HHH-9930 - Enable mariadb (mysql) database profile

build.gradle

@@ -137,6 +137,8 @@ subprojects { subProject ->
 		testRuntime( libraries.h2 )
 		testRuntime( libraries.woodstox )
 
+		testRuntime( 'org.mariadb.jdbc:mariadb-java-client:1.1.7' )
+
 		// 6.6 gave me some NPE problems from within checkstyle...
 		checkstyle 'com.puppycrawl.tools:checkstyle:6.5'
 	}
@@ -189,9 +191,9 @@ subprojects { subProject ->
 		systemProperties['hibernate.test.validatefailureexpected'] = true
 		systemProperties += System.properties.findAll { it.key.startsWith( "hibernate.") }
 
-//		beforeTest { descriptor ->
-//			println "Starting test: " + descriptor
-//		}
+		beforeTest { descriptor ->
+			println "Starting test: " + descriptor
+		}
 
 //		afterTest { descriptor ->
 //			println "Completed test: " + descriptor

databases/mariadb/resources/hibernate.properties

@@ -5,7 +5,7 @@
 # See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 #
 
-hibernate.dialect =
+hibernate.dialect org.hibernate.dialect.MySQL5Dialect
 hibernate.connection.driver_class org.mariadb.jdbc.Driver
 hibernate.connection.url jdbc:mariadb://localhost/hibernate_orm_test
 hibernate.connection.username hibernate_orm_test

hibernate-core/hibernate-core.gradle

@@ -134,3 +134,10 @@ xjc {
 //sourceSets.main.sourceGeneratorsTask.dependsOn xjc
 //sourceSets.main.sourceGeneratorsTask.dependsOn generateGrammarSource
 tasks.compile.dependsOn generateGrammarSource
+
+
+tasks."matrix_mariadb" {
+    beforeTest { descriptor ->
+        println "Starting test: " + descriptor
+    }
+}

hibernate-core/src/test/java/org/hibernate/id/uuid/GeneratedValueTest.java

@@ -7,6 +7,7 @@
 package org.hibernate.id.uuid;
 
 import java.util.UUID;
+import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.Id;
@@ -39,7 +40,7 @@ import static org.junit.Assert.assertNotNull;
  */
 public class GeneratedValueTest extends BaseUnitTestCase {
 	@Test
-	public void testGeneratedUuidId() {
+	public void testGeneratedUuidId() throws Exception {
 		StandardServiceRegistry ssr = new StandardServiceRegistryBuilder()
 				.applySetting( AvailableSettings.HBM2DDL_AUTO, "create-drop" )
 				.build();
@@ -73,9 +74,17 @@ public class GeneratedValueTest extends BaseUnitTestCase {
 
 				s = sf.openSession();
 				s.beginTransaction();
-				s.delete( theEntity );
-				s.getTransaction().commit();
-				s.close();
+				try {
+					s.delete( theEntity );
+					s.getTransaction().commit();
+				}
+				catch (Exception e) {
+					s.getTransaction().rollback();
+					throw e;
+				}
+				finally {
+					s.close();
+				}
 			}
 			finally {
 				try {
@@ -94,6 +103,7 @@ public class GeneratedValueTest extends BaseUnitTestCase {
 	@Table(name = "TheEntity")
 	public static class TheEntity {
 		@Id
+		@Column( length = 16 )
 		@GeneratedValue
 		public UUID id;
 	}

hibernate-core/src/test/java/org/hibernate/test/annotations/loader/LoaderTest.java

@@ -15,6 +15,8 @@ import java.util.Set;
 import org.hibernate.ObjectNotFoundException;
 import org.hibernate.Session;
 import org.hibernate.Transaction;
+import org.hibernate.resource.transaction.spi.TransactionStatus;
+
 import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
 import org.junit.Test;
 
@@ -39,49 +41,54 @@ public class LoaderTest extends BaseCoreFunctionalTestCase {
 
 	@Test
 	public void testBasic() throws Exception {
+		// set up data...
 		Session s = openSession( );
 		Transaction tx = s.beginTransaction();
 		Team t = new Team();
 		Player p = new Player();
-		p.setName("me");
-		t.getPlayers().add(p);
-		p.setTeam(t);
-		
+		p.setName( "me" );
+		t.getPlayers().add( p );
+		p.setTeam( t );
+		s.persist(p);
+		s.persist( t );
+		tx.commit();
+		s.close();
 
-		try {
-			s.persist(p);
-			s.persist(t);
-			tx.commit();
-			s.close();
-			
-			s= openSession( );
-			tx = s.beginTransaction();
-			Team t2 = (Team)s.load(Team.class,new Long(1));
-			Set<Player> players = t2.getPlayers();
-			Iterator<Player> iterator = players.iterator();
-			assertEquals("me", iterator.next().getName());
-			tx.commit();
-			
-		}
-		catch (Exception e) {
-			e.printStackTrace();
-			if ( tx != null ) tx.rollback();
-		}
-		finally {
-			s.close();
-		}
+		s = openSession();
+		tx = s.beginTransaction();
+		Team t2 = s.load( Team.class, t.getId() );
+		Set<Player> players = t2.getPlayers();
+		Iterator<Player> iterator = players.iterator();
+		assertEquals( "me", iterator.next().getName() );
+		tx.commit();
+		s.close();
+
+		// clean up data
+		s = openSession();
+		tx = s.beginTransaction();
+		t = s.get( Team.class, t2.getId() );
+		p = s.get( Player.class, p.getId() );
+		s.delete( p );
+		s.delete( t );
+		tx.commit();
+		s.close();
 	}
 
 	@Test
 	public void testGetNotExisting() {
 		Session s = openSession();
+		s.beginTransaction();
 
 		try {
 			long notExistingId = 1l;
 			s.load( Team.class, notExistingId );
 			s.get( Team.class, notExistingId );
+			s.getTransaction().commit();
 		}
 		catch (ObjectNotFoundException e) {
+			if ( s.getTransaction().getStatus() == TransactionStatus.ACTIVE ) {
+				s.getTransaction().rollback();
+			}
 			fail("#get threw an ObjectNotFoundExcepton");
 		}
 		finally {

hibernate-core/src/test/java/org/hibernate/test/annotations/lob/SerializableToBlobTypeTest.java

@@ -75,6 +75,7 @@ public class SerializableToBlobTypeTest extends BaseNonConfigCoreFunctionalTestC
 		session.close();
 
 		session = openSession();
+		session.beginTransaction();
 
 		EntitySerialize persistedSerialize = (EntitySerialize) session.get( EntitySerialize.class, entitySerialize.id );
 		assertEquals( "explicitLob", persistedSerialize.explicitLob.value );
@@ -84,6 +85,9 @@ public class SerializableToBlobTypeTest extends BaseNonConfigCoreFunctionalTestC
 
 		assertEquals( "defaultExplicitLob", persistedSerialize.explicitLob.defaultValue );
 
+		session.delete( persistedSerialize );
+
+		session.getTransaction().commit();
 		session.close();
 	}
 

hibernate-core/src/test/java/org/hibernate/test/annotations/onetoone/hhh9798/OneToOneJoinTableTest.java

@@ -14,6 +14,8 @@ import org.junit.Test;
 import org.hibernate.testing.TestForIssue;
 import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
 
+import static org.junit.Assert.fail;
+
 @TestForIssue(jiraKey = "HHH-9798")
 public class OneToOneJoinTableTest extends BaseCoreFunctionalTestCase {
 
@@ -34,14 +36,28 @@ public class OneToOneJoinTableTest extends BaseCoreFunctionalTestCase {
 			session.save( shipment2 );
 
 			tx.commit();
+
+			fail();
 		}
 		finally {
 			if ( session != null ) {
+				session.getTransaction().rollback();
 				session.close();
 			}
+
+			cleanUpData();
 		}
 	}
 
+	private void cleanUpData() {
+		Session session = openSession();
+		session.beginTransaction();
+		session.createQuery( "delete Shipment" ).executeUpdate();
+		session.createQuery( "delete Item" ).executeUpdate();
+		session.getTransaction().commit();
+		session.close();
+	}
+
 	@Override
 	protected Class<?>[] getAnnotatedClasses() {
 		return new Class<?>[] {

hibernate-core/src/test/java/org/hibernate/test/extralazy/ExtraLazyTest.java

@@ -17,6 +17,9 @@ import java.util.Map;
 import org.hibernate.Hibernate;
 import org.hibernate.Session;
 import org.hibernate.Transaction;
+
+import org.hibernate.testing.DialectChecks;
+import org.hibernate.testing.RequiresDialectFeature;
 import org.hibernate.testing.TestForIssue;
 import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
 import org.junit.Test;
@@ -200,6 +203,7 @@ public class ExtraLazyTest extends BaseCoreFunctionalTestCase {
 	}
 	
 	@Test
+	@RequiresDialectFeature( DialectChecks.DoubleQuoteQuoting.class )
 	public void testSQLQuery() {
 		Session s = openSession();
 		Transaction t = s.beginTransaction();

hibernate-core/src/test/java/org/hibernate/test/hqlfetchscroll/HQLScrollFetchTest.java

@@ -44,32 +44,38 @@ public class HQLScrollFetchTest extends BaseCoreFunctionalTestCase {
 	@Test
 	public void testNoScroll() {
 		Session s = openSession();
+		s.beginTransaction();
 		List list = s.createQuery( QUERY ).setResultTransformer( DistinctRootEntityResultTransformer.INSTANCE ).list();
 		assertResultFromAllUsers( list );
+		s.getTransaction().commit();
 		s.close();
 	}
 
 	@Test
-	@SkipForDialect( { SQLServerDialect.class,  Oracle8iDialect.class, H2Dialect.class, DB2Dialect.class,
+	@SkipForDialect( { SQLServerDialect.class,  Oracle8iDialect.class, DB2Dialect.class,
             AbstractHANADialect.class, TeradataDialect.class } )
 	public void testScroll() {
 		Session s = openSession();
-		ScrollableResults results = s.createQuery( QUERY ).scroll();
+		s.beginTransaction();
+		ScrollableResults results = s.createQuery( QUERY + " order by p.name asc, c.name asc" ).scroll();
 		List list = new ArrayList();
 		while ( results.next() ) {
 			list.add( results.get( 0 ) );
 		}
 		assertResultFromAllUsers( list );
+		s.getTransaction().commit();
 		s.close();
 	}
 
 	@Test
 	public void testIncompleteScrollFirstResult() {
 		Session s = openSession();
+		s.beginTransaction();
 		ScrollableResults results = s.createQuery( QUERY + " order by p.name asc" ).scroll();
 		results.next();
 		Parent p = (Parent) results.get( 0 );
 		assertResultFromOneUser( p );
+		s.getTransaction().commit();
 		s.close();
 	}
 
@@ -77,6 +83,7 @@ public class HQLScrollFetchTest extends BaseCoreFunctionalTestCase {
 	@TestForIssue( jiraKey = "HHH-1283" )
 	public void testIncompleteScrollSecondResult() {
 		Session s = openSession();
+		s.beginTransaction();
 		ScrollableResults results = s.createQuery( QUERY + " order by p.name asc" ).scroll();
 		results.next();
 		Parent p = (Parent) results.get( 0 );
@@ -84,6 +91,7 @@ public class HQLScrollFetchTest extends BaseCoreFunctionalTestCase {
 		results.next();
 		p = (Parent) results.get( 0 );
 		assertResultFromOneUser( p );
+		s.getTransaction().commit();
 		s.close();
 	}
 
@@ -119,6 +127,7 @@ public class HQLScrollFetchTest extends BaseCoreFunctionalTestCase {
 	@TestForIssue( jiraKey = "HHH-1283")
 	public void testIncompleteScroll() {
 		Session s = openSession();
+		s.beginTransaction();
 		ScrollableResults results = s.createQuery( QUERY + " order by p.name asc" ).scroll();
 		results.next();
 		Parent p = (Parent) results.get( 0 );
@@ -151,6 +160,7 @@ public class HQLScrollFetchTest extends BaseCoreFunctionalTestCase {
 		// check that the same second parent is obtained by calling Session.get()
 		assertNull( pOther );
 		assertNull( cOther );
+		s.getTransaction().commit();
 		s.close();
 	}
 
@@ -158,6 +168,7 @@ public class HQLScrollFetchTest extends BaseCoreFunctionalTestCase {
 	@TestForIssue( jiraKey = "HHH-1283" )
 	public void testIncompleteScrollLast() {
 		Session s = openSession();
+		s.beginTransaction();
 		ScrollableResults results = s.createQuery( QUERY + " order by p.name asc" ).scroll();
 		results.next();
 		Parent p = (Parent) results.get( 0 );
@@ -193,6 +204,7 @@ public class HQLScrollFetchTest extends BaseCoreFunctionalTestCase {
 		assertTrue( Hibernate.isInitialized( pOther.getChildren() ) );
 		assertEquals( childrenOther, pOther.getChildren() );
 		assertResultFromOneUser( pOther );
+		s.getTransaction().commit();
 		s.close();
 	}
 
@@ -200,12 +212,14 @@ public class HQLScrollFetchTest extends BaseCoreFunctionalTestCase {
 	@TestForIssue( jiraKey = "HHH-1283" )
 	public void testScrollOrderParentAsc() {
 		Session s = openSession();
+		s.beginTransaction();
 		ScrollableResults results = s.createQuery( QUERY + " order by p.name asc" ).scroll();
 		List list = new ArrayList();
 		while ( results.next() ) {
 			list.add( results.get( 0 ) );
 		}
 		assertResultFromAllUsers( list );
+		s.getTransaction().commit();
 		s.close();
 	}
 
@@ -213,12 +227,14 @@ public class HQLScrollFetchTest extends BaseCoreFunctionalTestCase {
 	@TestForIssue( jiraKey = "HHH-1283" )
 	public void testScrollOrderParentDesc() {
 		Session s = openSession();
+		s.beginTransaction();
 		ScrollableResults results = s.createQuery( QUERY + " order by p.name desc" ).scroll();
 		List list = new ArrayList();
 		while ( results.next() ) {
 			list.add( results.get( 0 ) );
 		}
 		assertResultFromAllUsers( list );
+		s.getTransaction().commit();
 		s.close();
 	}
 
@@ -226,12 +242,14 @@ public class HQLScrollFetchTest extends BaseCoreFunctionalTestCase {
 	@TestForIssue( jiraKey = "HHH-1283" )
 	public void testScrollOrderParentAscChildrenAsc() {
 		Session s = openSession();
+		s.beginTransaction();
 		ScrollableResults results = s.createQuery( QUERY + " order by p.name asc, c.name asc" ).scroll();
 		List list = new ArrayList();
 		while ( results.next() ) {
 			list.add( results.get( 0 ) );
 		}
 		assertResultFromAllUsers( list );
+		s.getTransaction().commit();
 		s.close();
 	}
 
@@ -239,12 +257,14 @@ public class HQLScrollFetchTest extends BaseCoreFunctionalTestCase {
 	@TestForIssue( jiraKey = "HHH-1283" )
 	public void testScrollOrderParentAscChildrenDesc() {
 		Session s = openSession();
+		s.beginTransaction();
 		ScrollableResults results = s.createQuery( QUERY + " order by p.name asc, c.name desc" ).scroll();
 		List list = new ArrayList();
 		while ( results.next() ) {
 			list.add( results.get( 0 ) );
 		}
 		assertResultFromAllUsers( list );
+		s.getTransaction().commit();
 		s.close();
 	}
 

hibernate-core/src/test/java/org/hibernate/test/jpa/ql/NamedNativeQueryTest.java

@@ -203,10 +203,12 @@ public class NamedNativeQueryTest extends BaseCoreFunctionalTestCase {
 		session.close();
 
 		session = openSession();
+		session.beginTransaction();
 		DestinationEntity get = (DestinationEntity) session.get( DestinationEntity.class, destinationEntity.id );
 
 		assertEquals( anotherFrom, get.from );
 		assertEquals( inverseFullName, get.fullNameFrom );
+		session.getTransaction().commit();
 		session.close();
 	}
 

hibernate-core/src/test/java/org/hibernate/test/legacy/MultiTableTest.java

@@ -552,23 +552,44 @@ public class MultiTableTest extends LegacyTestCase {
 			if ( o instanceof Top ) foundSimple++;
 			if ( o instanceof Multi ) foundMulti++;
 		}
-		assertTrue( foundSimple==2 && foundMulti==1 );
-		assertEquals( 3, doDelete( s, "from Top" ) );
+		assertTrue( foundSimple == 2 && foundMulti == 1 );
 		t.commit();
 		s.close();
+
+		s = openSession();
+		t = s.beginTransaction();
+		try {
+			// MySQL does not like deleting rows that refer to itself without first
+			// null'ing out the FK.  Ugh...
+			ls = s.load( Lower.class, id );
+			ls.setOther( null );
+			ls.setAnother( null );
+			ls.setYetanother( null );
+			for ( Object o : ls.getSet() ) {
+				s.delete( o );
+			}
+			ls.getSet().clear();
+			s.flush();
+			s.delete( ls );
+			t.commit();
+		}
+		catch (Exception e) {
+			t.rollback();
+			throw e;
+		}
+		finally {
+			s.close();
+		}
 	}
 
 	@Test
 	public void testMultiTableManyToOne() throws Exception {
 		Session s = openSession();
 		Transaction t = s.beginTransaction();
-		assertTrue( s.createQuery( "from Top" ).list().size()==0 );
+		assertTrue( s.createQuery( "from Top" ).list().size() == 0 );
 		Multi multi = new Multi();
-		multi.setExtraProp("extra");
+		multi.setExtraProp( "extra" );
 		multi.setName("name");
-		Top simp = new Top();
-		simp.setDate( new Date() );
-		simp.setName("simp");
 		s.save(multi);
 		Lower ls = new Lower();
 		ls.setOther(ls);
@@ -582,13 +603,28 @@ public class MultiTableTest extends LegacyTestCase {
 
 		s = openSession();
 		t = s.beginTransaction();
-		ls = (Lower) s.load(Lower.class, id);
-		assertTrue( ls.getOther()==ls && ls.getYetanother()==ls );
-		assertTrue( ls.getAnother().getName().equals("name") && ls.getAnother() instanceof Multi );
-		s.delete(ls);
-		s.delete( ls.getAnother() );
-		t.commit();
-		s.close();
+		try {
+			// MySQL does not like deleting rows that refer to itself without first
+			// null'ing out the FK.  Ugh...
+			ls = s.load( Lower.class, id );
+			assertTrue( ls.getOther() == ls && ls.getYetanother() == ls );
+			assertTrue( ls.getAnother().getName().equals( "name" ) && ls.getAnother() instanceof Multi );
+			s.delete( ls.getAnother() );
+			ls.setOther( null );
+			ls.setAnother( null );
+			ls.setYetanother( null );
+			ls.getSet().clear();
+			s.flush();
+			s.delete( ls );
+			t.commit();
+		}
+		catch (Exception e) {
+			t.rollback();
+			throw e;
+		}
+		finally {
+			s.close();
+		}
 	}
 
 	@Test

hibernate-core/src/test/java/org/hibernate/test/naturalid/mutable/cached/CachedMutableNaturalIdTest.java

@@ -49,7 +49,7 @@ public abstract class CachedMutableNaturalIdTest extends BaseCoreFunctionalTestC
 
 		session = openSession();
 		session.beginTransaction();
-		it = (Another) session.bySimpleNaturalId( Another.class ).load( "it" );
+		it = session.bySimpleNaturalId( Another.class ).load( "it" );
 		assertNotNull( it );
 		// change it's name
 		it.setName( "it2" );
@@ -58,9 +58,9 @@ public abstract class CachedMutableNaturalIdTest extends BaseCoreFunctionalTestC
 
 		session = openSession();
 		session.beginTransaction();
-		it = (Another) session.bySimpleNaturalId( Another.class ).load( "it" );
+		it = session.bySimpleNaturalId( Another.class ).load( "it" );
 		assertNull( it );
-		it = (Another) session.bySimpleNaturalId( Another.class ).load( "it2" );
+		it = session.bySimpleNaturalId( Another.class ).load( "it2" );
 		assertNotNull( it );
 		session.delete( it );
 		session.getTransaction().commit();
@@ -78,7 +78,7 @@ public abstract class CachedMutableNaturalIdTest extends BaseCoreFunctionalTestC
 
 		session = openSession();
 		session.beginTransaction();
-		it = (Another) session.bySimpleNaturalId( Another.class ).load( "it" );
+		it = session.bySimpleNaturalId( Another.class ).load( "it" );
 		assertNotNull( it );
 		session.getTransaction().commit();
 		session.close();
@@ -93,9 +93,9 @@ public abstract class CachedMutableNaturalIdTest extends BaseCoreFunctionalTestC
 
 		session = openSession();
 		session.beginTransaction();
-		it = (Another) session.bySimpleNaturalId( Another.class ).load( "it" );
+		it = session.bySimpleNaturalId( Another.class ).load( "it" );
 		assertNull( it );
-		it = (Another) session.bySimpleNaturalId( Another.class ).load( "it2" );
+		it = session.bySimpleNaturalId( Another.class ).load( "it2" );
 		assertNotNull( it );
 		session.delete( it );
 		session.getTransaction().commit();
@@ -118,7 +118,7 @@ public abstract class CachedMutableNaturalIdTest extends BaseCoreFunctionalTestC
 		session = openSession();
 		for (int i=0; i < 10; i++) {
 			session.beginTransaction();
-			it = (Another) session.byId(Another.class).load(id);
+			it = session.byId(Another.class).load(id);
 			if (i == 9) {
 				it.setName("name" + i);
 			}
@@ -128,15 +128,16 @@ public abstract class CachedMutableNaturalIdTest extends BaseCoreFunctionalTestC
 		
 		session = openSession();
 		session.beginTransaction();
-		it = (Another) session.bySimpleNaturalId(Another.class).load("it");
+		it = session.bySimpleNaturalId(Another.class).load("it");
 		assertNull(it);
-		assertEquals(0, session.getSessionFactory().getStatistics().getNaturalIdCacheHitCount());
-		it = (Another) session.byId(Another.class).load(id);
+		assertEquals( 0, session.getSessionFactory().getStatistics().getNaturalIdCacheHitCount() );
+		it = session.byId(Another.class).load(id);
 		session.delete(it);
 		session.getTransaction().commit();
+		session.close();
 		
 		// finally there should be only 2 NaturalIdCache puts : 1. insertion, 2. when updating natural-id from 'it' to 'name9'
-		assertEquals(2, session.getSessionFactory().getStatistics().getNaturalIdCachePutCount());
+		assertEquals( 2, session.getSessionFactory().getStatistics().getNaturalIdCachePutCount() );
 	}
 	
 	@Test
@@ -153,7 +154,7 @@ public abstract class CachedMutableNaturalIdTest extends BaseCoreFunctionalTestC
 
 			session = openSession();
 			session.beginTransaction();
-			it = (AllCached) session.byId( AllCached.class ).load( id );
+			it = session.byId( AllCached.class ).load( id );
 
 			it.setName( "it2" );
 			it = (AllCached) session.bySimpleNaturalId( AllCached.class ).load( "it" );
@@ -177,19 +178,22 @@ public abstract class CachedMutableNaturalIdTest extends BaseCoreFunctionalTestC
 		b.assA = a;
 		a.assB.add( b );
 		session.getTransaction().commit();
-		session.clear();
+		session.close();
 
+
+		session = openSession();
 		session.beginTransaction();
-		session.buildLockRequest(LockOptions.NONE).lock(b); // HHH-7513 failure during reattachment
-		session.delete(b.assA);
-		session.delete(b);
-		
-		session.getTransaction().commit();
-		session.clear();
-		
+		session.buildLockRequest(LockOptions.NONE).lock( b ); // HHH-7513 failure during reattachment
+		session.delete( b.assA );
+		session.delete( b );
+		session.flush();
+
 		// true if the re-attachment worked
 		assertEquals( session.createQuery( "FROM A" ).list().size(), 0 );
 		assertEquals( session.createQuery( "FROM B" ).list().size(), 0 );
+
+		session.getTransaction().commit();
+		session.close();
 	}
 
 }

hibernate-core/src/test/java/org/hibernate/test/proxy/narrow/ProxyNarrowingTest.java

@@ -54,9 +54,11 @@ public class ProxyNarrowingTest extends BaseCoreFunctionalTestCase {
 		session = openSession();
 
 		try {
+			session.beginTransaction();
+
 			// load a proxified version of the entity into the session: the proxy is based on the AbstractEntity class
 			// as the reference class property is of type AbstractEntity.
-			LazyAbstractEntityReference reference = (LazyAbstractEntityReference) session.get( LazyAbstractEntityReference.class, entityReferenceId );
+			LazyAbstractEntityReference reference = session.get( LazyAbstractEntityReference.class, entityReferenceId );
 			AbstractEntity abstractEntityProxy = reference.getEntity();
 
 			assertTrue( ( abstractEntityProxy instanceof HibernateProxy ) && !Hibernate.isInitialized( abstractEntityProxy ) );
@@ -64,11 +66,18 @@ public class ProxyNarrowingTest extends BaseCoreFunctionalTestCase {
 			assertTrue( Hibernate.isInitialized( abstractEntityProxy ) );
 
 			// load the concrete class via session.load to trigger the StatefulPersistenceContext.narrowProxy code
-			ConcreteEntity concreteEntityProxy = (ConcreteEntity) session.load( ConcreteEntity.class, abstractEntityProxy.getId() );
+			ConcreteEntity concreteEntityProxy = session.load( ConcreteEntity.class, abstractEntityProxy.getId() );
 
 			// the new proxy created should be initialized
 			assertTrue( Hibernate.isInitialized( concreteEntityProxy ) );
 			assertTrue( session.contains( concreteEntityProxy ) );
+
+
+			// clean up
+			session.delete( reference );
+			session.delete( concreteEntityProxy );
+
+			session.getTransaction().commit();
 		}
 		finally {
 			session.close();

hibernate-core/src/test/java/org/hibernate/test/quote/QuoteTest.java

@@ -38,8 +38,11 @@ public class QuoteTest extends BaseNonConfigCoreFunctionalTestCase {
 	
 	@Test
 	public void testQuoteManytoMany() {
+		String role = User.class.getName() + ".roles";
+		assertEquals( "User_Role", metadata().getCollectionBinding( role ).getCollectionTable().getName() );
+
 		Session s = openSession();
-		Transaction tx = s.beginTransaction();
+		s.beginTransaction();
 		User u = new User();
 		s.persist( u );
 		Role r = new Role();
@@ -47,11 +50,9 @@ public class QuoteTest extends BaseNonConfigCoreFunctionalTestCase {
 		u.getRoles().add( r );
 		s.flush();
 		s.clear();
-		u = (User) s.get( User.class, u.getId() );
+		u = s.get( User.class, u.getId() );
 		assertEquals( 1, u.getRoles().size() );
-		tx.rollback();
-		String role = User.class.getName() + ".roles";
-		assertEquals( "User_Role", metadata().getCollectionBinding( role ).getCollectionTable().getName() );
+		s.getTransaction().rollback();
 		s.close();
 	}
 	
@@ -66,11 +67,11 @@ public class QuoteTest extends BaseNonConfigCoreFunctionalTestCase {
 		s.persist( house );
 		s.persist( user );
 		s.getTransaction().commit();
-		s.clear();
+		s.close();
 		
 		s = openSession();
 		s.getTransaction().begin();
-		user = (User) s.get( User.class, user.getId() );
+		user = s.get( User.class, user.getId() );
 		assertNotNull( user );
 		assertNotNull( user.getHouse() );
 		// seems trivial, but if quoting normalization worked on the join column, these should all be the same
@@ -98,12 +99,28 @@ public class QuoteTest extends BaseNonConfigCoreFunctionalTestCase {
 		s.persist( container2 );
 		s.persist( container1 );
 		s.getTransaction().commit();
-		s.clear();
-		
-		Container result = (Container) s.get( Container.class, container1.id );
+		s.close();
+
+		s = openSession();
+		s.beginTransaction();
+		Container result = s.get( Container.class, container1.id );
 		assertNotNull( result );
 		assertNotNull( result.items );
 		assertEquals( 2, result.items.size() );
+		s.getTransaction().commit();
+		s.close();
+
+		s = openSession();
+		s.beginTransaction();
+		container1 = s.get( Container.class, container1.id );
+		for ( Item item : container1.items ) {
+			item.parent = null;
+		}
+		container1.items.clear();
+		s.flush();
+		s.createQuery( "delete Item" ).executeUpdate();
+		s.getTransaction().commit();
+		s.close();
 	}
 
 	@Override
@@ -118,7 +135,7 @@ public class QuoteTest extends BaseNonConfigCoreFunctionalTestCase {
 		};
 	}
 	
-	@Entity
+	@Entity( name = "Item" )
 	@Inheritance(strategy = InheritanceType.TABLE_PER_CLASS)
 	private static abstract class Item {
 

hibernate-core/src/test/java/org/hibernate/test/subselect/CompositeIdTypeBindingTest.java

@@ -9,7 +9,7 @@ package org.hibernate.test.subselect;
 import java.util.ArrayList;
 import java.util.List;
 
-import junit.framework.Assert;
+import org.junit.Assert;
 
 import org.hibernate.Session;
 import org.hibernate.dialect.H2Dialect;
@@ -37,6 +37,8 @@ public class CompositeIdTypeBindingTest extends BaseCoreFunctionalTestCase {
 
 	@Test
 	public void testCompositeTypeBinding() {
+		// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+		// prepare test data
 		Session session = openSession();
 		session.beginTransaction();
 
@@ -45,18 +47,18 @@ public class CompositeIdTypeBindingTest extends BaseCoreFunctionalTestCase {
 		employeegroup.addEmployee( new Employee( "david" ) );
 		session.save( employeegroup );
 
-
 		employeegroup = new EmployeeGroup( new EmployeeGroupId( "c", "d" ) );
 		employeegroup.addEmployee( new Employee( "gail" ) );
 		employeegroup.addEmployee( new Employee( "steve" ) );
 		session.save( employeegroup );
 
-
 		session.getTransaction().commit();
-
 		session.close();
 
+		// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+		// Perform the test
 		session = openSession();
+		session.beginTransaction();
 
 		List<EmployeeGroupId> parameters = new ArrayList<EmployeeGroupId>();
 		parameters.add( new EmployeeGroupId( "a", "b" ) );
@@ -73,6 +75,22 @@ public class CompositeIdTypeBindingTest extends BaseCoreFunctionalTestCase {
 		Assert.assertEquals( "a", employeegroup.getId().getGroupName() );
 		Assert.assertNotNull( employeegroup.getEmployees() );
 		Assert.assertEquals( 2, employeegroup.getEmployees().size() );
+		session.getTransaction().commit();
+		session.close();
+
+
+		// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+		// clean up test data
+		session = openSession();
+		session.beginTransaction();
+		List<EmployeeGroup> egs = session.createQuery( "from EmployeeGroup" ).list();
+		for ( EmployeeGroup eg : egs ) {
+			eg.getEmployees().clear();
+		}
+		session.flush();
+		session.createQuery( "delete from EmployeeGroup" ).executeUpdate();
+		session.createQuery( "delete from Employee" ).executeUpdate();
+		session.getTransaction().commit();
 		session.close();
 	}
 }

hibernate-testing/src/main/java/org/hibernate/testing/DialectChecks.java

@@ -158,4 +158,11 @@ abstract public class DialectChecks {
 			return dialect.supportsLockTimeouts();
 		}
 	}
+
+	public static class DoubleQuoteQuoting implements DialectCheck {
+		@Override
+		public boolean isMatch(Dialect dialect) {
+			return '\"' == dialect.openQuote() && '\"' == dialect.closeQuote();
+		}
+	}
 }

working-5.0-migration-guide.md

@@ -33,6 +33,8 @@ Working list of changes for 5.0
 * Valid `hibernate.cache.default_cache_concurrency_strategy` setting values are now defined via
     `org.hibernate.cache.spi.access.AccessType#getExternalName` rather than the `org.hibernate.cache.spi.access.AccessType`
     enum names; this is more consistent with other Hibernate settings
+* For ids defined as UUID with generation, for some databases it is required to explicitly set the `@Column( length=16 )`
+    in order to generate BINARY(16) so that comparisons properly work.
 
 TODOs
 =====