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From "eric baldeschwieler (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-896) Add LEAD/LAG/FIRST/LAST analytical windowing functions to Hive.
Date Tue, 02 Apr 2013 20:15:19 GMT

    [ https://issues.apache.org/jira/browse/HIVE-896?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13620226#comment-13620226
] 

eric baldeschwieler commented on HIVE-896:
------------------------------------------

very cool




                
> Add LEAD/LAG/FIRST/LAST analytical windowing functions to Hive.
> ---------------------------------------------------------------
>
>                 Key: HIVE-896
>                 URL: https://issues.apache.org/jira/browse/HIVE-896
>             Project: Hive
>          Issue Type: New Feature
>          Components: OLAP, UDF
>            Reporter: Amr Awadallah
>            Assignee: Harish Butani
>            Priority: Minor
>             Fix For: 0.11.0
>
>         Attachments: DataStructs.pdf, HIVE-896.1.patch.txt, Hive-896.2.patch.txt, hive-896.3.patch.txt,
HIVE-896.4.patch, HIVE-896.5.patch.txt
>
>
> 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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