[teiid-issues] [JBoss JIRA] Resolved: (TEIID-1665) Optimize SELECT of all constants

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-1665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins resolved TEIID-1665.
-----------------------------------

    Fix Version/s: 7.5
       Resolution: Done


Added this in 7.5 as a targeted optimization during assign output elements.

> Optimize SELECT of all constants
> --------------------------------
>
>                 Key: TEIID-1665
>                 URL: https://issues.jboss.org/browse/TEIID-1665
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Query Engine
>    Affects Versions: 7.4
>            Reporter: Mark Addleman
>            Assignee: Steven Hawkins
>            Priority: Minor
>             Fix For: 7.5
>
>
> If a translator supports LIMIT but does not support select expressions, SELECT 'A' as A, 'B' as B FROM xyz GROUP BY A, B should be written as SELECT * FROM xyz LIMIT 1

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