Chris@1296: # Redmine - project management software
Chris@1296: # Copyright (C) 2006-2012  Jean-Philippe Lang
Chris@1296: #
Chris@1296: # This program is free software; you can redistribute it and/or
Chris@1296: # modify it under the terms of the GNU General Public License
Chris@1296: # as published by the Free Software Foundation; either version 2
Chris@1296: # of the License, or (at your option) any later version.
Chris@1296: #
Chris@1296: # This program is distributed in the hope that it will be useful,
Chris@1296: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@1296: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@1296: # GNU General Public License for more details.
Chris@1296: #
Chris@1296: # You should have received a copy of the GNU General Public License
Chris@1296: # along with this program; if not, write to the Free Software
Chris@1296: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@1296: 
Chris@1296: module ActiveRecord
Chris@1296:   module FinderMethods
Chris@1296:     def find_ids(*args)
Chris@1296:       find_ids_with_associations
Chris@1296:     end
Chris@1296: 
Chris@1296:     private
Chris@1296:   
Chris@1296:     def find_ids_with_associations
Chris@1296:         join_dependency = construct_join_dependency_for_association_find
Chris@1296:         relation = construct_relation_for_association_find_ids(join_dependency)
Chris@1296:         rows = connection.select_all(relation, 'SQL', relation.bind_values)
Chris@1296:         rows.map {|row| row["id"].to_i}
Chris@1296:       rescue ThrowResult
Chris@1296:         []
Chris@1296:     end
Chris@1296: 
Chris@1296:     def construct_relation_for_association_find_ids(join_dependency)
Chris@1296:       relation = except(:includes, :eager_load, :preload, :select).select("#{table_name}.id")
Chris@1296:       apply_join_dependency(relation, join_dependency)
Chris@1296:     end
Chris@1296:   end
Chris@1296: end