diff --git a/lib/Doctrine/ORM/Persisters/JoinedSubclassPersister.php b/lib/Doctrine/ORM/Persisters/JoinedSubclassPersister.php
index 431b237a6..e9d214311 100644
--- a/lib/Doctrine/ORM/Persisters/JoinedSubclassPersister.php
+++ b/lib/Doctrine/ORM/Persisters/JoinedSubclassPersister.php
@@ -468,7 +468,8 @@ class JoinedSubclassPersister extends AbstractEntityInheritancePersister
                 }
             } else if ($this->_class->name != $this->_class->rootEntityName ||
                     ! $this->_class->isIdGeneratorIdentity() || $this->_class->identifier[0] != $name) {
-                $columns[] = $this->quoteStrategy->getColumnName($name, $this->_class, $this->_platform);
+                $columns[]                  = $this->quoteStrategy->getColumnName($name, $this->_class, $this->_platform);
+                $this->_columnTypes[$name]  = $this->_class->fieldMappings[$name]['type'];
             }
         }
 
diff --git a/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC2012Test.php b/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC2012Test.php
new file mode 100755
index 000000000..eca15cea3
--- /dev/null
+++ b/tests/Doctrine/Tests/ORM/Functional/Ticket/DDC2012Test.php
@@ -0,0 +1,177 @@
+<?php
+
+namespace Doctrine\Tests\ORM\Functional\Ticket;
+
+require_once __DIR__ . '/../../../TestInit.php';
+
+use Doctrine\DBAL\Types\Type;
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+
+/**
+ * @group DDC-2012
+ */
+class DDC2012Test extends \Doctrine\Tests\OrmFunctionalTestCase
+{
+    protected function setUp()
+    {
+        parent::setUp();
+
+        Type::addType(DDC2012TsVectorType::MYTYPE, __NAMESPACE__ . '\DDC2012TsVectorType');
+
+        DDC2012TsVectorType::$calls = array();
+
+        $this->_schemaTool->createSchema(array(
+            $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC2012Item'),
+            $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC2012ItemPerson'),
+        ));
+    }
+
+    public function testIssue()
+    {
+        $item       = new DDC2012ItemPerson();
+        $item->tsv  = array('word1', 'word2', 'word3');
+
+        $this->_em->persist($item);
+        $this->_em->flush();
+        $this->_em->clear();
+
+        $item = $this->_em->find(get_class($item), $item->id);
+
+        $this->assertArrayHasKey('convertToDatabaseValueSQL', DDC2012TsVectorType::$calls);
+        $this->assertArrayHasKey('convertToDatabaseValue', DDC2012TsVectorType::$calls);
+        $this->assertArrayHasKey('convertToPHPValue', DDC2012TsVectorType::$calls);
+
+        $this->assertCount(1, DDC2012TsVectorType::$calls['convertToDatabaseValueSQL']);
+        $this->assertCount(1, DDC2012TsVectorType::$calls['convertToDatabaseValue']);
+        $this->assertCount(1, DDC2012TsVectorType::$calls['convertToPHPValue']);
+
+        $this->assertInstanceOf(__NAMESPACE__ . '\DDC2012Item', $item);
+        $this->assertEquals(array('word1', 'word2', 'word3'), $item->tsv);
+
+
+        $item->tsv = array('word1', 'word2');
+
+        $this->_em->persist($item);
+        $this->_em->flush();
+        $this->_em->clear();
+
+        $item = $this->_em->find(get_class($item), $item->id);
+
+        $this->assertCount(2, DDC2012TsVectorType::$calls['convertToDatabaseValueSQL']);
+        $this->assertCount(2, DDC2012TsVectorType::$calls['convertToDatabaseValue']);
+        $this->assertCount(2, DDC2012TsVectorType::$calls['convertToPHPValue']);
+
+        $this->assertInstanceOf(__NAMESPACE__ . '\DDC2012Item', $item);
+        $this->assertEquals(array('word1', 'word2'), $item->tsv);
+    }
+}
+
+/**
+ * @Table(name="ddc2010_item")
+ * @Entity
+ * @InheritanceType("JOINED")
+ * @DiscriminatorColumn(name="type_id", type="smallint")
+ * @DiscriminatorMap({
+ *      1 = "DDC2012ItemPerson"
+ * })
+ */
+class DDC2012Item
+{
+    /**
+     * @Id
+     * @GeneratedValue
+     * @Column(type="integer")
+     */
+    public $id;
+
+    /**
+     * @Column(name="tsv", type="tsvector", nullable=true)
+     */
+    public $tsv;
+}
+
+/**
+ * @Table(name="ddc2010_item_person")
+ * @Entity
+ */
+class DDC2012ItemPerson extends DDC2012Item
+{
+
+}
+
+class DDC2012TsVectorType extends Type
+{
+    const MYTYPE = 'tsvector';
+
+    public static $calls = array();
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getSQLDeclaration(array $fieldDeclaration, AbstractPlatform $platform)
+    {
+        return $platform->getVarcharTypeDeclarationSQL($fieldDeclaration);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function convertToDatabaseValue($value, AbstractPlatform $platform)
+    {
+        if (is_array($value)) {
+            $value = implode(" ", $value);
+        }
+
+        self::$calls[__FUNCTION__][] = array(
+            'value'     => $value,
+            'platform'  => $platform,
+        );
+
+        return $value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function convertToPHPValue($value, AbstractPlatform $platform)
+    {
+        self::$calls[__FUNCTION__][] = array(
+            'value'     => $value,
+            'platform'  => $platform,
+        );
+
+        return explode(" ", strtolower($value));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function convertToDatabaseValueSQL($sqlExpr, AbstractPlatform $platform)
+    {
+        self::$calls[__FUNCTION__][] = array(
+            'sqlExpr'   => $sqlExpr,
+            'platform'  => $platform,
+        );
+
+        // changed to upper expression to keep the test compatible with other Databases
+        //sprintf('to_tsvector(%s)', $sqlExpr);
+        
+        return $platform->getUpperExpression($sqlExpr);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function canRequireSQLConversion()
+    {
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return self::MYTYPE;
+    }
+}
\ No newline at end of file