Conexão banco de dados Zend Framework 1 direto no Bootstrap.php

gistfile1.php

		$db = new Zend_Db_Adapter_Pdo_Mysql(array(
		    'host'     => '127.0.0.1',
		    'username' => 'root',
		    'password' => '',
		    'dbname'   => 'database_name'
		));
		
//		$db = Zend_Db::factory($config->db->adapter, $config->db->config->toArray());
		Zend_Db_Table_Abstract::setDefaultAdapter($db);
		$db->setFetchMode(Zend_Db::FETCH_OBJ);
		Zend_Registry::set('db',$db);