Concrete « Table « JPA Q&A





1. Table per Concrete Class Hierarchy in Hibernate    stackoverflow.com

I have the following Hibernate Mapping, which has to be mapped using the Table per Concrete Class Hierarchy:

<hibernate-mapping package='dao'>
    <meta attribute='class-description'></meta>
    <class name='PropertyDAO'>
   ...

3. table per concrete class persistancy    forum.hibernate.org

i couldn't get you :( Let me describe my problem. I have a resource class which has only one field: resourceId. i want my partner class and machine - that both are very heavy classes- inharite from resource. I really don't want to create a table for resource class, bu ti want to add a field for resourceId in each subclass ...

4. table for concrete class    forum.hibernate.org

View unanswered posts | View active topics Board index Hibernate & Java Persistence Hibernate Users All times are UTC - 5 hours [ DST ] table for concrete class Page 1 of 1 [ 2 posts ] Previous topic | Next topic Author Message freemant Post subject: table for concrete ...

5. Table per concrete class without using UNION    forum.hibernate.org

6. Discussion about table-per-concrete-class    forum.hibernate.org

I have the following problem: We want to change our object to relational mapping tool to hibernate. In our previous mapping tool we used the following strategy: - table-per-concrete-class - identity id generation - generate POJO's from our mapping-document. We don't need polymorphism !! If I do this with hibernate I can choose the following solutions: 1. union-subclass mapping. This seems ...

7. horizontal split of table per concrete class    forum.hibernate.org

Hi I have the following (simplified) scenario: class User with properties: id and mailAddress class Sender that extends User and has 2 additional properties : logoImage and www I have the "table per concrete class" model. Table "sender" has the columns id, mailAddress and logoImage. Also I have the table "sender_www" with columns: senderId and www. The following mapping works (the ...

8. could not get table per concrete class    forum.hibernate.org

I use the following hbm to get table per concrete class hi_value next_value 100 But I end up with 3 tables. the ...

9. Table per concrete class with unions: limitations?    forum.hibernate.org

In our application we have this structure: (1) inheritance hierarchy is :Table per concrete class with unions (2) class B extends abstract class A (3) B has an one-to-many relationship to A While testing CRUD on B, there is an error that table A does not exist. My questions are: (A) why is Hibernate asking for table A? With the chosen ...