Re: BUG #19484: Segmentation fault triggered by FDW

Ayush Tiwari <ayushtiwari.slg01@gmail.com>

From: Ayush Tiwari <ayushtiwari.slg01@gmail.com>

To: Matheus Alcantara <matheusssilv97@gmail.com>

Cc: Rafia Sabih <rafia.pghackers@gmail.com>, 798604270@qq.com, pgsql-bugs@lists.postgresql.org, Etsuro Fujita <etsuro.fujita@gmail.com>

Date: 2026-06-10T05:15:27Z

Lists: pgsql-bugs

Hi,

On Tue, 9 Jun 2026 at 20:40, Matheus Alcantara <matheusssilv97@gmail.com>
wrote:

>
> I think both patches should be squashed into a single one since they fix
> the same underlying issue. I've done this locally and also ran pg_indent
> over the result. Attached is the combined patch.
>

Thanks for this!


> One minor naming observation: the new fdwPrivLists field in
> ModifyTableState doesn't follow the mt_ prefix convention used by the
> other re-indexed lists (mt_updateColnosLists, mt_mergeActionLists,
> mt_mergeJoinConditions). Should we rename it to mt_fdwPrivLists for
> consistency?
>

I think yes, it makes sense to rename it.

Regards,
Ayush

Commits

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

Avoid ABI break in ModifyTableState from the FDW pruning fix
- bba4e095d250 18 (unreleased) landed
Re-index ModifyTable FDW arrays when pruning result relations
- b43f8aa4cb30 19 (unreleased) landed
- 1ef917e3a61a 18 (unreleased) landed
Fix universal builds on MacOS
- 901ed9b352b4 19 (unreleased) cited
Track unpruned relids to avoid processing pruned relations
- cbc127917e04 18.0 cited