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From "Yin Huai (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-16633) lag/lead does not return the default value when the offset row does not exist
Date Tue, 19 Jul 2016 22:50:20 GMT
Yin Huai created SPARK-16633:
--------------------------------

             Summary: lag/lead does not return the default value when the offset row does
not exist
                 Key: SPARK-16633
                 URL: https://issues.apache.org/jira/browse/SPARK-16633
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.0.0
            Reporter: Yin Huai
            Priority: Critical


Please see the attached notebook. Seems lag/lead somehow fail to recognize that a offset row
does not exist.



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