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Posted to dev@hive.apache.org by "Gunther Hagleitner (JIRA)" <ji...@apache.org> on 2013/03/05 06:55:16 UTC
[jira] [Updated] (HIVE-896) Add LEAD/LAG/FIRST/LAST analytical
windowing functions to Hive.
[ https://issues.apache.org/jira/browse/HIVE-896?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gunther Hagleitner updated HIVE-896:
------------------------------------
Attachment: HIVE-896.4.patch
.4 has all the changes from the branch in a single patch.
> 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
> Priority: Minor
> Attachments: DataStructs.pdf, HIVE-896.1.patch.txt, Hive-896.2.patch.txt, hive-896.3.patch.txt, HIVE-896.4.patch
>
>
> 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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