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https://issues.apache.org/jira/browse/PIG-2317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13126223#comment-13126223
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Jonathan Coveney commented on PIG-2317:
---------------------------------------
As far as how to specify schema, another option would be to have a class
function "schema" which sets the schema for the following function definition.
schema "str:chararray"
def hello_world
"hello world"
end
schema "word:chararray,num:long"
def complex(word)
[word,word.length]
end
or even (the probably easier to code, and both could be support)
def hello_world
"hello world"
end
def complex(word)
[word,word.length]
end
schema :hello_world, "str:chararray"
schema :complex, "word:chararray,num:long"
I don't think this would be super hard, I'd be willing to help make it work if
you guys think it'd be easier or more elegant
> Ruby/Jruby UDFs
> ---------------
>
> Key: PIG-2317
> URL: https://issues.apache.org/jira/browse/PIG-2317
> Project: Pig
> Issue Type: New Feature
> Reporter: Jacob Perkins
> Assignee: Jacob Perkins
> Priority: Minor
> Fix For: 0.9.2
>
> Attachments: jruby_scripting.patch
>
>
> It should be possible to write UDFs in Ruby. These UDFs will be registered in
> the same way as python and javascript UDFs.
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