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Posted to dev@hive.apache.org by "Namit Jain (JIRA)" <ji...@apache.org> on 2012/07/31 06:56:36 UTC

[jira] [Commented] (HIVE-3304) sort merge join should work if both the tables are sorted in descending order

    [ https://issues.apache.org/jira/browse/HIVE-3304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13425523#comment-13425523 ] 

Namit Jain commented on HIVE-3304:
----------------------------------

The sort-merge join should work as long as the sorted columns list is the same as joined columns list,
and all the columns are sorted in the same order.
                
> sort merge join should work if both the tables are sorted in descending order
> -----------------------------------------------------------------------------
>
>                 Key: HIVE-3304
>                 URL: https://issues.apache.org/jira/browse/HIVE-3304
>             Project: Hive
>          Issue Type: New Feature
>          Components: Query Processor
>            Reporter: Namit Jain
>            Assignee: Namit Jain
>
> Currently, sort merge join only works if both the tables are sorted in
> ascending order

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