[teiid-issues] [JBoss JIRA] Closed: (TEIID-1250) Allow usage of select expressions in order by, even with group by/distinct.

Tue Jan 11 10:32:52 EST 2011

     [ https://issues.jboss.org/browse/TEIID-1250?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins closed TEIID-1250.
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> Allow usage of select expressions in order by, even with group by/distinct.
> ---------------------------------------------------------------------------
>
>                 Key: TEIID-1250
>                 URL: https://issues.jboss.org/browse/TEIID-1250
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Query Engine
>    Affects Versions: 7.1
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>            Priority: Minor
>             Fix For: 7.2
>
>
> We currently do not allow order by keys to reference anything other select aliases if a simple query uses distinct or group by.  We could allow for the projected expressions to resolve as well.
> For example:
> select x as y from t group by x order by x
> instead of order by y
> Mondrian generates queries of this form, although I'm not sure if that's something that could be customized through Mondrian.

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