On Wed, Sep 17, 2025 at 2:46 PM <jiaoshuntian@highgo.com> wrote:
> I can reproduce the same issue using the script you provided.
This is a known bug. See discussions in [1], where I proposed a
simple fix for it that disables foreign modifications in problematic
cases as shown by Daniil.
> I think a good way to fix would be to use `(tableoid, ctid)` together as the row
> identifier in row-by-row updates/deletes. This combination is unique
> across partitions and avoids the incorrect behavior, while still keeping
> LIMIT support.
Agreed; actually I created such a fix as well a long time ago, but
unfortunately it has many issues...
Best regards,
Etsuro Fujita
[1] https://www.postgresql.org/message-id/flat/20250718175314.4513c00a%40karst
