Horton

Re: [BUG] Fix DETACH with FK pointing to a partitioned table fails

Alvaro Herrera <alvherre@alvh.no-ip.org>

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From: Alvaro Herrera <alvherre@alvh.no-ip.org>
To: tender wang <tndrwang@gmail.com>
Cc: Jehan-Guillaume de Rorthais <jgdr@dalibo.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2023-08-03T09:02:43Z
Lists: pgsql-hackers 
On 2023-Aug-03, tender wang wrote:

> I think  old "sub-FK" should not be dropped, that will be violates foreign
> key constraint.

Yeah, I've been playing more with the patch and it is definitely not
doing the right things.  Just eyeballing the contents of pg_trigger and
pg_constraint for partitions added by ALTER...ATTACH shows that the
catalog contents are inconsistent with those added by CREATE TABLE
PARTITION OF.

-- 
Álvaro Herrera         PostgreSQL Developer  —  https://www.EnterpriseDB.com/

Commits

  1. Fix some more bugs in foreign keys connecting partitioned tables

  2. Restructure foreign key handling code for ATTACH/DETACH

  3. Create foreign key triggers in partitioned tables too