apply_finder_options

# File activerecord/lib/active_record/relation/spawn_methods.rb, line 119
    def apply_finder_options(options)
      relation = clone
      return relation unless options

      options.assert_valid_keys(VALID_FIND_OPTIONS)
      finders = options.dup
      finders.delete_if { |key, value| value.nil? && key != :limit }

      ([:joins, :select, :group, :order, :having, :limit, :offset, :from, :lock, :readonly] & finders.keys).each do |finder|
        relation = relation.send(finder, finders[finder])
      end

      relation = relation.where(finders[:conditions]) if options.has_key?(:conditions)
      relation = relation.includes(finders[:include]) if options.has_key?(:include)
      relation = relation.extending(finders[:extend]) if options.has_key?(:extend)

      relation
    end