Horton

Re: row filtering for logical replication

Peter Smith <smithpb2250@gmail.com>

View thread
From: Peter Smith <smithpb2250@gmail.com>
To: "houzj.fnst@fujitsu.com" <houzj.fnst@fujitsu.com>
Cc: Amit Kapila <amit.kapila16@gmail.com>, Alvaro Herrera <alvherre@alvh.no-ip.org>, Euler Taveira <euler@eulerto.com>, Greg Nancarrow <gregn4422@gmail.com>, vignesh C <vignesh21@gmail.com>, Ajin Cherian <itsajin@gmail.com>, "tanghy.fnst@fujitsu.com" <tanghy.fnst@fujitsu.com>, Dilip Kumar <dilipbalaut@gmail.com>, Rahila Syed <rahilasyed90@gmail.com>, Peter Eisentraut <peter.eisentraut@enterprisedb.com>, Önder Kalacı <onderkalaci@gmail.com>, japin <japinli@hotmail.com>, Michael Paquier <michael@paquier.xyz>, David Steele <david@pgmasters.net>, Craig Ringer <craig@2ndquadrant.com>, Amit Langote <amitlangote09@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2022-01-26T22:25:13Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Release cache tuple when no longer needed

  2. Add some additional tests for row filters in logical replication.

  3. Fix one of the tests introduced in commit 52e4f0cd47.

  4. Allow specifying row filters for logical replication of tables.

  5. Move scanint8() to numutils.c

  6. Replace Test::More plans with done_testing

  7. Reduce relcache access in WAL sender streaming logical changes

  8. Small cleanups related to PUBLICATION framework code

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

  10. Allow publishing the tables of schema.

  11. Doc: improve documentation of CREATE/ALTER SUBSCRIPTION.

  12. Add PublicationTable and PublicationRelInfo structs

  13. Remove unused argument "txn" in maybe_send_schema().

  14. Add prepare API support for streaming transactions in logical replication.

  15. Unify PostgresNode's new() and get_new_node() methods

  16. Use l*_node() family of functions where appropriate

  17. Add support for prepared transactions to built-in logical replication.

  18. Restore the portal-level snapshot after procedure COMMIT/ROLLBACK.

  19. Rename a parse node to be more general

  20. Remove unused column atttypmod from initial tablesync query

  21. SEARCH and CYCLE clauses

On Tue, Jan 25, 2022 at 2:18 PM houzj.fnst@fujitsu.com
<houzj.fnst@fujitsu.com> wrote:
>
> On Monday, January 24, 2022 4:38 PM Peter Smith <smithpb2250@gmail.com>
> >
...
> > 5. src/include/catalog/pg_publication.h - typedef struct PublicationDesc
> >
> > +typedef struct PublicationDesc
> > +{
> > + /*
> > + * true if the columns referenced in row filters which are used for
> > +UPDATE
> > + * or DELETE are part of the replica identity, or the publication
> > +actions
> > + * do not include UPDATE or DELETE.
> > + */
> > + bool rf_valid_for_update;
> > + bool rf_valid_for_delete;
> > +
> > + AttrNumber invalid_rfcol_update;
> > + AttrNumber invalid_rfcol_delete;
> > +
> > + PublicationActions pubactions;
> > +} PublicationDesc;
> > +
> >
> > I did not see any point really for the pairs of booleans and AttNumbers.
> > AFAIK both of them shared exactly the same validation logic so I think you can
> > get by using fewer members here.
>
> the pairs of booleans are intended to fix the problem[2] reported earlier.
> [2] https://www.postgresql.org/message-id/OS0PR01MB611367BB85115707CDB2F40CFB5A9%40OS0PR01MB6113.jpnprd01.prod.outlook.com
> >

OK. Thanks for the info.

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