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