def type_to_sql(type, limit = nil, precision = nil, scale = nil) #:nodoc:
      return super unless type == :integer

      native = native_database_types[type.to_s.downcase.to_sym]
      native.is_a?(Hash) ? native[:name] : native
    end
def type_to_sql(type, limit = nil, precision = nil, scale = nil) #:nodoc:
      return super unless type == :integer

      native = native_database_types[type.to_s.downcase.to_sym]
      native.is_a?(Hash) ? native[:name] : native
    end
Convert the speficied column type to a SQL string.  In Derby, :integers cannot specify
 a limit.