Re: Logical Replication of sequences

amul sul <sulamul@gmail.com>

From: Amul Sul <sulamul@gmail.com>

To: vignesh C <vignesh21@gmail.com>

Cc: Amit Kapila <amit.kapila16@gmail.com>, Yogesh Sharma <yogesh.sharma@catprosystems.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Peter Eisentraut <peter@eisentraut.org>, Tomas Vondra <tomas.vondra@enterprisedb.com>, Euler Taveira <euler@eulerto.com>, Michael Paquier <michael@paquier.xyz>, "Hayato Kuroda (Fujitsu)" <kuroda.hayato@fujitsu.com>, Hou, Zhijie/侯志杰 <houzj.fnst@fujitsu.com>, Sawada Masahiko <sawada.mshk@gmail.com>, "Katz, Jonathan" <jkatz@amazon.com>

Date: 2024-06-10T06:54:04Z

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 →

Doc: Add documentation for sequence synchronization.
- 55cefadde874 19 (unreleased) landed
Remove unused assignment in CREATE PUBLICATION grammar.
- bfb7419b0bbe 19 (unreleased) landed
Add seq_sync_error_count to subscription statistics.
- f6a4c498dcf6 19 (unreleased) landed
Fix few issues in commit 5509055d69.
- 5a4eba558aa7 19 (unreleased) landed
Add sequence synchronization for logical replication.
- 5509055d6956 19 (unreleased) landed
Add worker type argument to logical replication worker functions.
- 3e8e05596a02 19 (unreleased) landed
Introduce "REFRESH SEQUENCES" for subscriptions.
- f0b3573c3aac 19 (unreleased) landed
Refactor logical worker synchronization code into a separate file.
- 41c674d2e31e 19 (unreleased) landed
Standardize use of REFRESH PUBLICATION in code and messages.
- 2436b8c047ff 19 (unreleased) landed
Add "ALL SEQUENCES" support to publications.
- 96b378497346 19 (unreleased) landed
Expose sequence page LSN via pg_get_sequence_data.
- b93172ca59f4 19 (unreleased) landed
Resume conflict-relevant data retention automatically.
- 0d48d393d465 19 (unreleased) cited
Post-commit review fixes for 228c370868.
- 1f7e9ba3ac4e 19 (unreleased) cited
Generate GUC tables from .dat file
- 63599896545c 19 (unreleased) cited

On Sat, Jun 8, 2024 at 6:43 PM vignesh C <vignesh21@gmail.com> wrote:

> On Wed, 5 Jun 2024 at 14:11, Amit Kapila <amit.kapila16@gmail.com> wrote:
> [...]
> A new catalog table, pg_subscription_seq, has been introduced for
> mapping subscriptions to sequences. Additionally, the sequence LSN
> (Log Sequence Number) is stored, facilitating determination of
> sequence changes occurring before or after the returned sequence
> state.
>

Can't it be done using pg_depend? It seems a bit excessive unless I'm
missing
something. How do you track sequence mapping with the publication?

Regards,
Amul