-- 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/>.
--
-- behaviors.both_directions must be null when none of the
-- actor or actee columns are true.
--
-- 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>
--

-- Be sure that all the test row's actor/actee columns are non-true.
select behaviors.behavior
  from behaviors
  where behaviors.behavior = 'E'
        and not(mom_actor)
        and not(mom_actee)
        and (mom_w_nf_actor is null
             or not(mom_w_nf_actor))
        and (mom_w_nf_actee is null
             or not(mom_w_nf_actee))
        and not(sib_actor)
        and not(sib_actee)
        and (sib_w_nf_actor is null
             or not(sib_w_nf_actor))
        and (sib_w_nf_actee is null
             or not(sib_w_nf_actee))
        and not(infant_actor)
        and not(infant_actee)
        and (infant_w_nf_actor is null
             or not(infant_w_nf_actor))
        and (infant_w_nf_actee is null
             or not(infant_w_nf_actee));

-- Do the test
update behaviors
  set both_directions = true
  where behavior = 'E';