include/basis_db.class.php

@@ -4,6 +4,7 @@ require_once('basis.class.php');
 abstract class db extends basis
 {
 	protected static $db_conn=null;
+	protected $db_result=null;
 
 	function __construct()
 	{
@@ -13,6 +14,8 @@ abstract class db extends basis
 
 	abstract function db_connect();
 	abstract function db_query($sql);
+	abstract function db_num_rows();
+	abstract function db_last_error();
 
 }