<?php
/* $Id$ */
namespace Mammut\DB\Sql\Expression;

(defined('MAMMUT') && (basename(__FILE__) != basename($_SERVER['PHP_SELF']))) or die('ACCESS DENIED');

/**
 * Expression than defines a value
 *
 * @author Stefan Daurer <s.daurer@q-spot.org>
 * @package Mammut\DB\Sql
 */
interface iExprValue {
	const TYPE_PARAMETER = 'param';
	const TYPE_IDENTIFIER = 'identifier';
	const TYPE_VALUE = 'value';
	const TYPE_EXPRESSION = 'expression';
}