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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-12809) Vectorization: fast-path for coalesce if input.noNulls = true
Date Fri, 08 Jan 2016 02:52:39 GMT
Gopal V created HIVE-12809:
------------------------------

             Summary: Vectorization: fast-path for coalesce if input.noNulls = true
                 Key: HIVE-12809
                 URL: https://issues.apache.org/jira/browse/HIVE-12809
             Project: Hive
          Issue Type: Bug
    Affects Versions: 2.0.0, 2.1.0
            Reporter: Gopal V
            Assignee: Gopal V


Coalesce can skip processing a column, if all the input columns are non-null.



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