Merge branch 'DBAL-80' into 2.0.x

lib/Doctrine/DBAL/Connection.php

@@ -1007,7 +1007,7 @@ class Connection implements DriverConnection
         // Check whether parameters are positional or named. Mixing is not allowed, just like in PDO.
         if (is_int(key($params))) {
             // Positional parameters
-            $typeOffset = isset($types[0]) ? -1 : 0;
+            $typeOffset = array_key_exists(0, $types) ? -1 : 0;
             $bindIndex = 1;
             foreach ($params as $position => $value) {
                 $typeIndex = $bindIndex + $typeOffset;

tests/Doctrine/Tests/DBAL/Functional/WriteTest.php

@@ -2,6 +2,7 @@
 
 namespace Doctrine\Tests\DBAL\Functional;
 use Doctrine\DBAL\Types\Type;
+use PDO;
 
 require_once __DIR__ . '/../../TestInit.php';
 
@@ -25,6 +26,18 @@ class WriteTest extends \Doctrine\Tests\DbalFunctionalTestCase
         $this->_conn->executeUpdate('DELETE FROM write_table');
     }
 
+    /**
+     * @group DBAL-80
+     */
+    public function testExecuteUpdateFirstTypeIsNull()
+    {
+        $sql = "INSERT INTO write_table (test_string, test_int) VALUES (?, ?)";
+        $this->_conn->executeUpdate($sql, array("text", 1111), array(null, PDO::PARAM_INT));
+
+        $sql = "SELECT * FROM write_table WHERE test_string = ? AND test_int = ?";
+        $this->assertTrue((bool)$this->_conn->fetchColumn($sql, array("text", 1111)));
+    }
+
     public function testExecuteUpdate()
     {
         $sql = "INSERT INTO write_table (test_int) VALUES ( " . $this->_conn->quote(1) . ")";