Index: DbSelect.php
===================================================================
--- DbSelect.php	(revision 16541)
+++ DbSelect.php	(working copy)
@@ -40,7 +40,7 @@
  * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
  * @license    http://framework.zend.com/license/new-bsd     New BSD License
  */
-class Zend_Paginator_Adapter_DbSelect implements Zend_Paginator_Adapter_Interface
+class Zend_Paginator_Adapter_DbSelect implements Zend_Paginator_Adapter_Interface, Serializable
 {
     /**
      * Name of the row count column
@@ -70,6 +70,12 @@
      */
     protected $_rowCount = null;
 
+    public function serialize()
+    {
+        return (string)$this->_select;
+    }
+    
+    public function unserialize($serialized) { }
     /**
      * Constructor.
      *