Added a default _truncate() method to CI_DB_active_record
diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php
index 12908ef..9c611f2 100644
--- a/system/database/drivers/sqlite/sqlite_driver.php
+++ b/system/database/drivers/sqlite/sqlite_driver.php
@@ -448,15 +448,16 @@
 	 * Truncate statement
 	 *
 	 * Generates a platform-specific truncate string from the supplied data
-	 * If the database does not support the truncate() command
-	 * This function maps to "DELETE FROM table"
+	 *
+	 * If the database does not support the truncate() command,
+	 * then this function maps to 'DELETE FROM table'
 	 *
 	 * @param	string	the table name
 	 * @return	string
 	 */
 	protected function _truncate($table)
 	{
-		return $this->_delete($table);
+		return 'DELETE FROM '.$table;
 	}
 
 	// --------------------------------------------------------------------