[teiid-issues] [JBoss JIRA] Commented: (TEIID-251) Support SQL 2003 order by with expressions

[Steven Hawkins (JIRA)]

    [ https://jira.jboss.org/jira/browse/TEIID-251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12496738#action_12496738 ] 

Steven Hawkins commented on TEIID-251:
--------------------------------------

A side effect here was to remove the logic that allowed for a sort string literal to specify a positional ordering.  We still allow integer constants.

> Support SQL 2003 order by with expressions
> ------------------------------------------
>
>                 Key: TEIID-251
>                 URL: https://jira.jboss.org/jira/browse/TEIID-251
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Query Engine
>    Affects Versions: 6.0.0
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>            Priority: Optional
>             Fix For: 7.0
>
>         Attachments: sort_expression.patch
>
>   Original Estimate: 2 days
>  Remaining Estimate: 2 days
>
> Defect Tracker #25000: SQL 2003 allows the order by clause to contain expressions instead of just simple simple symbol names.  Since we already support expressions in the group by clause (which is actually against the SQL spec), it would make since to support expressions in the order by as well.

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