[
https://issues.apache.org/jira/browse/HIVE-894?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Carl Steinbach updated HIVE-894:
--------------------------------
Component/s: UDF
Affects Version/s: (was: 0.6.0)
Release Note: (was: add udaf max_n, min_n to contrib)
Hadoop Flags: [Reviewed]
Summary: Add UDAFs max_n(), min_n() to contrib (was: add udaf
max_n, min_n to contrib)
> Add UDAFs max_n(), min_n() to contrib
> -------------------------------------
>
> Key: HIVE-894
> URL: https://issues.apache.org/jira/browse/HIVE-894
> Project: Hive
> Issue Type: New Feature
> Components: UDF
> Reporter: Zheng Shao
> Assignee: Zheng Shao
> Fix For: 0.6.0
>
> Attachments: HIVE-894.1.patch, HIVE-894.1.patch, HIVE-894.2.patch,
> HIVE-894.3.patch
>
>
> These 2 UDAFs should return the max n numbers, min n numbers in order.
> {code}
> SELECT max_n(userid, 3) FROM src;
> [999,997,996]
> SELECT max_n(userid, 3)[1] FROM src;
> 997
> SELECT min_n(userid, 3) FROM src;
> [0, 3, 8]
> SELECT min_n(userid, 3)[2] FROM src;
> 8
> {code}
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
