From e65a393d59bc7242d640a5b17d612a9b67067e2e Mon Sep 17 00:00:00 2001
From: Yannick Warnier <yannick.warnier@beeznest.com>
Date: Mon, 2 Apr 2007 07:17:33 +0200
Subject: [PATCH] [svn r11822] Added checks before issuing SQL query

---
 main/install/update-db-scorm-1.6.x-1.8.0.inc.php | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/main/install/update-db-scorm-1.6.x-1.8.0.inc.php b/main/install/update-db-scorm-1.6.x-1.8.0.inc.php
index 735a3dc266..191c3e3603 100755
--- a/main/install/update-db-scorm-1.6.x-1.8.0.inc.php
+++ b/main/install/update-db-scorm-1.6.x-1.8.0.inc.php
@@ -185,10 +185,14 @@ foreach($courses_id_full_table_prefix_list as $course_code => $db)
 		if($old_parent_chap != 0){
 			$new_chap = $lp_chap_items[$old_chap];
 			$new_parent = $lp_chap_items[$old_parent_chap];
-			$sql_par_chap = "UPDATE $my_new_lp_item " .
+			if(isset($new_chap) && $new_chap != '' 
+				&& isset($new_parent) && $new_parent != '')
+			{
+				$sql_par_chap = "UPDATE $my_new_lp_item " .
 					"SET parent_item_id = $new_parent " .
 					"WHERE id = $new_chap";
-			$res_par_chap = api_sql_query($sql_par_chap,__FILE__,__LINE__);
+				$res_par_chap = api_sql_query($sql_par_chap,__FILE__,__LINE__);
+			}
 		}
 	}
 	unset($parent_chaps);