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https://issues.apache.org/jira/browse/HIVE-22983?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhihua Deng updated HIVE-22983:
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Attachment: HIVE-22983.1.patch
> Address the comments on ConstantPropagate
> -----------------------------------------
>
> Key: HIVE-22983
> URL: https://issues.apache.org/jira/browse/HIVE-22983
> Project: Hive
> Issue Type: Improvement
> Components: Logical Optimizer
> Reporter: Zhihua Deng
> Priority: Minor
> Attachments: HIVE-22983.1.patch
>
>
> The constantPropagate traverse the DAG from root to child, the child won’t
> start until all his parents have been visited.
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