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From "Gunther Hagleitner (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-7071) Use custom Tez input initializer to support schema evolution
Date Fri, 16 May 2014 10:57:29 GMT
Gunther Hagleitner created HIVE-7071:
----------------------------------------

             Summary: Use custom Tez input initializer to support schema evolution
                 Key: HIVE-7071
                 URL: https://issues.apache.org/jira/browse/HIVE-7071
             Project: Hive
          Issue Type: Bug
            Reporter: Gunther Hagleitner
            Assignee: Gunther Hagleitner
         Attachments: HIVE-7071.1.patch

Right now we're falling back to combinehivefileinputformat and switch of am side grouping
when there's different schemata in a single vertex. We need to handle this in a custom initializer
so we can still group on the AM.



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