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https://issues.apache.org/jira/browse/HIVE-16739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rui Li reassigned HIVE-16739:
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> HoS DPP generates malformed plan when hive.tez.dynamic.semijoin.reduction is
> on
> -------------------------------------------------------------------------------
>
> Key: HIVE-16739
> URL: https://issues.apache.org/jira/browse/HIVE-16739
> Project: Hive
> Issue Type: Bug
> Components: Spark
> Reporter: Rui Li
> Assignee: Rui Li
>
> HoS DPP currently can't handle dynamic semi join and will result in
> {{ClassCastException org.apache.hadoop.hive.ql.plan.ReduceWork cannot be cast
> to org.apache.hadoop.hive.ql.plan.MapWork}}.
> We should either disable or implement it for HoS.
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