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https://issues.apache.org/jira/browse/HIVE-6753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13948334#comment-13948334
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Vikram Dixit K commented on HIVE-6753:
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LGTM +1. Pending test run.
> Unions on Tez NPE when there's a mapjoin the union work
> -------------------------------------------------------
>
> Key: HIVE-6753
> URL: https://issues.apache.org/jira/browse/HIVE-6753
> Project: Hive
> Issue Type: Bug
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Attachments: HIVE-6753.1.patch
>
>
> In some cases when there's a mapjoin in union work we need to broadcast the
> same result set to multiple downstream work items. This causes a vertex
> failure right now.
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