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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2022/03/15 14:00:56 UTC

[GitHub] [arrow-datafusion] xudong963 commented on issue #2015: Eliminate some filter which was pushed down

xudong963 commented on issue #2015:
URL: https://github.com/apache/arrow-datafusion/issues/2015#issuecomment-1068022406


   I agree with @Dandandan. 
   
   Btw I noticed you have done some works in #2002 (sorry for not helping review). I want to point out if we can directly process the real redundant filter in the **filter push down** optimize rule. 
   Because as far as I remember, the filter push-down optimization rule has a data structure that stores the scalar exprs in the filter operator, and we can directly delete it in there.


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