Horton

Re: Segfault in RI UPDATE CASCADE on partitioned tables with LIKE+ATTACH child (attnum drift)

David Rowley <dgrowleyml@gmail.com>

View thread
From: David Rowley <dgrowleyml@gmail.com>
To: Dmitry Fomin <fomin.list@gmail.com>
Cc: pgsql-bugs@lists.postgresql.org
Date: 2025-10-17T01:21:00Z
Lists: pgsql-bugs

Commits

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

  1. Fix incorrect logic for caching ResultRelInfos for triggers

On Fri, 17 Oct 2025 at 10:53, Dmitry Fomin <fomin.list@gmail.com> wrote:
> -- Crash repro: cascaded UPDATE across partitions
> UPDATE t.pipelines
> SET partition_id = 50
> WHERE partition_id = 102 AND id = 1;
>
>
> server closed the connection unexpectedly

Thanks for the detailed report. It seems to have been caused by
ba9a7e3921. For some reason the ResultRelInfo.ri_RootResultRelInfo
isn't set for this partition which causes ExecGetChildToRootMap() to
think no translation is required.

More to come...

David