[hibernate-issues] [Hibernate-JIRA] Created: (HHH-2117) hbm2ddl generate additional foreign key column for super class when try to map from holder class to sub class
hbm2ddl generate additional foreign key column for super class when try to map from holder
class to sub class
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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
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