--- /dev/null
+<?php
+
+namespace Doctrine\Tests\ORM\Functional\Ticket;
+
+use Doctrine\Common\Collections\ArrayCollection;
+
+require_once __DIR__ . '/../../../TestInit.php';
+
+/**
+ * @group DDC-1113
+ * @group DDC-1306
+ */
+class DDC1113Test extends \Doctrine\Tests\OrmFunctionalTestCase
+{
+
+ public function setUp()
+ {
+ parent::setUp();
+ try {
+ $this->_schemaTool->createSchema(array(
+ $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC1113Engine'),
+ $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC1113Vehicle'),
+ $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC1113Car'),
+ $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC1113Bus'),
+ ));
+ } catch (\Exception $e) {
+
+ }
+ }
+
+ public function testIssue()
+ {
+ $car = new DDC1113Car();
+ $car->engine = new DDC1113Engine();
+
+ $bus = new DDC1113Bus();
+ $bus->engine = new DDC1113Engine();
+
+ $this->_em->persist($car);
+ $this->_em->flush();
+
+ $this->_em->persist($bus);
+ $this->_em->flush();
+
+ $this->_em->remove($bus);
+ $this->_em->remove($car);
+ $this->_em->flush();
+ }
+
+}
+
+/**
+ * @Entity
+ * @InheritanceType("SINGLE_TABLE")
+ * @DiscriminatorMap({"car" = "DDC1113Car", "bus" = "DDC1113Bus"})
+ */
+class DDC1113Vehicle
+{
+
+ /** @Id @GeneratedValue @Column(type="integer") */
+ public $id;
+
+ /**
+ * @ManyToOne(targetEntity="DDC1113Vehicle")
+ */
+ public $parent;
+
+ /** @OneToOne(targetEntity="DDC1113Engine", cascade={"persist", "remove"}) */
+ public $engine;
+
+}
+
+/**
+ * @Entity
+ */
+class DDC1113Car extends DDC1113Vehicle
+{
+
+}
+
+/**
+ * @Entity
+ */
+class DDC1113Bus extends DDC1113Vehicle
+{
+
+}
+
+/**
+ * @Entity
+ */
+class DDC1113Engine
+{
+
+ /** @Id @GeneratedValue @Column(type="integer") */
+ public $id;
+
+}
+