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From "Gianmarco De Francisci Morales (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-2353) RANK function like in SQL
Date Tue, 04 Sep 2012 09:56:08 GMT

    [ https://issues.apache.org/jira/browse/PIG-2353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13447590#comment-13447590
] 

Gianmarco De Francisci Morales commented on PIG-2353:
-----------------------------------------------------

There is a regression in the latest patch.
It does not work properly in a multi-machine environment.
It seems that the values of the counters are not properly serialized in the JobConf.
We need to add a test and fix the bug before committing the patch.
                
> 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 AvendaƱo
>              Labels: gsoc2012, mentor
>         Attachments: PIG-2353-2, PIG-2353-3.txt, PIG-2353-4.txt, 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
> Functionality implemented so far, is available at https://reviews.apache.org/r/5523/diff/#index_header

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