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https://issues.apache.org/jira/browse/HADOOP-4070?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tom White updated HADOOP-4070:
------------------------------
Attachment: hadoop-4070-v2.patch
Here's an updated patch that addresses some of the comments.
* I've reverted the change to ExecDriver. (Set hive.aux.jars.path as a session
variable to pick up jars.)
* AdminWork is now FunctionWork. Other descriptors can be added to this class
as needed.
* The syntax is now
{noformat}
CREATE TEMPORARY FUNCTION my_udf AS 'com.example.MyUdf';
{noformat}
* I've added a client unit test which uses a test UDF packaged in a jar.
> [Hive] Provide a mechanism for registering UDFs from the query language
> -----------------------------------------------------------------------
>
> Key: HADOOP-4070
> URL: https://issues.apache.org/jira/browse/HADOOP-4070
> Project: Hadoop Core
> Issue Type: New Feature
> Components: contrib/hive
> Reporter: Tom White
> Attachments: hadoop-4070-v2.patch, hadoop-4070.patch
>
>
> UDFs (user defined functions) in Hive are currently actually built-in
> functions. This issue is to develop a packaging and registration mechanism so
> users can add their own functions at runtime.
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