diff --git a/lib/Doctrine/Connection/Mysql.php b/lib/Doctrine/Connection/Mysql.php
index 3040d86c4..353ad8691 100644
--- a/lib/Doctrine/Connection/Mysql.php
+++ b/lib/Doctrine/Connection/Mysql.php
@@ -33,7 +33,9 @@ class Doctrine_Connection_Mysql extends Doctrine_Connection_Common {
     protected $driverName = 'Mysql';
     /**
      * the constructor
-     * @param PDO $pdo  -- database handle
+     *
+     * @param Doctrine_Manager $manager
+     * @param PDO $pdo                          database handle
      */
     public function __construct(Doctrine_Manager $manager,PDO $pdo) {
         $pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, true);
diff --git a/lib/Doctrine/Connection/Oracle.php b/lib/Doctrine/Connection/Oracle.php
index ef9d007e6..2369760c3 100644
--- a/lib/Doctrine/Connection/Oracle.php
+++ b/lib/Doctrine/Connection/Oracle.php
@@ -33,7 +33,7 @@ class Doctrine_Connection_Oracle extends Doctrine_Connection {
     protected $driverName = 'Oracle';
     
     
-    public function __construct() {
+    public function __construct(Doctrine_Manager $manager, PDO $pdo) {
         $this->supported = array(
                           'sequences'            => true,
                           'indexes'              => true,
@@ -62,6 +62,8 @@ class Doctrine_Connection_Oracle extends Doctrine_Connection {
         $this->options['default_tablespace'] = false;
         $this->options['default_text_field_length'] = 2000;
         $this->options['result_prefetching'] = false;
+        
+        parent::__construct($manager, $pdo);
     }
     /**
      * Adds an driver-specific LIMIT clause to the query
diff --git a/lib/Doctrine/Connection/Sqlite.php b/lib/Doctrine/Connection/Sqlite.php
index 98f0c32fd..0c3423760 100644
--- a/lib/Doctrine/Connection/Sqlite.php
+++ b/lib/Doctrine/Connection/Sqlite.php
@@ -32,6 +32,43 @@ class Doctrine_Connection_Sqlite extends Doctrine_Connection_Common {
      * @var string $driverName                  the name of this connection driver
      */
     protected $driverName = 'Sqlite';
+    /**
+     * the constructor
+     *
+     * @param Doctrine_Manager $manager
+     * @param PDO $pdo                          database handle
+     */
+    public function __construct(Doctrine_Manager $manager, PDO $pdo) {
+        
+        $this->supported = array(
+                          'sequences'            => 'emulated',
+                          'indexes'              => true,
+                          'affected_rows'        => true,
+                          'summary_functions'    => true,
+                          'order_by_text'        => true,
+                          'current_id'           => 'emulated',
+                          'limit_queries'        => true,
+                          'LOBs'                 => true,
+                          'replace'              => true,
+                          'transactions'         => true,
+                          'savepoints'           => false,
+                          'sub_selects'          => true,
+                          'auto_increment'       => true,
+                          'primary_key'          => true,
+                          'result_introspection' => false, // not implemented
+                          'prepared_statements'  => 'emulated',
+                          'identifier_quoting'   => true,
+                          'pattern_escaping'     => false,
+                          );
+
+        $this->options['base_transaction_name'] = '___php_MDB2_sqlite_auto_commit_off';
+        $this->options['fixed_float'] = 0;
+        $this->options['database_path'] = '';
+        $this->options['database_extension'] = '';
+        $this->options['server_version'] = '';
+
+        parent::__construct($manager, $pdo);
+    }
     /**
      * Set the transacton isolation level.
      *
@@ -42,7 +79,7 @@ class Doctrine_Connection_Sqlite extends Doctrine_Connection_Common {
      *                  SERIALIZABLE (prevents phantom reads)
      * @return void
      */
-    function setTransactionIsolation($isolation) {
+    public function setTransactionIsolation($isolation) {
         switch ($isolation) {
             case 'READ UNCOMMITTED':
                 $isolation = 0;