[hibernate-issues] [Hibernate-JIRA] Created: (HBX-966) hbm2ddl is generating tables for classes annotated with @MappedSuperclass

[Ezra Epstein (JIRA)]

hbm2ddl is generating tables for classes annotated with @MappedSuperclass
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                 Key: HBX-966
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HBX-966
             Project: Hibernate Tools
          Issue Type: Bug
          Components: ant
    Affects Versions: 3.2beta8
         Environment: Hibernate 3.2
MySQL 5
            Reporter: Ezra Epstein


I've a class annotated as:

@Entity
@MappedSuperclass
public abstract class BaseUuidKeyedEntity implements Serializable {
...
}

The relevant section of the EJB3 persistence spec reads, in part:

"9.1.36 MappedSuperclass Annotation
The MappedSuperclass annotation designates a class whose mapping information is applied to the
entities that inherit from it. A mapped superclass has no separate table defined for it.
A class designated with the MappedSuperclass annotation can be mapped in the same way as an
entity except that the mappings will apply only to its subclasses since no table exists for the mapped
superclass itself...."

So no Table should be associated with this class.  

Yet the resultant DDL includes:

    create table BaseUuidKeyedEntity (
        uuid varchar(31) not null,
        create_ts datetime,
        update_ts datetime,
        versionNum integer,
        primary key (uuid)
    );



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