-- Copyright (C) 2012 The Meme Factory, Inc., http://www.meme.com/
--
--    This file is part of Gombe-MI.
--
--    Gombe-MI is free software; you can redistribute it and/or modify
--    it under the terms of the GNU General Public License as published by
--    the Free Software Foundation; either version 3 of the License, or
--    (at your option) any later version.
--
--    This program is distributed in the hope that it will be useful,
--    but WITHOUT ANY WARRANTY; without even the implied warranty of
--    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
--    GNU General Public License for more details.
--
--    You should have received a copy of the GNU General Public License
--    along with Gombe-MI.  If not, see <http://www.gnu.org/licenses/>.
--
-- SQL to test the intervals table integrity constraints.
-- Raise an error because sheets are left without related intervals.
-- Test the intervals trigger.
--
-- All data appearing in this work are fictitious. Any resemblance to
-- actual data, living or archived, is purely coincidental.
--
-- Karl O. Pinc <kop@meme.com>
--

-- Because intervals delete sheets on commit we must commit additions
-- or else we get a race condition on whether the intervals delete commit
-- trigger fires first or the sheets insert commit trigger.
commit;
begin;

delete from intervals
  where sheetid = 2;

-- Then delete the follow so we don't get a follow without intervals.
delete from follows
  where followid = 2;

commit;
begin;

-- See that the delete trigger did it's job.
select count(*) from sheets where sheetid = 2;