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Posted to dev@hive.apache.org by "Prasanth J (JIRA)" <ji...@apache.org> on 2014/11/07 04:15:33 UTC

[jira] [Created] (HIVE-8778) ORC split elimination can cause NPE when column statistics is null

Prasanth J created HIVE-8778:
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             Summary: ORC split elimination can cause NPE when column statistics is null
                 Key: HIVE-8778
                 URL: https://issues.apache.org/jira/browse/HIVE-8778
             Project: Hive
          Issue Type: Bug
    Affects Versions: 0.14.0
            Reporter: Prasanth J
            Assignee: Prasanth J
            Priority: Critical
             Fix For: 0.14.0


Row group elimination has protection for NULL statistics values in RecordReaderImpl.evaluatePredicate() which then calls evaluatePredicateRange(). But split elimination directly calls evaluatePredicateRange() without NULL protection. This can lead to NullPointerException when a column is NULL in entire stripe. 



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