Fix a bunch of MSSQL issues to get the testsuite running again

lib/Doctrine/DBAL/Platforms/MsSqlPlatform.php

@@ -37,6 +37,33 @@ use Doctrine\DBAL\Schema\Index,
  */
 class MsSqlPlatform extends AbstractPlatform
 {
+    /**
+     * {@inheritDoc}
+     */
+    public function getDateDiffExpression($date1, $date2)    
+    {
+        return 'DATEDIFF(day, ' . $date2 . ',' . $date1 . ')';
+    }
+    
+    public function getDateAddDaysExpression($date, $days)
+    {
+        return 'DATEADD(day, ' . $days . ', ' . $date . ')';
+    }
+    
+    public function getDateSubDaysExpression($date, $days)
+    {
+        return 'DATEADD(day, -1 * ' . $days . ', ' . $date . ')';
+    }
+    
+    public function getDateAddMonthExpression($date, $months)
+    {
+        return 'DATEADD(month, ' . $months . ', ' . $date . ')';
+    }
+    
+    public function getDateSubMonthExpression($date, $months)
+    {
+        return 'DATEADD(month, -1 * ' . $months . ', ' . $date . ')';
+    }
 
     /**
      * Whether the platform prefers identity columns for ID generation.
@@ -794,4 +821,9 @@ class MsSqlPlatform extends AbstractPlatform
     {
         return "[" . str_replace("]", "][", $str) . "]";
     }
+    
+    public function getTruncateTableSQL($tableName, $cascade = false)
+    {
+        return 'TRUNCATE TABLE '.$tableName;
+    }
 }

lib/Doctrine/DBAL/Schema/MsSqlSchemaManager.php

@@ -169,4 +169,28 @@ class MsSqlSchemaManager extends AbstractSchemaManager
         return new View($view['name'], null);
     }
 
+    /**
+     * List the indexes for a given table returning an array of Index instances.
+     *
+     * Keys of the portable indexes list are all lower-cased.
+     *
+     * @param string $table The name of the table
+     * @return Index[] $tableIndexes
+     */
+    public function listTableIndexes($table)
+    {
+        $sql = $this->_platform->getListTableIndexesSQL($table, $this->_conn->getDatabase());
+
+        try {
+            $tableIndexes = $this->_conn->fetchAll($sql);
+        } catch(\PDOException $e) {
+            if ($e->getCode() == "IMSSP") {
+                return array();
+            } else {
+                throw $e;
+            }
+        }
+
+        return $this->_getPortableTableIndexesList($tableIndexes, $table);
+    }
 }
\ No newline at end of file

tests/Doctrine/Tests/TestUtil.php

@@ -70,29 +70,25 @@ class TestUtil
             } else {
                 $sm = $realConn->getSchemaManager();
 
-                $tableNames = $sm->listTableNames();
-                
-                foreach ($tableNames AS $tableName) {
-                    $sm->dropTable($tableName);
-                }
-            }
+                /* @var $schema Schema */
+                $schema = $sm->createSchema();
+                $stmts = $schema->toDropSql($realConn->getDatabasePlatform());
 
-            $eventManager = null;
-            if (isset($GLOBALS['db_event_subscribers'])) {
-                $eventManager = new \Doctrine\Common\EventManager();
-                foreach (explode(",", $GLOBALS['db_event_subscribers']) AS $subscriberClass) {
-                    $subscriberInstance = new $subscriberClass();
-                    $eventManager->addEventSubscriber($subscriberInstance);
+                foreach ($stmts AS $stmt) {
+                    $realConn->exec($stmt);
                 }
             }
 
-            $conn = \Doctrine\DBAL\DriverManager::getConnection($realDbParams, null, $eventManager);
-
+            $conn = \Doctrine\DBAL\DriverManager::getConnection($realDbParams, null, null);
         } else {
             $params = array(
                 'driver' => 'pdo_sqlite',
                 'memory' => true
             );
+            if (isset($GLOBALS['db_path'])) {
+                $params['path'] = $GLOBALS['db_path'];
+                unlink($GLOBALS['db_path']);
+            }
             $conn = \Doctrine\DBAL\DriverManager::getConnection($params);
         }