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https://issues.apache.org/jira/browse/HIVE-259?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jerome Boulon updated HIVE-259:
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Attachment: HIVE-259.patch
First iteration for percentile (tested using Hive trunk and Hadoop 0.18.3):
usage:
CREATE TEMPORARY FUNCTION percentile AS
'org.apache.hadoop.hive.ql.udf.Percentile';
select percentile(myColumn,"25,50,99") from MyTable;
- How can I share the state object cross functions?
> 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
> Assignee: Jerome Boulon
> Attachments: HIVE-259.patch
>
>
> Compute atleast 25, 50, 75th percentiles
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