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

Timur Magomedov <t.magomedov@postgrespro.ru>

From: Timur Magomedov <t.magomedov@postgrespro.ru>

To: Japin Li <japinli@hotmail.com>, Peter Smith <smithpb2250@gmail.com>

Cc: "pgsql-hackers@lists.postgresql.org" <pgsql-hackers@lists.postgresql.org>, Tomas Vondra <tomas@vondra.me>, "Aya Iwata (Fujitsu)" <iwata.aya@fujitsu.com>, shveta malik <shveta.malik@gmail.com>

Date: 2025-09-19T14:16:48Z

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

> 
Hi Japin!
> I'm curious about the assert here. Why is it that children must be
> CustomScan?
> It seems that there is a JOIN node, and we do not support customizing
> the JOIN
> operation, right?

You are right, looks like we don't have VCI joins and this was the
cause of the problem. Thanks!

-- 
Regards,
Timur Magomedov