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https://issues.apache.org/jira/browse/PIG-2353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13281954#comment-13281954
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Daniel Dai commented on PIG-2353:
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So partitioned and non-partitioned RANK are using different implementation,
right?
> 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
> Assignee: Allan Avendaño
> Labels: gsoc2012, mentor
> 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.
> This is a candidate project for Google summer of code 2012. More information
> about the program can be found at
> https://cwiki.apache.org/confluence/display/PIG/GSoc2012
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