[teiid-issues] [JBoss JIRA] Resolved: (TEIID-1471) Projection should be minimized prior to view removal

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-1471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins resolved TEIID-1471.
-----------------------------------

    Resolution: Done


corrected the assign output element logic so that it can be run multiple time and provide the initial filtering.

> Projection should be minimized prior to view removal
> ----------------------------------------------------
>
>                 Key: TEIID-1471
>                 URL: https://issues.jboss.org/browse/TEIID-1471
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Query Engine
>    Affects Versions: 6.0.0
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>             Fix For: 7.4
>
>
> View removal may be inhibited by the placement of select clause items, such as non-deterministic functions, that are not meaningful to the query.  To minimize the work performed by optional join removal and by merge virtual we should run assign output elements prior to merging.

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