Re: BUG #18541: Reattaching a partition referenced by a foreign key fails with an error

PG Bug reporting form <noreply(at)postgresql(dot)org> 于2024年7月15日周一 21:02写道：

> The following bug has been logged on the website:
>
> Bug reference: 18541
> Logged by: Alexander Lakhin
> Email address: exclusion(at)gmail(dot)com
> PostgreSQL version: 17beta2
> Operating system: Ubuntu 22.04
> Description:
>
> The following script:
> CREATE TABLE t1 (a int, PRIMARY KEY (a));
> CREATE TABLE t (a int, PRIMARY KEY (a), FOREIGN KEY (a) REFERENCES t1)
> PARTITION BY LIST (a);
> ALTER TABLE t ATTACH PARTITION t1 FOR VALUES IN (1);
> ALTER TABLE t DETACH PARTITION t1;
> ALTER TABLE t ATTACH PARTITION t1 FOR VALUES IN (1);
>
> ends up with the error complaining about check triggers:
> ERROR: XX000: could not find ON INSERT check triggers of foreign key
> constraint 16400
> LOCATION: GetForeignKeyCheckTriggers, tablecmds.c:11260
>
> Reproduced on REL_15_STABLE (starting from f4566345c) .. master.
>
> Hi Alexander,
I saw the same error in [1]. I guess it is same issue.
I send a patch in [1], but it may need a more work.

[1] https://www.postgresql.org/message-id/20230705233028.2f554f73%40karst

--
Tender Wang