Gunther Hagleitner created HIVE-5451:
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             Summary: Use IOContext instead of HADOOPMAPFILENAME in MapOperator 
setup for Tez
                 Key: HIVE-5451
                 URL: https://issues.apache.org/jira/browse/HIVE-5451
             Project: Hive
          Issue Type: Bug
            Reporter: Gunther Hagleitner
            Assignee: Gunther Hagleitner
             Fix For: tez-branch


In mapop we use a conf variable to determine input file, everywhere else we 
rely on IOContext. In tez the problem is that the recordreader and processor 
have different confs. So they can't communicate via job conf.



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