# File lib/dm-core/adapters/mysql_adapter.rb, line 124
          def type_map
            @type_map ||= TypeMap.new(super) do |tm|
              tm.map(Integer).to('INT').with(:size => 11)
              tm.map(TrueClass).to('TINYINT').with(:size => 1)  # TODO: map this to a BIT or CHAR(0) field?
              tm.map(Object).to('TEXT')
            end
          end