pgaref opened a new pull request #972:
URL: https://github.com/apache/orc/pull/972


   Change-Id: I3687491a8e430609374ba259d721e98bf4359ba8
   
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   ### What changes were proposed in this pull request?
   When trying to bump Apache Hive to 1.7 I noticed query failures related to 
SArgs pushdown.
   In more detail, Hive may push Partition column filters that are not part of 
the columns, until 1.6 recently these columns were ignored, while 1.7 throws 
IllegalArgumentException. 
   
   
   
   ### Why are the changes needed?
   Align findColumns behaviour between 1.6 and 1.7 release
   
   
   ### How was this patch tested?
   Existing tests


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