-- Copyright (C) 2013 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/>.
--
-- Individuals who's distance is measured must be in groupmembers:
-- update of intervals
--
-- 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>
--

commit;
begin;

-- Swap the 9:00 and the 9:02 group membership.

do $$
declare
  gid9 groups.gid%type;
  gid902 groups.gid%type;

begin
  select intervals.gid
    into strict gid9
    from intervals
    where intervals.time = '9:00'
          and intervals.followid = 1;

  select intervals.gid
    into strict gid902
    from intervals
    where intervals.time = '9:02'
          and intervals.followid = 1;

  update intervals
    set gid = gid902
    where intervals.time = '9:00'
          and intervals.followid = 1;

  update intervals
    set gid = gid9
    where intervals.time = '9:02'
          and intervals.followid = 1;
end;
$$;