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From "Pallavi Rao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (PIG-4766) Ensure GroupBy is optimized for all algebraic Operations
Date Thu, 04 Feb 2016 09:31:39 GMT

    [ https://issues.apache.org/jira/browse/PIG-4766?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15132024#comment-15132024
] 

Pallavi Rao commented on PIG-4766:
----------------------------------

[~kellyzly], yes, for group by, all tuples will "null" key values will be grouped together.
See TestLocalRearrange.testMultiQueryJiraPig1194 for an example PIG and the expected output.

> Ensure GroupBy is optimized for all algebraic Operations
> --------------------------------------------------------
>
>                 Key: PIG-4766
>                 URL: https://issues.apache.org/jira/browse/PIG-4766
>             Project: Pig
>          Issue Type: Sub-task
>          Components: spark
>            Reporter: Pallavi Rao
>            Assignee: Pallavi Rao
>              Labels: spork
>             Fix For: spark-branch
>
>         Attachments: PIG-4766-v1.patch, PIG-4766.patch
>
>




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