From 4b20f4b0d938d9f1ef73bb7a0eedac31ed0f5f5e Mon Sep 17 00:00:00 2001
From: PavelBegunkov <asml.Silence@gmail.com>
Date: Tue, 26 Aug 2014 14:03:21 +0400
Subject: [PATCH] fix #9

---
 db/StoredProcedures.sql | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/db/StoredProcedures.sql b/db/StoredProcedures.sql
index 51e607941..4802fd275 100644
--- a/db/StoredProcedures.sql
+++ b/db/StoredProcedures.sql
@@ -1183,7 +1183,8 @@ BEGIN
 			WHERE 	disciplines.SubjectID = SubjectID 	AND
 					disciplines.SemesterID = semID 		AND
 					(	disciplines_students.Type = 'attach'	OR
-						(disciplines_students.Type != 'detach' AND disciplines_groups.StudyGroupID = groupID )
+						((disciplines_students.Type IS NULL OR disciplines_students.Type != 'detach') AND 
+						disciplines_groups.StudyGroupID = groupID )
 					)
 			LIMIT 1;
 
-- 
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