gmail(dot)com>, "osumi(dot)takamichi(at)fujitsu(dot)com" <osumi(dot)takamichi(at)fujitsu(dot)com>, "houzj(dot)fnst(at)fujitsu(dot)com" <houzj(dot)fnst(at)fujitsu(dot)com>, Alexey Lesovsky <lesovsky(at)gmail(dot)com>, Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Skipping logical replication transactions on subscriber side
Date: 2021-08-23 03:09:21
Message-ID: CAD21AoAqR_5=S6abJNXvnnBig15+fhb4ksuF=qtt_bejDOZ+Xw@mail.gmail.com
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On Thu, Aug 19, 2021 at 10:09 PM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
>
> On Thu, Aug 19, 2021 at 9:14 PM Amit Kapila <amit(dot)kapila16(at)gmail(dot)com> wrote:
> >
> > On Thu, Aug 19, 2021 at 12:47 PM Masahiko Sawada <sawada(dot)mshk(at)gmail(dot)com> wrote:
> > >
> > > On Tue, Aug 17, 2021 at 12:00 PM Greg Nancarrow <gregn4422(at)gmail(dot)com> wrote:
> > > >
> > >
> > > > Another comment on the 0001 patch: as there is now a mix of setting
> > > > "apply_error_callback_arg" members directly and also through inline
> > > > functions, it might look better to have it done consistently with
> > > > functions having prototypes something like the following:
> > > >
> > > > static inline void set_apply_error_context_rel(LogicalRepRelMapEntry *rel);
> > > > static inline void reset_apply_error_context_rel(void);
> > > > static inline void set_apply_error_context_attnum(int remote_attnum);
> > >
> > > It might look consistent, but if we do that, we will end up needing
> > > functions every field to update when we add new fields to the struct
> > > in the future?
> > >
> >
> > Yeah, I also think it is too much, but we can add comments where ever
> > we set the information for error callback. I see it is missing when
> > the patch is setting remote_attnum, see similar other places and add
> > comments if already not there.
>
> Agred. Will add comments in the next version patch.

I've attached updated patches. Please review them.

Regards,

--
Masahiko Sawada
EDB: https://www.enterprisedb.com/

Attachment Content-Type Size
v10-0005-Move-shared-fileset-cleanup-to-before_shmem_exit.patch application/octet-stream 2.6 KB
v10-0001-Add-logical-changes-details-to-errcontext-of-app.patch application/octet-stream 20.7 KB
v10-0003-Add-RESET-command-to-ALTER-SUBSCRIPTION-command.patch application/octet-stream 13.5 KB
v10-0004-Add-skip_xid-option-to-ALTER-SUBSCRIPTION.patch application/octet-stream 39.7 KB
v10-0002-Add-pg_stat_subscription_errors-statistics-view.patch application/octet-stream 47.5 KB

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