> On Wed, Mar 11, 2020 at 06:56:09PM +0800, Andy Fan wrote:
>
> There was a dedicated thread [1] where David explain his idea very
> detailed, and you can also check that messages around that message for
> the context. hope it helps.
Thanks for pointing out to this thread! Somehow I've missed it, and now
looks like we need to make some efforts to align patches for index skip
scan and distincClause elimination.