Adding failing test for DDC-2214

Parameters being bound to an SQL query should have the same type as
the identifier of the objects being bound to the placeholders of a
DQL query - this is currently broken with proxies, as this test
demonstrates.

tests/Doctrine/Tests/ORM/Functional/Ticket/DDC2214Test.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace Doctrine\Tests\ORM\Functional\Ticket;
+
+/**
+ * Verifies that the type of parameters being bound to an SQL query is the same
+ * of the identifier of the entities used as parameters in the DQL query, even
+ * if the bound objects are proxies.
+ *
+ * @author Marco Pivetta <ocramius@gmail.com>
+ *
+ * @group DDC-2214
+ */
+class DDC2214Test extends \Doctrine\Tests\OrmFunctionalTestCase
+{
+    protected function setUp()
+    {
+        parent::setUp();
+
+        $this->_schemaTool->createSchema(array(
+            $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC2214Foo'),
+            $this->_em->getClassMetadata(__NAMESPACE__ . '\DDC2214Bar'),
+        ));
+    }
+
+    public function testIssue()
+    {
+        $foo = new DDC2214Foo();
+        $bar = new DDC2214Bar();
+
+        $foo->bar = $bar;
+
+        $this->_em->persist($foo);
+        $this->_em->persist($bar);
+        $this->_em->flush();
+        $this->_em->clear();
+
+        /* @var $foo \Doctrine\Tests\ORM\Functional\Ticket\DDC2214Foo */
+        $foo = $this->_em->find(__NAMESPACE__ . '\\DDC2214Foo', $foo->id);
+        $bar = $foo->bar;
+
+        $logger  = $this->_em->getConnection()->getConfiguration()->getSQLLogger();
+
+        $related = $this
+            ->_em
+            ->createQuery('SELECT b FROM '.__NAMESPACE__ . '\DDC2214Bar b WHERE b.id IN(:ids)')
+            ->setParameter('ids', array($bar))
+            ->getResult();
+
+        $query = end($logger->queries);
+
+        $this->assertEquals(\Doctrine\DBAL\Connection::PARAM_INT_ARRAY, $query['types'][0]);
+    }
+}
+
+/** @Entity */
+class DDC2214Foo
+{
+    /** @Id @Column(type="integer") @GeneratedValue(strategy="AUTO") */
+    public $id;
+
+    /** @ManyToOne(targetEntity="DDC2214Bar") */
+    public $bar;
+}
+
+/** @Entity */
+class DDC2214Bar
+{
+    /** @Id @Column(type="integer") @GeneratedValue(strategy="AUTO") */
+    public $id;
+}