Horton

Re: Skipping logical replication transactions on subscriber side

Amit Kapila <amit.kapila16@gmail.com>

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From: Amit Kapila <amit.kapila16@gmail.com>
To: Masahiko Sawada <sawada.mshk@gmail.com>
Cc: Greg Nancarrow <gregn4422@gmail.com>, "osumi.takamichi@fujitsu.com" <osumi.takamichi@fujitsu.com>, "houzj.fnst@fujitsu.com" <houzj.fnst@fujitsu.com>, Alexey Lesovsky <lesovsky@gmail.com>, Peter Eisentraut <peter.eisentraut@enterprisedb.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2021-08-19T12:14:42Z
Lists: pgsql-hackers 
On Thu, Aug 19, 2021 at 12:47 PM Masahiko Sawada <sawada.mshk@gmail.com> wrote:
>
> On Tue, Aug 17, 2021 at 12:00 PM Greg Nancarrow <gregn4422@gmail.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.

-- 
With Regards,
Amit Kapila.

Commits

  1. Test ALIGNOF_DOUBLE==4 compatibility under ALIGNOF_DOUBLE==8.

  2. Reorder subskiplsn in pg_subscription to avoid alignment issues.

  3. Add ALTER SUBSCRIPTION ... SKIP.

  4. Optionally disable subscriptions on error.

  5. Update docs of logical replication for commit 8d74fc96db.

  6. Respect permissions within logical replication.

  7. Fix regression test failure caused by commit 8d74fc96db.

  8. Add a view to show the stats of subscription workers.

  9. Add logical change details to logical replication worker errcontext.

  10. Rename LOGICAL_REP_MSG_STREAM_END to LOGICAL_REP_MSG_STREAM_STOP.

  11. Fix typo in protocol.sgml.

  12. Remove unused argument in apply_handle_commit_internal().

  13. Fix replication of in-progress transactions in tablesync worker.

  14. Reorder pg_sequence columns to avoid alignment issue