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From "Johan Gustavsson (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-12664) Bug in reduce deduplication optimization causing ArrayOutOfBoundException
Date Mon, 14 Dec 2015 03:02:46 GMT
Johan Gustavsson created HIVE-12664:
---------------------------------------

             Summary: Bug in reduce deduplication optimization causing ArrayOutOfBoundException
                 Key: HIVE-12664
                 URL: https://issues.apache.org/jira/browse/HIVE-12664
             Project: Hive
          Issue Type: Bug
          Components: Hive
    Affects Versions: 1.2.1, 1.1.1
            Reporter: Johan Gustavsson
            Assignee: Johan Gustavsson


The optimisation check for reduce deduplication only checks the first child node for join
and the check itself also contains a major bug causing ArrayOutOfBoundException no matter
what.



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