[teiid-issues] [JBoss JIRA] (TEIID-5657) VDB Migration Tool

[Ramesh Reddy (Jira)]

    [ https://issues.jboss.org/browse/TEIID-5657?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13699543#comment-13699543 ] 

Ramesh Reddy commented on TEIID-5657:
-------------------------------------

I issue to think about multiple DDL file inclusions is with Operator model. We have double check if there a way we can do this or it is anti-pattern to supply file sources.

> VDB Migration Tool
> ------------------
>
>                 Key: TEIID-5657
>                 URL: https://issues.jboss.org/browse/TEIID-5657
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Documentation, Quick Starts, Tooling
>    Affects Versions: 12.x
>            Reporter: Van Halbert
>            Assignee: Van Halbert
>            Priority: Major
>             Fix For: 12.1
>
>
> A migration tool will be provided to convert customer vdbs into just ddl. More than likely this will be just a single ddl file - which will probably not be acceptable to customers with large vdbs.
> We have this utility already available as just a main method in one of our jars. It is anticipated that a maven repo will be distribution mechanism and minimal documentation will be provided.
> There should be optional validation available for the vdb ddl at build time. This breaks down into 3 parts:
> 1. static syntactic validation, potentially even fully resolving if all metadata is present. This makes sure that basic typos will be caught.
> 2. providing hard errors for things that are completely removed - an error for usage of soap or function models for example.
> 3. providing errors or warning for features that are not yet available - vdb imports, sources that aren't yet supported etc.
> To avoid introducing a new plugin or plugging into fmp it's been suggested that the validation could be run via a generated unit test, which ties into another task which is booster, base project, or last resort an arche type that scaffolds the developer project.
> This could possibly be included in the quickstarts as a means to facilitate its use.



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