Re: [WIP]Vertical Clustered Index (columnar store extension) - take2

Peter Smith <smithpb2250@gmail.com>

From: Peter Smith <smithpb2250@gmail.com>

To: "pgsql-hackers@lists.postgresql.org" <pgsql-hackers@lists.postgresql.org>

Cc: Tomas Vondra <tomas@vondra.me>, "Aya Iwata (Fujitsu)" <iwata.aya@fujitsu.com>, Japin Li <japinli@hotmail.com>, Timur Magomedov <t.magomedov@postgrespro.ru>, shveta malik <shveta.malik@gmail.com>

Date: 2025-08-20T02:27:00Z

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 →

Mark ItemPointer arguments as const throughout
- e1ac846f3d28 19 (unreleased) cited
Reorganize GUC structs
- a13833c35f9e 19 (unreleased) cited
Eliminate XLOG_HEAP2_VISIBLE from vacuum phase III
- add323da40a6 19 (unreleased) cited
Update various forward declarations to use typedef
- d4d1fc527bdb 19 (unreleased) cited
Pathify RHS unique-ification for semijoin planning
- 24225ad9aafc 19 (unreleased) cited
Revert "Don't lock partitions pruned by initial pruning"
- 1722d5eb05d8 18.0 cited
For inplace update, send nontransactional invalidations.
- 243e9b40f1b2 18.0 cited
Remove nearly-unused SizeOfIptrData macro.
- 8023b5827fba 10.0 cited

Attachments

v19-0003-VCI-module-documentation.patch (application/octet-stream) patch v19-0003
v19-0001-VCI-changes-to-postgres-core.patch (application/octet-stream) patch v19-0001
v19-0002-VCI-module-main.patch (application/octet-stream) patch v19-0002

Here are the latest v19* patches.

Changes include:

PATCH 0002.
Cleaning
- Removed unused code (per Timur's patch 0002 [1])
- Removed vci_pg_copy.h; Combined this into postrgesql_copy.h
Code changes
- Changed linear search to switch (per Timur's patch 0003 [1])
- Removed UpperUniquePath (fix build issue due to master commit 24225ad)

======
[1] Timur's patches.
https://www.postgresql.org/message-id/07c53a696afb8089d724214dbaeded6fcaa8fc0d.camel%40postgrespro.ru

Kind Regards,
Peter Smith.
Fujitsu Australia