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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-928) UDFs in scripting languages
Date Wed, 21 Jul 2010 19:31:53 GMT

    [ https://issues.apache.org/jira/browse/PIG-928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12890845#action_12890845
] 

Ashutosh Chauhan commented on PIG-928:
--------------------------------------

Addendum:

* Also what will happen if user returned a nil python object  (null equivalent of Java) from
UDF. It looks to me that will result in NPE. Can you add a test for that and similar test
case from pigToPython() 

> UDFs in scripting languages
> ---------------------------
>
>                 Key: PIG-928
>                 URL: https://issues.apache.org/jira/browse/PIG-928
>             Project: Pig
>          Issue Type: New Feature
>            Reporter: Alan Gates
>            Assignee: Aniket Mokashi
>             Fix For: 0.8.0
>
>         Attachments: calltrace.png, package.zip, PIG-928.patch, pig-greek.tgz, pig.scripting.patch.arnab,
pyg.tgz, RegisterPythonUDF3.patch, RegisterPythonUDF4.patch, RegisterPythonUDF_Final.patch,
RegisterPythonUDFFinale.patch, RegisterPythonUDFFinale3.patch, RegisterPythonUDFFinale4.patch,
RegisterPythonUDFFinale5.patch, RegisterPythonUDFLatest.patch, RegisterScriptUDFDefineParse.patch,
scripting.tgz, scripting.tgz, test.zip
>
>
> It should be possible to write UDFs in scripting languages such as python, ruby, etc.
 This frees users from needing to compile Java, generate a jar, etc.  It also opens Pig to
programmers who prefer scripting languages over Java.

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