Create a new unsigned big integer column on the table.

        :param column: The column
        :type column: str

        :type auto_increment: bool

        :rtype: Fluent

def unsigned_big_integer(self, column, auto_increment=False):
        """
        Create a new unsigned big integer column on the table.

        :param column: The column
        :type column: str

        :type auto_increment: bool

        :rtype: Fluent
        """
        return self.big_integer(column, auto_increment, True)