Update new xml query classes with xe 1.5

with improved query argument support and update and delete queries

git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0-DB@8378 201d5d3c-b55e-5fd7-737f-ddc643e51545

classes/db/queryparts/expression/StarExpression.class.php

@@ -0,0 +1,16 @@
+<?php 
+
+	/**
+	 * @class StarExpression
+	 * @author Corina
+	 * @brief Represents the * in 'select * from ...' statements 
+	 *
+	 */
+
+	class StarExpression extends SelectExpression {
+		
+		function StarExpression(){
+			parent::SelectExpression("*");
+		}
+	}
+?>