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https://issues.apache.org/jira/browse/HIVE-22057?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16895556#comment-16895556
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Vineet Garg commented on HIVE-22057:
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LGTM +1
> Early bailout in SharedWorkOptimizer if all tables are referenced only once
> ---------------------------------------------------------------------------
>
> Key: HIVE-22057
> URL: https://issues.apache.org/jira/browse/HIVE-22057
> Project: Hive
> Issue Type: Improvement
> Components: Physical Optimizer
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Attachments: HIVE-22057.patch
>
>
> In that case, there is no space for optimization, so we should bail out
> immediately and do not do any extra work.
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