On Mon, 20 Feb 2023 at 16:18, Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> wrote:
>
> As part of the MERGE RETURNING patch I noticed a suspicious Assert()
> in ExecInitPartitionInfo() that looked like it needed updating for
> MERGE.
>
> After more testing, I can confirm that this is indeed a pre-existing
> bug, that can be triggered using MERGE into a partitioned table that
> has RLS enabled (and hence non-empty withCheckOptionLists to
> initialise).
>
> So I think we need something like the attached.
>
Pushed and back-patched.
Regards,
Dean