-- 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/>.
--
-- Distances must be measured between follow participants:
--  update of distances
--
-- 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>
--

-- Move the 9:30 distance part (distancepart_extra) distance measurement
-- from a follow 1 interval to a follow 3 interval so that the 
-- follow participants do not have the same role.

update distances
  set intid = (select intervals.intid
                 from intervals
                 where intervals.followid = 3
                       and intervals.time = '9:30'
                 limit 1)
  from intervals
  where intervals.followid = 1
        and intervals.time = '9:30'
        and distances.intid = intervals.intid;