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Posted to issues@tajo.apache.org by "Keuntae Park (JIRA)" <ji...@apache.org> on 2015/04/06 09:53:12 UTC

[jira] [Assigned] (TAJO-1517) Implement INTERSECT

     [ https://issues.apache.org/jira/browse/TAJO-1517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Keuntae Park reassigned TAJO-1517:
----------------------------------

    Assignee: Keuntae Park

> Implement INTERSECT
> -------------------
>
>                 Key: TAJO-1517
>                 URL: https://issues.apache.org/jira/browse/TAJO-1517
>             Project: Tajo
>          Issue Type: Sub-task
>            Reporter: Keuntae Park
>            Assignee: Keuntae Park
>
> {code}
> query1 INTERSECT [ALL] query2
> {code}
> INTERSECT returns all rows that are both in the result of query1 and in the result of query2. 
> Duplicate rows are eliminated unless INTERSECT ALL is used.



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