From fb998623ea5a980d3d33b050945896111f857413 Mon Sep 17 00:00:00 2001
From: khongchi <sungbum00@gmail.com>
Date: Tue, 10 Dec 2013 16:08:38 +0900
Subject: [PATCH] =?UTF-8?q?#162=20db=20query=EC=9D=98=20=EC=9E=85=EB=A0=A5?=
 =?UTF-8?q?=EA=B0=92=20=EC=9C=A0=EB=AC=B4=20=EA=B2=80=EC=82=AC=20=EC=98=A4?=
 =?UTF-8?q?=EB=A5=98=20=EC=88=98=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 classes/xml/xmlquery/argument/Argument.class.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/classes/xml/xmlquery/argument/Argument.class.php b/classes/xml/xmlquery/argument/Argument.class.php
index 3a6fb7382..33eebc324 100644
--- a/classes/xml/xmlquery/argument/Argument.class.php
+++ b/classes/xml/xmlquery/argument/Argument.class.php
@@ -286,7 +286,7 @@ class Argument
 
 	function ensureDefaultValue($default_value)
 	{
-		if(!isset($this->value) || $this->value == '')
+		if($this->value === NULL || $this->value === '')
 		{
 			$this->value = $default_value;
 			$this->uses_default_value = TRUE;