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https://issues.apache.org/jira/browse/HIVE-11976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14947346#comment-14947346
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Laljo John Pullokkaran commented on HIVE-11976:
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+1
> Extend CBO rules to being able to apply rules only once on a given operator
> ---------------------------------------------------------------------------
>
> Key: HIVE-11976
> URL: https://issues.apache.org/jira/browse/HIVE-11976
> Project: Hive
> Issue Type: New Feature
> Components: CBO
> Affects Versions: 2.0.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-11976.01.patch, HIVE-11976.02.patch,
> HIVE-11976.03.patch, HIVE-11976.04.patch, HIVE-11976.patch
>
>
> Create a way to bail out quickly from HepPlanner if the rule has been already
> applied on a certain operator.
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