Hibernate Unidirectionnel relation Parent/Enfant - delete() effectue la mise à jour sur table enfant au lieu de le supprimer

Si je supprimer un enregistrement de la table Parent je veux les enregistrements correspondants dans la table enfant à être supprimé. Comment puis-je faire Hibernate supprimer de la table Enfant plutôt que de tenter de le mettre à jour avec une valeur null?

Je suis de l'utilisation d'Hibernate 3 mais ne peut pas utiliser les annotations en ce moment. J'ai joint des copies de HBM, DAO, etc ci-dessous. -- Je vous remercie à l'Avance

Lors de la tentative de suppression des données à partir de tables dans la relation Parent/Enfant j'obtiens l'erreur suivante:

Testcase: testDelete(com.dressbarn.imbo.model.data.hibernate.dao.CharityTransferDAOTest):        Caused an ERROR
Hibernate flushing: Could not execute JDBC batch update; uncategorized SQLException for SQL [update RMS12.DRS_CHARITY_TRANSFER_ITEM set TSF_NO=null, TSF_SEQ_NO=null where TSF_NO=?]; SQL state [72000]; error code [1407]; ORA-01407: cannot update ("RMS12"."DRS_CHARITY_TRANSFER_ITEM"."TSF_NO") to NULL
; nested exception is java.sql.BatchUpdateException: ORA-01407: cannot update ("RMS12"."DRS_CHARITY_TRANSFER_ITEM"."TSF_NO") to NULL
org.springframework.jdbc.UncategorizedSQLException: Hibernate flushing: Could not execute JDBC batch update; uncategorized SQLException for SQL [update RMS12.DRS_CHARITY_TRANSFER_ITEM set TSF_NO=null, TSF_SEQ_NO=null where TSF_NO=?]; SQL state [72000]; error code [1407]; ORA-01407: cannot update ("RMS12"."DRS_CHARITY_TRANSFER_ITEM"."TSF_NO") to NULL
; nested exception is java.sql.BatchUpdateException: ORA-01407: cannot update ("RMS12"."DRS_CHARITY_TRANSFER_ITEM"."TSF_NO") to NULL
Caused by: java.sql.BatchUpdateException: ORA-01407: cannot update ("RMS12"."DRS_CHARITY_TRANSFER_ITEM"."TSF_NO") to NULL
at oracle.jdbc.driver.DatabaseError.throwBatchUpdateException(DatabaseError.java:498)
at oracle.jdbc.driver.OraclePreparedStatement.executeBatch(OraclePreparedStatement.java:12368)
at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:48)
at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:246)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:237)
at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:143)
at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:298)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:27)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)
at org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
at org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:578)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:662)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:632)
at org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:314)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:116)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:171)
at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterceptor.intercept(Cglib2AopProxy.java:629)
at com.dressbarn.imbo.model.data.hibernate.dao.CharityTransferDAO$$EnhancerByCGLIB$$6a21cd58.delete(<generated>)
at com.dressbarn.imbo.model.data.hibernate.dao.CharityTransferDAOTest.testDelete(CharityTransferDAOTest.java:112)
at org.springframework.test.ConditionalTestCase.runBare(ConditionalTestCase.java:69)

Mes tableaux sont:

Parent:

CREATE TABLE DRS_CHARITY_TRANSFER
(
TSF_NO          NUMBER(10)                    NOT NULL Primary Key,
FROM_LOC        NUMBER(10),
CHARITY_LOC_ID  NUMBER(10),
STATUS          VARCHAR2(1 CHAR),
CREATE_DATE     DATE,
EXT_REF_NO      VARCHAR2(30 CHAR),
COMMENT_DESC    VARCHAR2(2000 CHAR),
USER_ID         VARCHAR2(30 CHAR)
)

Enfant:

CREATE TABLE DRS_CHARITY_TRANSFER_ITEM
(
TSF_NO      NUMBER(10)  NOT NULL PRIMARY KEY,
ITEM        VARCHAR2(25 BYTE)  NOT NULL PRIMARY KEY,
TSF_SEQ_NO  INTEGER,
TSF_QTY     INTEGER
)

HBM XML

<hibernate-mapping package="com.dressbarn.imbo.model.data.hibernate.transfer" schema="RMS12">
<class name="CharityTransfer" table="DRS_CHARITY_TRANSFER">
<id name="transferNumber" column="TSF_NO" unsaved-value="undefined">
</id>
<property column="FROM_LOC" length="10" name="fromLocation" type="java.lang.Long"/>
<property column="CHARITY_LOC_ID" length="10" name="toCharityLocId" type="java.lang.Long"/>
<property column="STATUS" name="status" type="string"/>
<property column="EXT_REF_NO" name="documentNumber" type="string"/>
<property column="COMMENT_DESC" name="comment" type="string"/>
<property column="CREATE_DATE" name="createDate" type="string"/>
<property column="USER_ID" name="userId" type="string"/>
<list name="charityTransferItemList" cascade="all-delete-orphan" lazy="false">
<key column="TSF_NO" />
<list-index column="TSF_SEQ_NO"/>
<one-to-many class="CharityTransferItem" />
</list>
</class>
<class name="CharityTransferItem" table="DRS_CHARITY_TRANSFER_ITEM">
<id name="item" column="TSF_NO" unsaved-value="undefined">
</id>
<property column="ITEM" name="item" type="string"/>
<property column="TSF_SEQ_NO" length="10" name="sequence" type="integer"/>
<property column="TSF_QTY" length="12" name="quantity" type="long"/>
</class>

DAO

public class CharityTransferDAO extends HibernateDaoSupport implements ICharityTransfer {
public void delete(CharityTransfer charityTransfer) throws IMADataException {
try {
getSessionFactory()
.getCurrentSession()
.delete(charityTransfer);
}
catch (HibernateException e) {
throw new IMADataException("failed to delete charity shipping information", e);
}    
}

OriginalL'auteur Mark Glass | 2009-06-18