On Wed, Apr 9, 2025 at 6:18 PM David Rowley <dgrowle...@gmail.com> wrote:
> On Wed, 9 Apr 2025 at 18:48, Richard Guo <guofengli...@gmail.com> wrote:
> > Perhaps we could spend some planner cycles proving inner_unique for
> > anti joins, so that Memoize nodes can be considered for them?

> Worth a try. It should be pretty easy to enable, as far as I can see.
> It might just be a case of shuffling the cases around in the switch
> statement in add_paths_to_joinrel().

Right.  Here is a patch for that.

Thanks
Richard

Attachment: v1-0001-Enable-use-of-Memoize-for-ANTI-joins.patch
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