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: Mark Dilger <mark.dilger@enterprisedb.com>
Cc: Masahiko Sawada <sawada.mshk@gmail.com>, Greg Nancarrow <gregn4422@gmail.com>, "tanghy.fnst@fujitsu.com" <tanghy.fnst@fujitsu.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: 2021-09-04T03:38:15Z
Lists: pgsql-hackers 
On Sat, Sep 4, 2021 at 8:54 AM Amit Kapila <amit.kapila16@gmail.com> wrote:
>
> On Fri, Sep 3, 2021 at 2:15 AM Mark Dilger <mark.dilger@enterprisedb.com> wrote:
> >
> > > On Aug 30, 2021, at 12:06 AM, Masahiko Sawada <sawada.mshk@gmail.com> wrote:
> > >
> > > I've attached rebased patches.
> > For the v12-0003 patch:
> >
> > I believe this feature is needed, but it also seems like a very powerful foot-gun.  Can we do anything to make it less likely that users will hurt themselves with this tool?
> >
>
> This won't do any more harm than currently, users can do via
> pg_replication_slot_advance and the same is documented as well, see
> [1].
>

Sorry, forgot to give the link.

[1] - https://www.postgresql.org/docs/devel/logical-replication-conflicts.html

-- 
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