Re: [(known) BUG] DELETE/UPDATE more than one row in partitioned foreign table
Nikita Malakhov <hukutoc@gmail.com>
From: Nikita Malakhov <hukutoc@gmail.com>
To: Etsuro Fujita <etsuro.fujita@gmail.com>
Cc: Jehan-Guillaume de Rorthais <jgdr@dalibo.com>,
pgsql-hackers@lists.postgresql.org
Date: 2026-06-06T20:33:32Z
Lists: pgsql-hackers
Hi! Thanks for working on the subject! I'll try to take a look inside in a couple of days. On Fri, Jun 5, 2026 at 2:59 PM Etsuro Fujita <etsuro.fujita@gmail.com> wrote: > On Mon, Jun 1, 2026 at 7:44 PM Etsuro Fujita <etsuro.fujita@gmail.com> > wrote: > > I think we should first work on a back-patchable solution. So I'd > > like to re-propose the patch that I proposed in this thread before to > > disallow UPDATE/DELETE in problematic cases [1]. Attached is a new > > version of the patch. Changes are: > > > > * Renamed the new table option inherited to remotely_inherited, to > > avoid confusion with local inheritance. > > * Moved the logic to prevent problematic UPDATE/DELETE from a planner > > function to an executor function, to avoid throwing an error > > unnecessarily when there are no target rows to update/delete. > > * Added docs to postgres-fdw.sgml. > > > > I'm planning to add the postgresImportForeignSchema() support in the > > next version. > > I created the patch to add that support on top of the patch I sent in > a previous email, which I'm attaching along with the base patch. It's > the same as before, except that I fixed a typo in docs pointed out by > Michael-san off-list. > > Comments welcome! > > Best regards, > Etsuro Fujita > -- Regards, Nikita Malakhov Postgres Professional The Russian Postgres Company https://postgrespro.ru/