!add submodule in module:exam

db/StoredProcedures.sql

@@ -2528,8 +2528,11 @@ BEGIN
 	INTO checker 
 	FROM `modules`
 	INNER JOIN `disciplines` ON disciplines.ID = modules.DisciplineID
-	INNER JOIN `disciplines_teachers` ON disciplines_teachers.TeacherID = TeacherID AND disciplines_teachers.DisciplineID = disciplines.ID
-	WHERE 	modules.ID = ModuleID
+	INNER JOIN `disciplines_teachers` ON 	disciplines_teachers.TeacherID = TeacherID AND 
+											disciplines_teachers.DisciplineID = disciplines.ID
+	WHERE 	modules.ID = ModuleID AND
+			modules.isExam = 0
+
 	LIMIT 1;
     IF NOT (checker > 0) THEN
     	RETURN -1;