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Posted to dev@hive.apache.org by "Matt McCline (JIRA)" <ji...@apache.org> on 2018/07/18 23:49:00 UTC
[jira] [Created] (HIVE-20207) Vectorization: Fix NULL / Wrong
Results issues in Filter / Compare
Matt McCline created HIVE-20207:
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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)Â 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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