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From "Kevin Wilfong (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HIVE-3765) Bucket map join optimization not applied to left semi join
Date Mon, 03 Dec 2012 18:59:59 GMT

     [ https://issues.apache.org/jira/browse/HIVE-3765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kevin Wilfong reassigned HIVE-3765:
-----------------------------------

    Assignee:     (was: Kevin Wilfong)
    
> Bucket map join optimization not applied to left semi join
> ----------------------------------------------------------
>
>                 Key: HIVE-3765
>                 URL: https://issues.apache.org/jira/browse/HIVE-3765
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 0.11
>            Reporter: Kevin Wilfong
>
> When all the hints and settings are present to use the bucket map join optimization,
it will not get applied if the join is a left semi join.  It works for left outer joins, so
it seems it should work for left semi joins.

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