Re: MemoizePath fails to work for partitionwise join

On Tue, Dec 6, 2022 at 1:42 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)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