added hydration mode HYDRATE_NONE

lib/Doctrine.php

@@ -360,6 +360,11 @@ final class Doctrine
      */
     const HYDRATE_ARRAY             = 3;
     
+    /**
+     * HYDRATE_NONE
+     */
+    const HYDRATE_NONE              = 4;
+
     /**
      * VALIDATION CONSTANTS
      */

lib/Doctrine/Hydrate.php

@@ -1024,6 +1024,9 @@ class Doctrine_Hydrate extends Doctrine_Locator_Injectable implements Serializab
      */
     public function parseData2($stmt, $hydrationMode)
     {
+        if ($hydrationMode == Doctrine::HYDRATE_NONE) {
+            return $stmt->fetchAll(PDO::FETCH_NUM);
+        }
         
         $cache = array();
         $rootMap   = reset($this->_aliasMap);

tests/Hydrate/FetchModeTestCase.php

@@ -160,4 +160,17 @@ class Doctrine_Hydrate_FetchMode_TestCase extends Doctrine_UnitTestCase
         $users = $q->execute(array($u->id), Doctrine::HYDRATE_ARRAY);
         $this->assertEqual($users[0]['created'], null);
     }
+    
+    public function testHydrateNone()
+    {
+        $u = new User();
+        $u->name = "fetch_array_test";
+        $u->created = null;
+        $u->save();
+  
+        $q = new Doctrine_Query();
+        $q->select('COUNT(u.id) num')->from('User u')->where('u.id = ?');
+        $res = $q->execute(array($u->id), Doctrine::HYDRATE_NONE);
+        $this->assertEqual(1, $res[0][0]);
+    }
 }

tests/RecordTestCase.php

@@ -240,6 +240,7 @@ class Doctrine_Record_TestCase extends Doctrine_UnitTestCase
         $this->connection->clear();
 
         $user = $this->connection->getTable('User')->find(5);
+
         $this->assertEqual($user->name, null);
 
     }