obsolete.ChilliProject/db/migrate/20110729125454_remove_doubl...

25 lines
850 B
Ruby

#-- encoding: UTF-8
#-- copyright
# ChiliProject is a project management system.
#
# Copyright (C) 2010-2011 the ChiliProject Team
#
# This program 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 2
# of the License, or (at your option) any later version.
#
# See doc/COPYRIGHT.rdoc for more details.
#++
class RemoveDoubleInitialWikiContentJournals < ActiveRecord::Migration
def self.up
# Remove the newest initial WikiContentJournal (the one erroneously created by a former migration) if there are more than one
WikiContentJournal.find(:all, :conditions => {:version => 1}).group_by(&:journaled_id).select {|k,v| v.size > 1}.each {|k,v| v.max_by(&:created_at).delete}
end
def self.down
# noop
end
end