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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3774) Sort merge join should work if join cols are a prefix of sort columns for each partition
Date Wed, 12 Dec 2012 16:37:21 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3774?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13530082#comment-13530082
] 

Namit Jain commented on HIVE-3774:
----------------------------------

tests passed
                
> Sort merge join should work if join cols are a prefix of sort columns for each partition
> ----------------------------------------------------------------------------------------
>
>                 Key: HIVE-3774
>                 URL: https://issues.apache.org/jira/browse/HIVE-3774
>             Project: Hive
>          Issue Type: Bug
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>         Attachments: hive.3774.1.patch, hive.3774.2.patch, hive.3774.3.patch
>
>
> Currently, a join is converted into a sort-merge join only if the join cols exactly matches
the sort cols.
> This constraint can definitely be relaxed.

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