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https://issues.apache.org/jira/browse/HIVE-2561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13153961#comment-13153961
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Jonathan Chang commented on HIVE-2561:
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I don't think this is purely an administrative problem; right now there's no
way for an administrator to express that this file should be added if and only
if the query uses a certain UDF. And even if there were it then tightly
couples the UDF developer with the administration of the cluster. Thus it
seems to me that the responsibility of specifying what the requirements are of
the UDF should be the onus of the UDF developer, not the cluster administrator
or the end user/query writer.
> Add an annotation to UDFs to allow them to specify additional FILE/JAR
> resources necessary for execution
> --------------------------------------------------------------------------------------------------------
>
> Key: HIVE-2561
> URL: https://issues.apache.org/jira/browse/HIVE-2561
> Project: Hive
> Issue Type: New Feature
> Reporter: Jonathan Chang
> Assignee: Jonathan Chang
> Attachments: HIVE-2561.D507.1.patch
>
>
> Often times UDFs will have dependencies to external JARs/FILEs. It makes
> sense for these to be encoded by the UDF (rather than having the caller
> remember the set of files that need to be ADDed). Let's add an annotation to
> UDFs which will cause these resources to be auto-added.
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