Github user parthchandra commented on the issue:

    https://github.com/apache/drill/pull/1166
  
    @rajrahul this link is good. As expected, the int96 column is dictionary 
encoded. 
    Is it possible for you to extract just a couple of records from this file 
and then use that for a unit test? 
    see 
[TestParquetWriter.testImpalaParquetBinaryAsTimeStamp_DictChange](https://github.com/apache/drill/blob/master/exec/java-exec/src/test/java/org/apache/drill/exec/physical/impl/writer/TestParquetWriter.java#L784)
    
    @vdiravka TestParquetWriter.testImpalaParquetBinaryAsTimeStamp_DictChange 
also uses an int96 that is dictionary encoded. Any idea whether (and why) it 
might be going thru a different code path?
    



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