[jira] [Commented] (PIG-4601) Implement Merge CoGroup for Spark engine

["Pallavi Rao (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIG-4601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15097571#comment-15097571 ] 

Pallavi Rao commented on PIG-4601:
----------------------------------

[~kellyzly], is this Patch ready for review? If so, can you please put it out on review board and change status of JIRA?

> Implement Merge CoGroup for Spark engine
> ----------------------------------------
>
>                 Key: PIG-4601
>                 URL: https://issues.apache.org/jira/browse/PIG-4601
>             Project: Pig
>          Issue Type: Sub-task
>          Components: spark
>    Affects Versions: spark-branch
>            Reporter: Mohit Sabharwal
>            Assignee: liyunzhang_intel
>             Fix For: spark-branch
>
>         Attachments: PIG-4601_1.patch
>
>
> Implement single-stage ("map-side") co-group where all the input data sets are sorted by key:
> {code}
> C = cogroup A by c1, B by c1 using 'merge';
> {code}



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