zhouyuan commented on pull request #35789:
URL: https://github.com/apache/spark/pull/35789#issuecomment-1064715855


   @sigmod did some quick tests on Q1 and it's working. :+1:  
   Just not sure if this is in this PR's scope: the filter could be pushed down 
to table scan node[1], thus filescan is also faster. 
   
![image](https://user-images.githubusercontent.com/43917/157791466-8442209a-8e1d-4276-bee6-2b81770a44cb.png)
   
   [1] [dynamic filter in 
presto](https://trino.io/docs/current/admin/dynamic-filtering.html)
   


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