[teiid-issues] [JBoss JIRA] (TEIID-3270) Allow UDFs to call Teiid functions

[Van Halbert (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-3270?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13144630#comment-13144630 ] 

Van Halbert commented on TEIID-3270:
------------------------------------

>> Right, but to fully define a UDF, the JAVA_CLASS and JAVA_METHODS properties need to be defined so that the Teiid engine knows what to execute when the function is called in a SQL statement.
>No, the intent of this feature is to allow a virtual function that can be defined using the teiid procedure language.

But I don't see any body (procedure language) defined for the function "f1".  So what does Teiid execute in this case?  

> Allow UDFs to call Teiid functions
> ----------------------------------
>
>                 Key: TEIID-3270
>                 URL: https://issues.jboss.org/browse/TEIID-3270
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Query Engine
>            Reporter: Sanjeev Gour
>            Assignee: Steven Hawkins
>             Fix For: 8.11
>
>
> Currently custom functions require the implementation on be in Java, there could be an alternative way to allow using Teiid expressions inside the custom functions. The related thread is here-
> https://developer.jboss.org/thread/251179



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