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From "Alan Gates (JIRA)" <j...@apache.org>
Subject [jira] Updated: (PIG-928) UDFs in scripting languages
Date Wed, 19 Aug 2009 17:23:14 GMT

     [ https://issues.apache.org/jira/browse/PIG-928?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Alan Gates updated PIG-928:

    Attachment: package.zip

Attaching some preliminary work by Kishore Gopalakrishna on this.  This code is a good start,
but not ready for inclusion.  It needs to be cleaned up, put in our class structure, etc.

Comments from Kishore:

It contains all the libraries required and also the GenericEval UDF and
GenericFilter UDF

I dint get a chance to get the Algebraic function working.

To test it, just unzip the package and run

rm -rf wordcount/output;
pig -x local wordcount.pig ---> to test eval
pig -x local wordcount_filter.pig ---> to test filter [sorry it should
be named filter.pig]
cat wordcount/output

> 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
>         Attachments: package.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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