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From "Deepak Jaiswal (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-20240) Semijoin Reduction : Use local variable to check for external table condition
Date Mon, 30 Jul 2018 17:20:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-20240?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Deepak Jaiswal updated HIVE-20240:
----------------------------------
    Resolution: Fixed
        Status: Resolved  (was: Patch Available)

merged to branch-3

> Semijoin Reduction : Use local variable to check for external table condition
> -----------------------------------------------------------------------------
>
>                 Key: HIVE-20240
>                 URL: https://issues.apache.org/jira/browse/HIVE-20240
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Deepak Jaiswal
>            Assignee: Deepak Jaiswal
>            Priority: Major
>         Attachments: HIVE-20240.01-branch-3.patch, HIVE-20240.1.patch
>
>
> This condition,
>  
> semiJoin = semiJoin && !disableSemiJoinOptDueToExternalTable(parseContext.getConf(),
ts, ctx);
>  
> may set semiJoin to false if an external table is encountered and will remain false for
subsequent cases. It should only disable it for that particular case.
>  
> cc [~jdere]



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