Matt McCline created HIVE-20207:
-----------------------------------

             Summary: Vectorization: Fix NULL / Wrong Results issues in Filter 
/ Compare
                 Key: HIVE-20207
                 URL: https://issues.apache.org/jira/browse/HIVE-20207
             Project: Hive
          Issue Type: Bug
          Components: Hive
            Reporter: Matt McCline
            Assignee: Matt McCline


Write new UT tests that use random data and intentional isRepeating batches to 
checks for NULL and Wrong Results for vectorized filter and compare.

BUGS:

1) LongColLessLongColumn SIMD optimization do not work for very large integers:
 -7272907770454997143 < 8976171455044006767
 outputVector[i] = (vector1[i] - vector2[i]) >>> 63;
 Produces 0 instead of 1...



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