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From "Amr Awadallah (JIRA)" <j...@apache.org>
Subject [jira] Created: (HIVE-896) Add LEAD/LAG/FIRST/LAST analytical windowing functions to Hive.
Date Wed, 21 Oct 2009 20:54:59 GMT
Add LEAD/LAG/FIRST/LAST analytical windowing functions to Hive.
---------------------------------------------------------------

                 Key: HIVE-896
                 URL: https://issues.apache.org/jira/browse/HIVE-896
             Project: Hadoop Hive
          Issue Type: New Feature
            Reporter: Amr Awadallah
            Priority: Minor



Windowing functions are very useful for click stream processing and similar time-series/sliding-window
analytics.

More details at:

http://download-west.oracle.com/docs/cd/B13789_01/server.101/b10736/analysis.htm#i1006709
http://download-west.oracle.com/docs/cd/B13789_01/server.101/b10736/analysis.htm#i1007059
http://download-west.oracle.com/docs/cd/B13789_01/server.101/b10736/analysis.htm#i1007032

-- amr

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