[jira] [Comment Edited] (PIG-3585) Make union work with tez

["Cheolsoo Park (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PIG-3585?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13836138#comment-13836138 ] 

Cheolsoo Park edited comment on PIG-3585 at 12/1/13 11:13 PM:
--------------------------------------------------------------

One minor clean-up. I made getPackage() take the number of inputs as parameter and removed getUnion() in TezCompiler.


was (Author: cheolsoo):
One minor clean-up. I made getPackage() take multiple inputs as parameter and removed getUnion() in TezCompiler.

> Make union work with tez
> ------------------------
>
>                 Key: PIG-3585
>                 URL: https://issues.apache.org/jira/browse/PIG-3585
>             Project: Pig
>          Issue Type: Sub-task
>          Components: tez
>    Affects Versions: tez-branch
>            Reporter: Cheolsoo Park
>            Assignee: Cheolsoo Park
>             Fix For: tez-branch
>
>         Attachments: PIG-3585-1.patch, PIG-3585-2.patch
>
>
> Unlike MR, union needs to be implemented as multiple vertices because Tez doesn't allow multiple inputs in root vertex.
> I propose that we implement union by connecting load vertices to union vertex with broadcasting edges.



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