database.local.config.php

<?php

$dbParams = array(
    'database'  => 'changeme',
    'username'  => 'changeme',
    'password'  => 'changeme',
    'hostname'  => 'changeme',
);

/**
 * No need to edit below this line 
 */
return array(
    'service_manager' => array(
        'factories' => array(
            'Zend\Db\Adapter\Adapter' => function ($sm) use ($dbParams) {
                $adapter = new Zend\Db\Adapter\Adapter(array(
                    'driver'    => 'pdo',
                    'dsn'       => 'mysql:dbname='.$dbParams['database'].';host='.$dbParams['hostname'],
                    'database'  => $dbParams['database'],
                    'username'  => $dbParams['username'],
                    'password'  => $dbParams['password'],
                    'hostname'  => $dbParams['hostname'],
                ));
                $adapter->getDriver()->registerResultPrototype(
                    new Zend\Db\Adapter\Driver\Pdo\ScrollableResult
                );
                return $adapter;
            },
        ),
    ),
);

ScrollableResult

<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 * @package   Zend_Db
 */

namespace Zend\Db\Adapter\Driver\Pdo;

/**
 * @category   Zend
 * @package    Zend_Db
 * @subpackage Adapter
 */
class ScrollableResult extends Result
{

    /**
     *
     * @var string
     */
    protected $statementMode = self::STATEMENT_MODE_SCROLLABLE;

}