From a883654b7040b4390f1c630508fe21ae16218a97 Mon Sep 17 00:00:00 2001
From: azammitdcarf <azammitdcarf>
Date: Thu, 28 May 2009 23:36:30 +0000
Subject: [PATCH] Should fail transaction when trying to update where already
 assigned

---
 functions/functions.operator.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/functions/functions.operator.php b/functions/functions.operator.php
index 9981543a..719e6efe 100644
--- a/functions/functions.operator.php
+++ b/functions/functions.operator.php
@@ -456,9 +456,10 @@ function get_case_id($operator_id, $create = false)
 	
 				$sql = "UPDATE `case`
 					SET current_operator_id = '$operator_id'
-					WHERE case_id = '$case_id'";
-	
+					WHERE current_operator_id IS NULL
+					AND case_id = '$case_id'";
 	
+				//should fail transaction if already assigned to another case	
 				$db->Execute($sql);