Re: BUG #18806: When enable_rartitionwise_join is set to ON, the database shuts down abnormally

On Wed, 2025-02-12 at 07:01 +0000, PG Bug reporting form wrote:
> PostgreSQL version: 17.2
> Operating system:   CentOS Linux release 7.9.2009 (Core)
> Description:       
>
> After upgrading PG17.2, testing found that when enable_rartitionwise_join is
> set to ON, when executing a query, if the main query and subquery have the
> same table, the query will report an error.
>
> The database log shows the following error:
> LOG:  server process (PID 24796) was terminated by signal 6: Aborted
> DETAIL:  Failed process was running: select * from test t join orders o on
> t.order_id =o.order_id where t.order_id in (select order_id from orders);
> LOG:  terminating any other active server processes

That is a crash that may well indicate a PostgreSQL bug.

However, without a way to reproduce the behavior, we won't be able to fix
the problem. Try to come up with a self-contained test case. It would
also be interesting to know which PostgreSQL extensions are present.

Yours,
Laurenz Albe

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