10:51 a.m.
"ORA-00918: column ambiguously defined" on MERGE/UPDATE when using Joined
Subclasses strategy.
----------------------------------------------------------------------------------------------
Key: HHH-3150
URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3150
Project: Hibernate3
Issue Type: Bug
Components: core
Affects Versions: 3.2.6
Environment: Core 3.2.5, Annotations 3.3.0.GA, EntityManager 3.3.1.GA, Oracle10g
Express and MS SQL Server 2005.
Reporter: Peter Lupo
Attachments: FromElementType.java
When using Joined Subclass strategy, an entityManager.merge(detatchedSubclassInstance) on
a subclass instance result in a query like this:
insert into HT_TB_AMBIENTECONFIGURADO select ambienteco0_.ID as ID from
TB_AMBIENTECONFIGURADO ambienteco0_ inner join TB_AMBIENTE ambienteco0_1_ on
ambienteco0_.ID=ambienteco0_1_.ID where ID=33367
The "WHERE" condition is not using the table alias. The join is made on the same
column, so it shouldn't matter from which table it would be get. Even then, Oracle
complains with "ORA-00918: column ambiguously defined" as in the stacktrace
included at the end of this description.
The fix is presented by someone with the same problem on a MS SQL Server 2005 database
here: http://forums.hibernate.org/viewtopic.php?t=969471
I have applied his fix and tested. It works correctly, generating a query with the table
alias. The fixed class is attached with commentaries marking what has been changed (lines
374 to 383).
javax.persistence.PersistenceException: org.hibernate.exception.SQLGrammarException: could
not insert/select ids for bulk update
at
org.hibernate.ejb.AbstractEntityManagerImpl.throwPersistenceException(AbstractEntityManagerImpl.java:630)
at org.hibernate.ejb.QueryImpl.executeUpdate(QueryImpl.java:59)
at
br.ufrj.cos.lens.taba.controle.gerencia.ambiente.CriaEntity.criaAmbConf(CriaEntity.java:36)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at
org.junit.internal.runners.TestMethodRunner.executeMethodBody(TestMethodRunner.java:99)
at org.junit.internal.runners.TestMethodRunner.runUnprotected(TestMethodRunner.java:81)
at
org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34)
at org.junit.internal.runners.TestMethodRunner.runMethod(TestMethodRunner.java:75)
at org.junit.internal.runners.TestMethodRunner.run(TestMethodRunner.java:45)
at
org.junit.internal.runners.TestClassMethodsRunner.invokeTestMethod(TestClassMethodsRunner.java:66)
at org.junit.internal.runners.TestClassMethodsRunner.run(TestClassMethodsRunner.java:35)
at org.junit.internal.runners.TestClassRunner$1.runUnprotected(TestClassRunner.java:42)
at
org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34)
at org.junit.internal.runners.TestClassRunner.run(TestClassRunner.java:52)
at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:38)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
Caused by: org.hibernate.exception.SQLGrammarException: could not insert/select ids for
bulk update
at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:67)
at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:43)
at
org.hibernate.hql.ast.exec.MultiTableUpdateExecutor.execute(MultiTableUpdateExecutor.java:127)
at org.hibernate.hql.ast.QueryTranslatorImpl.executeUpdate(QueryTranslatorImpl.java:396)
at org.hibernate.engine.query.HQLQueryPlan.performExecuteUpdate(HQLQueryPlan.java:259)
at org.hibernate.impl.SessionImpl.executeUpdate(SessionImpl.java:1141)
at org.hibernate.impl.QueryImpl.executeUpdate(QueryImpl.java:94)
at org.hibernate.ejb.QueryImpl.executeUpdate(QueryImpl.java:50)
... 21 more
Caused by: java.sql.SQLException: ORA-00918: column ambiguously defined
at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:145)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:331)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:288)
at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:743)
at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:216)
at
oracle.jdbc.driver.T4CPreparedStatement.executeForRows(T4CPreparedStatement.java:1120)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1279)
at
oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3415)
at
oracle.jdbc.driver.OraclePreparedStatement.executeUpdate(OraclePreparedStatement.java:3498)
at
org.jboss.resource.adapter.jdbc.WrappedPreparedStatement.executeUpdate(WrappedPreparedStatement.java:251)
at
org.hibernate.hql.ast.exec.MultiTableUpdateExecutor.execute(MultiTableUpdateExecutor.java:118)
... 26 more
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