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TENEO EAV (Entity-attribute-value model ) Problem [message #756541]

Mon, 14 November 2011 09:19

Jean-Louis

Messages: 18
Registered: October 2011

Junior Member

Hi,

I'm trying to use EAV to working with Teneo, i have tried to following this tutorial:
wiki.eclipse.org/Teneo/Hibernate/ModelRelational/Entity_Attribute_Value_Mapping

What i can see in database is just a table with the name of my EAV class and a columm dType=eavData.
I have put the tag @EAVMapping in the class that i want in a EAV structure (using ecorediag and i have put like a normal JPA annotation).

It's normal?

I'm asking because i was expecting something like "In this mapping all the data is stored in just two tables (the object and its values). " and i can see just one table.

Many thanks in advance

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Re: TENEO EAV (Entity-attribute-value model ) Problem [message #756566 is a reply to message #756541]

Mon, 14 November 2011 11:08

Martin Taal

Messages: 5468
Registered: July 2009

Senior Member

Hi Jean-Louis,
I expect more tables for the values. Probably hibernate was not able to create all tables because of a database/syntax
error in the sql create script. Hibernate will log this in the beginning of the process but will continue even if there
are errors there. Can you check the output/console/log in the beginning for errors?

gr. Martin

On 11/14/2011 10:19 AM, Jean-Louis wrote:
> Hi,
>
> I'm trying to use EAV to working with Teneo, i have tried to following this tutorial:
> wiki.eclipse.org/Teneo/Hibernate/ModelRelational/Entity_Attribute_Value_Mapping
>
> What i can see in database is just a table with the name of my EAV class and a columm dType=eavData.
> I have put the tag @EAVMapping in the class that i want in a EAV structure (using ecorediag and i have put like a normal
> JPA annotation).
>
> It's normal?
>
> I'm asking because i was expecting something like "In this mapping all the data is stored in just two tables (the object
> and its values). " and i can see just one table.
>
> Many thanks in advance

--

With Regards, Martin Taal

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