[jira] [Updated] (PIG-1824) Support import modules in Jython UDF

["Woody Anderson (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PIG-1824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Woody Anderson updated PIG-1824:
--------------------------------

    Attachment: 1824a.patch

This altered patch removes the explicit 'import re' test, as it relies on having a jython 2.5.0 install on disk and configured as visible to the runtime.

test nested accomplishes the test of the mechanism in use by 'import re', so removing the explicit test is simply more portable.

> Support import modules in Jython UDF
> ------------------------------------
>
>                 Key: PIG-1824
>                 URL: https://issues.apache.org/jira/browse/PIG-1824
>             Project: Pig
>          Issue Type: Improvement
>    Affects Versions: 0.8.0, 0.9.0
>            Reporter: Richard Ding
>            Assignee: Woody Anderson
>             Fix For: 0.8.0, 0.9.0, 0.10
>
>         Attachments: 1824.patch, 1824a.patch
>
>
> Currently, Jython UDF script doesn't support Jython import statement as in the following example:
> {code}
> #!/usr/bin/python
> import re
> @outputSchema("word:chararray")
> def resplit(content, regex, index):
>         return re.compile(regex).split(content)[index]
> {code}
> Can Pig automatically locate the Jython module file and ship it to the backend? Or should we add a ship clause to let user explicitly specify the module to ship? 

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