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Posted to issues@hive.apache.org by "Zhihua Deng (Jira)" <ji...@apache.org> on 2020/03/05 13:38:00 UTC

[jira] [Updated] (HIVE-22983) Address the comments on ConstantPropagate

     [ https://issues.apache.org/jira/browse/HIVE-22983?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zhihua Deng updated HIVE-22983:
-------------------------------
    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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