-- Copyright (C) 2014 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/>.
--
-- Test that the datasheet_events view will update rows.
-- Change mom's foodpart and foodkind from M, B to V, L.
--
-- 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>
--

-- How many rows exist that we will change?
select count(*) as old_count
  from datasheet_events
  WHERE datasheet_events.date = '2004-06-01'
        and datasheet_events.mom = 'MOM'
        and datasheet_events.infant = 'KID'
        and datasheet_events.time = '9:00'
        and datasheet_events.e_mom = 'MOM'
        and datasheet_events.behavior = 'E'
        and datasheet_events.e_mom_foodpart = 'M'
        and datasheet_events.e_mom_foodkind = 'B';

-- Make the change
UPDATE datasheet_events
  SET e_mom_foodpart = 'V'
    , e_mom_foodkind = 'L'
  WHERE datasheet_events.date = '2004-06-01'
        and datasheet_events.mom = 'MOM'
        and datasheet_events.infant = 'KID'
        and datasheet_events.time = '9:00'
        and datasheet_events.e_mom = 'MOM'
        and datasheet_events.behavior = 'E'
        and datasheet_events.e_mom_foodpart = 'M'
        and datasheet_events.e_mom_foodkind = 'B';

-- How many rows exist that didn't change?
select count(*) as old_count
  from datasheet_events
  WHERE datasheet_events.date = '2004-06-01'
        and datasheet_events.mom = 'MOM'
        and datasheet_events.infant = 'KID'
        and datasheet_events.time = '9:00'
        and datasheet_events.e_mom = 'MOM'
        and datasheet_events.behavior = 'E'
        and datasheet_events.e_mom_foodpart = 'M'
        and datasheet_events.e_mom_foodkind = 'B';