# File lib/innodb/data_type.rb, line 13
    def initialize(base_type, modifiers, properties)
      nbits = modifiers.fetch(0, 1)
      raise "Unsupported width for BIT type." unless nbits >= 0 and nbits <= 64
      @width = (nbits + 7) / 8
      @name = Innodb::DataType.make_name(base_type, modifiers, properties)
    end