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# Redmine - project management software
# Copyright (C) 2006-2011 Jean-Philippe Lang
#
# 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.
#
# 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
module ActiveRecord
class Base
def self.find_ids(options={})
find_ids_with_associations(options)
end
end
module Associations
module ClassMethods
def find_ids_with_associations(options = {})
catch :invalid_query do
join_dependency = ActiveRecord::Associations::ClassMethods::JoinDependency.new(self, merge_includes(scope(:find, :include), options[:include]), options[:joins])
return connection.select_values(construct_ids_finder_sql_with_included_associations(options, join_dependency)).map(&:to_i)
end
[]
end
def construct_ids_finder_sql_with_included_associations(options, join_dependency)
scope = scope(:find)
sql = "SELECT #{table_name}.id FROM #{(scope && scope[:from]) || options[:from] || quoted_table_name} "
sql << join_dependency.join_associations.collect{|join| join.association_join }.join
add_joins!(sql, options[:joins], scope)
add_conditions!(sql, options[:conditions], scope)
add_limited_ids_condition!(sql, options, join_dependency) if !using_limitable_reflections?(join_dependency.reflections) && ((scope && scope[:limit]) || options[:limit])
add_group!(sql, options[:group], options[:having], scope)
add_order!(sql, options[:order], scope)
add_limit!(sql, options, scope) if using_limitable_reflections?(join_dependency.reflections)
add_lock!(sql, options, scope)
return sanitize_sql(sql)
end
end
end
end
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