Richard Guo <guofengli...@gmail.com> writes:
> Hi All, > > Eager aggregation is a query optimization technique that partially > pushes a group-by past a join, and finalizes it once all the relations > are joined. Eager aggregation reduces the number of input rows to the > join and thus may result in a better overall plan. This technique is > thoroughly described in the 'Eager Aggregation and Lazy Aggregation' > paper [1]. This is a really helpful and not easy task, even I am not sure when I can spend time to study this, I want to say "Thanks for working on this!" first and hope we can really progress on this topic. Good luck! -- Best Regards Andy Fan
