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From "Jesus Camacho Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Work started] (HIVE-13722) Add flag to detect constants to CBO pull up rules
Date Mon, 09 May 2016 21:54:12 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Work on HIVE-13722 started by Jesus Camacho Rodriguez.
------------------------------------------------------
> Add flag to detect constants to CBO pull up rules
> -------------------------------------------------
>
>                 Key: HIVE-13722
>                 URL: https://issues.apache.org/jira/browse/HIVE-13722
>             Project: Hive
>          Issue Type: Sub-task
>          Components: CBO, Logical Optimizer, Physical Optimizer
>    Affects Versions: 2.1.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>
> Add flag to avoid firing CBO pull up constants rules indefinitely. This issue can be
reproduced using e.g. union27.q, union_remove_19.q, unionDistinct_1.q.



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