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Posted to dev@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2015/02/17 22:57:12 UTC

[jira] [Created] (HIVE-9711) ORC Vectorization DoubleColumnVector.isRepeating=false if all entries are NaN

Gopal V created HIVE-9711:
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             Summary: ORC Vectorization DoubleColumnVector.isRepeating=false if all entries are NaN
                 Key: HIVE-9711
                 URL: https://issues.apache.org/jira/browse/HIVE-9711
             Project: Hive
          Issue Type: Bug
          Components: File Formats
    Affects Versions: 1.2.0
            Reporter: Gopal V


The isRepeating=true check uses Java equality, which results in NaN != NaN comparison operations.

The noNulls case needs the current check folded into the previous loop, while the hasNulls case needs a logical AND of the isNull[] field instead of == comparisons.



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