As my problem was only with
hierarchy childs (and only in the database layer), I've changed one
line in
HibernateEntity.vsl (into hibernate cartridge)
line 75 changed from:
#if($attribute.required)
* not-null="true"
#end
to
#if($attribute.required
&& !$entity.generalization)
* not-null="true"
#end
It runs fine for me.
:-)
Regards
Bruno
Bruno Suárez Laffargue dijo lo siguiente el 28/09/2004 20:20:
Hi all,
I'm getting an unexpected non-null error from the database.
I have M3 version, from a week or two ago.
I have a hierarchy of clases C, C1 and C2. C1 and C2 are sons of C,
they're at the same level.
I have an attribute att1 in C1 and another one att2 in C2.
When I try to make a save of C1 I get: Missing non-NULL value: att2.
In fact, in my C1 object I have no attribute att2 to set...
I know that is because of the one table per hierarchy solution.
I've thinked two ways of solving it:
- setting the attributes of every child of the hierarchy as
nullables. (this makes the scenario unreal, because the attributes are
not nullable for the subclasses)
- setting the attribute a default value in the model. (I haven't
see any change, neither in the java class, neither in the create table
sentence)
Is there any other way to solve it?
Thanks
Bruno
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