[teiid-dev] Hibernate reverse engineering

[Ramesh Reddy]

Does Hibernate support command line reverse engineering? 

On Thu, 2010-03-18 at 16:26 -0500, Michael Walker wrote:
> Thanks John. Let me know the JIRA and I'll follow it. I agree that
> this seems like something we should be capable of currently.
>  
>  
> 
> ______________________________________________________________________
> From: John Doyle [jdoyle at redhat.com]
> Sent: Thursday, March 18, 2010 5:16 PM
> To: Michael Walker
> Cc: Jason Stokes; teiid-dev at lists.jboss.org
> Subject: Re: [teiid-dev] Hibernate reverse engineering
> 
> 
> 
> Hey Mike,
> 
> I just tried to reverse engineer a 6.2 teiid vdb, because I thought
> your central thrust here was incorrect and that we had everything we
> needed already, and it fails.  The tooling can't find our dialect.
> It's in all the lists, but the classes are not getting found.
> 
> I believe this to be a defect, and that with the latest release of
> JBossTools you should be able to reverse engineer a Teiid VDB.  I'll
> see about tracking down the issue and logging a Jira.
> 
> ~john
> ----- "Michael Walker" <michael.walker at amentra.com> wrote: 
> > 
> > To set the context: Hibernate's reverse engineering feature uses
> standard JDBC database metadata to automatically generate all the
> necessary Hibernate config files for working with the target database
> in an O/R fashion
> (https://www.hibernate.org/hib_docs/tools/reference/en/html/reverseengineering.html).
> >  
> > The getting started guide tells me that Teiid does not currently
> support reverse engineering via Hibernate. This is somewhat
> surprising, since Teiid generally supports all the typical JDBC
> database metadata, making it easy to connect third-party client tools,
> etc.
> >  
> > Does anyone on the Teiid development team know what it would take to
> extend support for reverse engineering? How far off are we here?
> >  
> > Apparently, Hibernate does provide a few options for working with
> non-standard sources:
> >  
> > 1. Create a custom hibernate.reveng.xml configuration file - This
> will take care of small issues such as type mismatches, or exclusion
> of certain tables
> > 2. Extend Hibernate's JDBCMetaDataDialect class with your own
> implementation
> >  
> > I wonder if either option would allow us to get reverse engineering
> working with Teiid without having to make significant change to Teiid
> source. Thoughts?
> >  
> >  
> >  
> >  
> 
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