Github user zuyu commented on the issue: https://github.com/apache/incubator-quickstep/pull/98 @hbdeshmukh I guess the possible performance improvements come from a) using `DateLit` instead of `DatetimeLit`, b) a better implementation of `Extract` function, but not the internal representation of `DateLit`. @hakanmemisoglu Could you please split the changes in this PR into multiple new PRs, and then compare the performance only between two different representation of `DateLit`? Thanks!
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