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Re: Horizontal inheritance between different models and different databases.
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Re: Horizontal inheritance between different models and different databases.


  • Subject: Re: Horizontal inheritance between different models and different databases.
  • From: Chuck Hill <email@hidden>
  • Date: Tue, 19 Nov 2013 18:22:00 +0000
  • Thread-topic: Horizontal inheritance between different models and different databases.

"cannot do a deep fetch on entity … with parent … because they are stored in different databases."

IIRC EOF does not support inheritance across databases.

Chuck

-- 
Chuck Hill             
Executive Managing Partner, VP Development and Technical Services

Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems.    
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On 2013-11-19 6:01 AM, "Comm unity" wrote:

Hey guys,
I try to model an inheritance between two different models and two databases.

I have the parent entity modeled in "model1" and stored in "database1" and the subentity in "model2" and "database2".

The subentity has additional attributes and additional relations.

Now, when I try to run the application, the following exception appears:

IllegalArgumentException: _buildNodeListWithParent: cannot do a deep fetch on entity '<SubEntity>' with parent '<ParentEntity>' because they are stored in different databases.

Where <SubEntity> is the name of the subentity and <ParentEntity> the name of the parententity.

Does anybody have an idea?

Thanks.

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 >Horizontal inheritance between different models and different databases. (From: Comm unity <email@hidden>)

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