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From "Jason Dere (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-10524) Add utility method ExprNodeDescUtils.forwardTrack()
Date Tue, 28 Apr 2015 20:31:08 GMT
Jason Dere created HIVE-10524:
---------------------------------

             Summary: Add utility method ExprNodeDescUtils.forwardTrack()
                 Key: HIVE-10524
                 URL: https://issues.apache.org/jira/browse/HIVE-10524
             Project: Hive
          Issue Type: Bug
            Reporter: Jason Dere
            Assignee: Jason Dere


ExprNodeDescUtils has a method backtrack(), which is able to take an ExprNodeDesc from an
operator and convert it to an equivalent expression based on the columns of a parent operator.
Adding a forwardTrack() method to do something similar, but for a child operator.



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