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From "Rui Li (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-16739) HoS DPP generates malformed plan when hive.tez.dynamic.semijoin.reduction is on
Date Tue, 23 May 2017 09:31:04 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rui Li reassigned HIVE-16739:
-----------------------------


> 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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