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From "Jesus Camacho Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Work started] (HIVE-22057) Early bailout in SharedWorkOptimizer if all tables are referenced only once
Date Sat, 27 Jul 2019 00:40:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-22057?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Work on HIVE-22057 started by Jesus Camacho Rodriguez.
------------------------------------------------------
> Early bailout in SharedWorkOptimizer if all tables are referenced only once
> ---------------------------------------------------------------------------
>
>                 Key: HIVE-22057
>                 URL: https://issues.apache.org/jira/browse/HIVE-22057
>             Project: Hive
>          Issue Type: Improvement
>          Components: Physical Optimizer
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>         Attachments: HIVE-22057.patch
>
>
> In that case, there is no space for optimization, so we should bail out immediately and
do not do any extra work.



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