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Re: Column Filtering in Logical Replication

Peter Smith <smithpb2250@gmail.com>

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From: Peter Smith <smithpb2250@gmail.com>
To: Alvaro Herrera <alvherre@alvh.no-ip.org>
Cc: Peter Eisentraut <peter.eisentraut@enterprisedb.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2022-07-25T07:57:09Z
Lists: pgsql-hackers 
On Sat, Dec 11, 2021 at 12:24 AM Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
>
> On 2021-Dec-10, Peter Eisentraut wrote:
>
...
>
> > There was no documentation, so I wrote a bit (patch 0001).  It only touches
> > the CREATE PUBLICATION and ALTER PUBLICATION pages at the moment.  There was
> > no mention in the Logical Replication chapter that warranted updating.
> > Perhaps we should revisit that chapter at the end of the release cycle.
>
> Thanks.  I hadn't looked at the docs yet, so I'll definitely take this.
>

Was this documentation ever written?

My assumption was that for PG15 there might be a whole new section
added to Chapter 31 [1] for describing "Column Lists" (i.e. the Column
List equivalent of the "Row Filters" section)

------
[1] https://www.postgresql.org/docs/15/logical-replication.html

Kind Regards,
Peter Smith.
Fujitsu Australia

Commits

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

  1. Doc: Explain about Column List feature.

  2. Doc: fix column list vs. replica identity rules.

  3. Prohibit combining publications with different column lists.

  4. Fix the check to limit sync workers.

  5. Wait for subscription to sync in t/031_column_list.sql

  6. Move prattrs to the pg_publication_rel section in docs

  7. Allow specifying column lists for logical replication

  8. Fix row filters with multiple publications

  9. Fix publish_as_relid with multiple publications

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

  11. Add index on pg_publication_rel.prpubid

  12. Avoid using DefElemAction in AlterPublicationStmt

  13. Small cleanups related to PUBLICATION framework code

  14. Add PublicationTable and PublicationRelInfo structs

  15. Fix various concurrency issues in logical replication worker launching