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From "Mayank Lahiri (JIRA)" <>
Subject [jira] Created: (HIVE-1470) percentile_approx() fails with more than 1 reducer
Date Fri, 16 Jul 2010 22:38:50 GMT
percentile_approx() fails with more than 1 reducer

                 Key: HIVE-1470
             Project: Hadoop Hive
          Issue Type: Bug
          Components: Query Processor
    Affects Versions: 0.6.0
            Reporter: Mayank Lahiri
            Assignee: Mayank Lahiri
             Fix For: 0.7.0
         Attachments: HIVE-1470.1.patch

The larger issue is that a UDAF that has variable return types needs two inner Evaluator classes.
This patch fixes a NullPointerException bug that is only encountered when partial aggregations
are invoked.

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