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https://issues.apache.org/jira/browse/HIVE-11976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14935574#comment-14935574
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Laljo John Pullokkaran commented on HIVE-11976:
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Patch looks good. May be we should address the following:
1. HivePreFilter Rule the bail out condition should be modified (Pullup
predicate should use the child real node).
2. Should we register child filter as well so that rule doesn't fire on child.
> 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.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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