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https://issues.apache.org/jira/browse/HIVE-20251?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesus Camacho Rodriguez reassigned HIVE-20251:
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> 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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