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From "Jesus Camacho Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-20251) Improve message in SharedWorkOptimizer when cycles are found in the plan
Date Fri, 27 Jul 2018 00:00:39 GMT

     [ https://issues.apache.org/jira/browse/HIVE-20251?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jesus Camacho Rodriguez reassigned HIVE-20251:
----------------------------------------------


> Improve message in SharedWorkOptimizer when cycles are found in the plan
> ------------------------------------------------------------------------
>
>                 Key: HIVE-20251
>                 URL: https://issues.apache.org/jira/browse/HIVE-20251
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>
> Currently, if there is a cycle, e.g., due to semijoin, which should not happen, SharedWorkOptimizer
will just loop infinitely. It would be better to throw an Exception in those cases.



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