hbm2ddl generate additional foreign key column for super class when try to map from holder class to sub class ------------------------------------------------------------------------------------------------------------- Key: HHH-2117 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2117 Project: Hibernate3 Type: Bug Versions: 3.1.3 Environment: MS SQL 2000, PointBase Micro 5 Reporter: Egor Priority: Minor I have next classes SuperClass | | * 1 SubClasss-----HolderClass Mappings for this classes <class name="SuperClass" table="locations" discriminator-value="0"> <id name="idSuperClass" type="short"> <column name="id_super_class" /> <generator class="assigned" /> </id> <discriminator type="byte"> <column name="class_type" /> </discriminator> ...................................... </class> <subclass name="SubClass" extends="SuperClass" discriminator-value="1"> <join table="SubClass"> <key> <column name="id_super_class" /> </key> <many-to-one name="holderClass" class="HolderClass" > <column name="id_holder_class" /> </many-to-one> ...................................... </join> </subclass> <class name="HolderClass" table="HolderClass"> <id name="idHolderClass" type="short"> <column name="id_holder_class" /> <generator class="assigned" /> </id> <bag name="subClassList" table="SubClass" inverse="true"> <key column="id_holder_class" /> <one-to-many class="SubClass" /> </bag> ...................................... </class> When I try to generate schema with SchemaExport, i get next tables FK SuperClass----- |PK | |FK PK| SubClasss-----HolderClass FK -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira