Dandandan commented on pull request #508:
URL: https://github.com/apache/arrow-datafusion/pull/508#issuecomment-855245221


   > @alamb is it enough to add the `like` and `not like` where I added them? 
Not sure of where else I need to change.
   > 
   > @Dandandan I'm unable to configure the TPC benchmark data (rather, 
converting the files to Parquet).
   > 
   > If you don't mind, may you please check if Q{14|16|20} perform any better 
with this change? They use `like` and `not like` that can be pruned.
   
   Ah I see, it has some patterns that don't match any value at all... However 
we don't support query 14/16/20 yet:
   
   https://github.com/apache/arrow-datafusion/issues/165
   https://github.com/apache/arrow-datafusion/issues/167
   https://github.com/apache/arrow-datafusion/issues/171


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