> On Sat, Feb 20, 2021 at 10:25:59AM +0800, Andy Fan wrote:
>
> The attached is a UnqiueKey with EquivalenceClass patch, I just complete the
> single relation part and may have bugs. I just attached it here for design
> review only. and the not-null-attrs is just v1 which we can continue
> discussing on the original thread[2].
Thanks for the patch. After a short look through it I'm a bit confused
and wanted to clarify, now uniquekeys list could contain both Expr and
EquivalenceClass?