Daniel Dai updated PIG-881:

    Attachment: PIG-881-1.patch

In the patch, I also modify JarManager. One statement in JarManager prevent all 
classes which is load from classpath to be included. I currently remove this 
but I am not sure if I am doing it right. 

> Pig should ship load udfs to the backend
> ----------------------------------------
>                 Key: PIG-881
>                 URL: https://issues.apache.org/jira/browse/PIG-881
>             Project: Pig
>          Issue Type: Bug
>          Components: impl
>    Affects Versions: 0.3.0
>            Reporter: Daniel Dai
>            Assignee: Daniel Dai
>             Fix For: 0.4.0
>         Attachments: PIG-881-1.patch
> Currently, when we use load udfs, we have to use "register" statement. It is 
> ideal that if user put udf jars in classpath, we can omit register statement, 
> Pig can pick the udf from classpath automatically.
> However, Pig do not ship load udfs currently, the classpath approach does not 
> work. "register" works because Pig ship that entire jar. Pig do ship eval 
> udfs and storage udfs, we should ship load udfs as well.

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