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https://issues.apache.org/jira/browse/PIG-2353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13173078#comment-13173078
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Gianmarco De Francisci Morales commented on PIG-2353:
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Hi Jonathan,
thanks for giving it a try!
I think the approach is fine for an initial implementation.
To scale it out, we need a deeper integration with Pig (i.e. it need to be an
operator and not a UDF), but this is the subject for another Jira.
Just one more comment.
I am not sure about testing in piggybank.
Should we use e2e testing instead of JUnit?
> RANK function like in SQL
> -------------------------
>
> Key: PIG-2353
> URL: https://issues.apache.org/jira/browse/PIG-2353
> Project: Pig
> Issue Type: New Feature
> Reporter: Gianmarco De Francisci Morales
> Attachments: PIG2353.patch
>
>
> Implement a function that given a (sorted) bag adds to each tuple a unique,
> increasing identifier without gaps, like what RANK does for SQL.
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