HHH-6580 - Discriminator value used as ID when inserting entity to PosgtreSQL

hibernate-core/src/matrix/java/org/hibernate/test/inheritancediscriminator/InheritingEntity.java

@@ -33,6 +33,12 @@ import javax.persistence.Entity;
 @Entity
 @DiscriminatorValue("1")
 public class InheritingEntity extends ParentEntity {
+	public InheritingEntity() {
+	}
+
+	public InheritingEntity(String someValue) {
+		this.someValue = someValue;
+	}
 
 	@Column(name = "dupa")
 	private String someValue;

hibernate-core/src/matrix/java/org/hibernate/test/inheritancediscriminator/PersistChildEntitiesWithDiscriminatorTest.java

@@ -44,15 +44,16 @@ public class PersistChildEntitiesWithDiscriminatorTest extends BaseCoreFunctiona
 	public void doIt() {
 		Session session = openSession();
 		session.beginTransaction();
-		InheritingEntity child = new InheritingEntity();
-		child.setSomeValue("blabla");
-		session.save(child);
+		// we need the 2 inserts so that the id is incremented on the second get-generated-keys-result set, since
+		// on the first insert both the pk and the discriminator values are 1
+		session.save( new InheritingEntity( "yabba" ) );
+		session.save( new InheritingEntity( "dabba" ) );
 		session.getTransaction().commit();
 		session.close();
 
 		session = openSession();
 		session.beginTransaction();
-		session.delete( child );
+		session.createQuery( "delete ParentEntity" ).executeUpdate();
 		session.getTransaction().commit();
 		session.close();
 	}