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From "Carl Steinbach (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-259) Add PERCENTILE aggregate function
Date Tue, 24 Nov 2009 08:42:39 GMT

    [ https://issues.apache.org/jira/browse/HIVE-259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12781824#action_12781824
] 

Carl Steinbach commented on HIVE-259:
-------------------------------------

This would be a very useful function to have.

For the sake of completeness (and without much additional effort) it would be nice to provide
both PERCENTILE_DISC and PERCENTILE_CONT.

PERCENTILE_CONT: http://download.oracle.com/docs/cd/B19306_01/server.102/b14200/functions110.htm
PERCENTILE_DISC:  http://download.oracle.com/docs/cd/B19306_01/server.102/b14200/functions111.htm


> Add PERCENTILE aggregate function
> ---------------------------------
>
>                 Key: HIVE-259
>                 URL: https://issues.apache.org/jira/browse/HIVE-259
>             Project: Hadoop Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Venky Iyer
>
> Compute atleast 25, 50, 75th percentiles

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