[teiid-issues] [JBoss JIRA] (TEIID-2921) Allow the projection raising (or order pushing) logic to work with non-simple ordering expressions

[Steven Hawkins (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-2921?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13292808#comment-13292808 ] 

Steven Hawkins commented on TEIID-2921:
---------------------------------------

To clarify the description - depending upon how you think about the plan, we are either partially raising the projection (the part that is unsupported) or pushing the order by.  With the logic before this issue, it only worked if the order by expressions were simple column references.

> Allow the projection raising (or order pushing) logic to work with non-simple ordering expressions
> --------------------------------------------------------------------------------------------------
>
>                 Key: TEIID-2921
>                 URL: https://issues.jboss.org/browse/TEIID-2921
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Query Engine
>    Affects Versions: 7.7.8
>            Reporter: Johnathon Lee
>            Assignee: Steven Hawkins
>             Fix For: 7.7.10, 8.8, 8.7.9.6_2
>
>
> Current logic is written to only support simple ordering expressions.  User desires the ability to use non-simple Order By statements (for example: including a case statement)



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