[teiid-issues] [JBoss JIRA] (TEIID-5729) Introduce mechanism or option to allow for mapping of side effect free Teiid procedures to ODATA functions, and actions if procedure has side effects

[Steven Hawkins (Jira)]

    [ https://issues.jboss.org/browse/TEIID-5729?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13749714#comment-13749714 ] 

Steven Hawkins commented on TEIID-5729:
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> I have not found the relevant section in the documentation. Could you please add a link?

http://teiid.github.io/teiid-documents/master/content/client-dev/OData4_Support.html

> Furthermore, as far as I understand your comment, simply adding OPTIONS(UPDATECOUNT '0') will force the procedure to become a function?
> a function also always needs to have a return value. Is this also considered? 

No, it must meet all of the conditions from the link above.

> I assume INOUT parameters are ignored as return values?

INOUT are treated simply as IN, which is also mentioned on that page.

> Introduce mechanism or option to allow for mapping of side effect free Teiid procedures to ODATA functions, and actions if procedure has side effects
> -----------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: TEIID-5729
>                 URL: https://issues.jboss.org/browse/TEIID-5729
>             Project: Teiid
>          Issue Type: Enhancement
>          Components: OData
>            Reporter: Christoph John
>            Assignee: Steven Hawkins
>            Priority: Major
>             Fix For: 12.3
>
>
> This is a follow up regarding https://issues.jboss.org/browse/TEIID-5725
> As discussed there, Teiid currently does not map virtual procedures and functions to odata functions and procedures according to the notion of "side effect free"
> Please introduce a mechanism to allow for a mapping according to adequate odata semantics.



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