machine rebellion

db/StoredProcedures.sql

@@ -1531,6 +1531,13 @@ BEGIN
 		RETURN 0;
 	END IF;
 
+	DELETE FROM `disciplines_students`
+	WHERE disciplines_students.ID IN 
+		(	SELECT students.ID
+			FROM `students`
+			WHERE students.StudyGroupID = StudyGroupID
+		);
+
 	INSERT INTO `disciplines_groups` 	(	disciplines_groups.DisciplineID,
 											disciplines_groups.StudyGroupID
 										)