    # File lib/active_record/base.rb, line 581
          def find(*args)
            options = args.extract_options!
            validate_find_options(options)
            set_readonly_option!(options)

            case args.first
              when :first then find_initial(options)
              when :last  then find_last(options)
              when :all   then find_every(options)
              else             find_from_ids(args, options)
            end
          end