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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/05/21 00:30:53 UTC

[GitHub] [arrow-datafusion] Jimexist opened a new issue #371: further optimization plan for window aggregation exec

Jimexist opened a new issue #371:
URL: https://github.com/apache/arrow-datafusion/issues/371


   👍 
   
   Eventually it would be cool to push the partitioning expressions into a `RepartitionExec` so that we can execute the window functions in parallel on different windows but that is definitely an optimization for the future (not this initial PR) :)
   
   _Originally posted by @alamb in https://github.com/apache/arrow-datafusion/pull/334#discussion_r636118198_


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