Re: MemoizePath fails to work for partitionwise join

On Tue, Dec 6, 2022 at 1:42 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:

> One small problem is that top_parent doesn't exist in the back branches,
> so I had to substitute a much uglier lookup in order to make this work
> there.  I'm surprised that we got away without top_parent for this long
> TBH, but anyway this fix validates the wisdom of 2f17b5701.
>
> So, pushed with some cosmetic adjustments and the modified back-branch
> code.


Thanks for the modifying and pushing and the back-patching.  I didn't
realize how the fix should look like if without top_parent.  Thanks to
the work in 2f17b5701, it makes life much easier.

Thanks
Richard