[mnesia] Fix warning in example code

1 files changed, 27 insertions, 18 deletions

diff --git a/lib/mnesia/doc/src/company.erl b/lib/mnesia/doc/src/company.erl
index 28c32ed513..eef5535ed3 100644
--- a/lib/mnesia/doc/src/company.erl
+++ b/lib/mnesia/doc/src/company.erl
@@ -1,19 +1,20 @@
-%% ``The contents of this file are subject to the Erlang Public License,
+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 1999-2012. All Rights Reserved.
+%%
+%% The contents of this file are subject to the Erlang Public License,
 %% Version 1.1, (the "License"); you may not use this file except in
 %% compliance with the License. You should have received a copy of the
 %% Erlang Public License along with this software. If not, it can be
-%% retrieved via the world wide web at http://www.erlang.org/.
-%% 
+%% retrieved online at http://www.erlang.org/.
+%%
 %% Software distributed under the License is distributed on an "AS IS"
 %% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
 %% the License for the specific language governing rights and limitations
 %% under the License.
-%% 
-%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
-%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
-%% AB. All Rights Reserved.''
-%% 
-%%     $Id$
+%%
+%% %CopyrightEnd%
 %%
 -module(company).
 
@@ -83,16 +84,24 @@ g() -> l.
 
 %3
 female_bosses() ->
-    Q = qlc:q( [{E#employee.name, Boss#employee.name} ||
-		   E <- mnesia:table(employee),
-		   Boss <- mnesia:table(employee),
-		   Atdep <- mnesia:table(at_dep),
-		   Mgr <- mnesia:table(manager),
-		   E#employee.sex == female,
-		   Atdep#at_dep.emp == E#employee.emp_no,
-		   Mgr#manager.emp == Boss#employee.emp_no,
-		   Atdep#at_dep.dept_id == Mgr#manager.dept]
+    H1 = qlc:q( [{Atdep#at_dep.dept_id,E} ||
+		    E <- mnesia:table(employee),
+		    E#employee.sex == female,
+		    Atdep <- mnesia:table(at_dep),
+		    Atdep#at_dep.emp == E#employee.emp_no]
+              ),
+
+    H2 = qlc:q( [{Mgr#manager.emp,E} ||
+		    {AtdepDeptId, E} <- H1,
+		    Mgr <- mnesia:table(manager),
+		    AtdepDeptId == Mgr#manager.dept]
 	      ),
+
+    Q = qlc:q( [{E#employee.name, Boss#employee.name} ||
+                   {MgrEmp,E} <- H2,
+                   Boss <- mnesia:table(employee),
+                   MgrEmp == Boss#employee.emp_no]
+             ),
     mnesia:transaction(fun() -> qlc:e(Q) end).
 %3