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Posted to issues@tajo.apache.org by "Keuntae Park (JIRA)" <ji...@apache.org> on 2015/04/03 09:01:20 UTC
[jira] [Updated] (TAJO-1514) Distinguish UNION and UNION ALL
[ https://issues.apache.org/jira/browse/TAJO-1514?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Keuntae Park updated TAJO-1514:
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Summary: Distinguish UNION and UNION ALL (was: Distinguishing UNION and UNION ALL)
> Distinguish UNION and UNION ALL
> -------------------------------
>
> Key: TAJO-1514
> URL: https://issues.apache.org/jira/browse/TAJO-1514
> Project: Tajo
> Issue Type: Sub-task
> Reporter: Keuntae Park
> Assignee: Keuntae Park
>
> Currently, Tajo handles both UNION and UNION ALL as UNION ALL.
> For UNION, however, result should not have duplicated rows.
> It needs to handle them differently.
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