[hibernate-issues] [Hibernate-JIRA] Closed: (HHH-2368) Bulk delete fails when entity has a collection of composite-elements
Steve Ebersole (JIRA)
noreply at atlassian.com
Wed Jan 17 16:14:44 EST 2007
[ http://opensource.atlassian.com/projects/hibernate/browse/HHH-2368?page=all ]
Steve Ebersole closed HHH-2368:
-------------------------------
Resolution: Rejected
please read the documentation
> Bulk delete fails when entity has a collection of composite-elements
> --------------------------------------------------------------------
>
> Key: HHH-2368
> URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-2368
> Project: Hibernate3
> Type: Bug
> Components: core
> Versions: 3.2.1
> Environment: Hibernate 3.2.1, Oracle 10g
> Reporter: Rob Hasselbaum
>
>
> If an entity is mapped with a set of components ("composite-elements"), bulk delete of the entity fails with a foreign key constraint violation because Hibernate does not delete the contents of the child table. For example, suppose we have two POJOs:
> public class Person {
> private Long m_id;
> private Set m_aliases = new HashSet();
> .. getters and setters not shown ...
> }
> public class Name {
> private String m_lastName;
> .. getter and setter not shown ...
> }
> And the entity is mapped as follows:
> <class name="Person" table="tbl_person">
> <id name='id' column='objid'>
> <generator class='native'/>
> </id>
> <set name="aliases" table="tbl_name_aliases" lazy="false" cascade="all,delete-orphan">
> <key column="person_id"/>
> <composite-element class="Name" >
> <property name="lastName" column="last_name"/>
> </composite-element>
> </set>
> </class>
> The following code generates an integrity constraint violation:
> Session sess = getSessionFactory().getCurrentSession();
> Person person = new Person();
> Name name = new Name();
> name.setLastName("Smith");
> person.getAliases().add(name);
> sess.saveOrUpdate(person);
> sess.flush();
> sess.createQuery("delete from Person").executeUpdate(); // FAILS!
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