diff --git a/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC493Test.php b/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC493Test.php
new file mode 100644
index 000000000..5503d033e
--- /dev/null
+++ b/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC493Test.php
@@ -0,0 +1,69 @@
+<?php
+namespace Doctrine\Tests\ORM\Functional\Ticket;
+
+require_once __DIR__ . '/../../../TestInit.php';
+
+class DDC493Test extends \Doctrine\Tests\OrmFunctionalTestCase
+{
+    protected function setUp()
+    {
+        parent::setUp();
+        $this->_schemaTool->createSchema(array(
+            $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC493Customer'),
+            $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC493Distributor'),
+            $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC493Contact')
+        ));
+    }
+
+    public function testIssue()
+    {
+        $q = $this->_em->createQuery("select u, u.contact.data from ".__NAMESPACE__."\\DDC493Distributor u");
+        $this->assertEquals('SELECT d0_.id AS id0, d1_.data AS data1, d0_.discr AS discr2, d0_.contact AS contact3 FROM DDC493Distributor d2_ INNER JOIN DDC493Customer d0_ ON d2_.id = d0_.id INNER JOIN DDC493Contact d1_ ON d0_.contact = d1_.id', $q->getSQL());
+    }
+}
+
+/**
+ * @Entity
+ * @InheritanceType("JOINED")
+ * @DiscriminatorColumn(name="discr", type="string")
+ * @DiscriminatorMap({"distributor" = "DDC493Distributor", "customer" = "DDC493Customer"})
+ */
+class DDC493Customer {
+    /**
+     * @Id
+     * @Column(type="integer")
+     * @GeneratedValue(strategy="AUTO")
+     */
+    public $id;
+    /**
+     * @OneToOne(targetEntity="DDC493Contact", cascade={"remove","persist"})
+     * @JoinColumn(name="contact", referencedColumnName="id")
+     */
+    public $contact;
+
+}
+
+/**
+ * @Entity
+ */
+class DDC493Distributor extends DDC493Customer {
+}
+
+/**
+ * @Entity
+  */
+class DDC493Contact
+{
+    /**
+     * @Id
+     * @Column(type="integer")
+     * @GeneratedValue(strategy="AUTO")
+     */
+    public $id;
+    /** @Column(type="string") */
+    public $data;
+}
+
+
+
+
diff --git a/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC513Test.php b/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC513Test.php
index b7cee97cf..125f297db 100644
--- a/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC513Test.php
+++ b/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC513Test.php
@@ -17,14 +17,6 @@ class DDC513Test extends \Doctrine\Tests\OrmFunctionalTestCase
 
     public function testIssue()
     {
-        $item = new DDC513OfferItem();
-        $this->_em->persist($item);
-        $this->_em->flush();
-
-        //$q = $this->_em->createQuery("select u from ".__NAMESPACE__."\\DDC513Item u left join u.price p");
-        //$this->assertEquals('SELECT d0_.id AS id0, d0_.discr AS discr1, d0_.price AS price2 FROM DDC513Item d0_ LEFT JOIN DDC513OfferItem d1_ ON d0_.id = d1_.id LEFT JOIN DDC513Price d2_ ON d0_.price = d2_.id', $q->getSQL());
-        
-        /* THIS QUERY CAUSE EXCEPTION */
         $q = $this->_em->createQuery("select u from ".__NAMESPACE__."\\DDC513OfferItem u left join u.price p");
         $this->assertEquals('SELECT d0_.id AS id0, d0_.discr AS discr1, d0_.price AS price2 FROM DDC513OfferItem d1_ INNER JOIN DDC513Item d0_ ON d1_.id = d0_.id LEFT JOIN DDC513Price d2_ ON d0_.price = d2_.id', $q->getSQL());
     }