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From "Edward Capriolo (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2561) Add an annotation to UDFs to allow them to specify additional FILE/JAR resources necessary for execution
Date Mon, 21 Nov 2011 02:05:54 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13153940#comment-13153940
] 

Edward Capriolo commented on HIVE-2561:
---------------------------------------

I understand the reason for wanting this because when you do not get the stuff you need on
the classpath tracing the error is hard. However with a dynamic class loading language like
Java I think marking classes with dependencies is not the way to go. i think it is better
to make the error reporting clear then to try to make an administrative problem a coding problem.
                
> 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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