diff -r 000000000000 -r 7f95f8617b0b vendor/doctrine/lib/Doctrine/ORM/Internal/Hydration/SingleScalarHydrator.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/doctrine/lib/Doctrine/ORM/Internal/Hydration/SingleScalarHydrator.php	Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,49 @@
+<?php
+/*
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This software consists of voluntary contributions made by many individuals
+ * and is licensed under the LGPL. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\ORM\Internal\Hydration;
+
+use Doctrine\DBAL\Connection;
+
+/**
+ * Hydrator that hydrates a single scalar value from the result set.
+ *
+ * @author Roman Borschel <roman@code-factory.org>
+ * @since 2.0
+ */
+class SingleScalarHydrator extends AbstractHydrator
+{
+    /** @override */
+    protected function _hydrateAll()
+    {
+        $cache = array();
+        $result = $this->_stmt->fetchAll(\PDO::FETCH_ASSOC);
+        $num = count($result);
+
+        if ($num == 0) {
+            throw new \Doctrine\ORM\NoResultException;
+        } else if ($num > 1 || count($result[key($result)]) > 1) {
+            throw new \Doctrine\ORM\NonUniqueResultException;
+        }
+        
+        $result = $this->_gatherScalarRowData($result[key($result)], $cache);
+        
+        return array_shift($result);
+    }
+}
\ No newline at end of file