'Append a value to the DiskList.
:param value: The value to append.'

def append(self, value):

    assert (self._state == OPEN)
    pickled_obj = cpickle_dumps(value)
    eq_attrs = self._get_eq_attrs_values(value)
    t = (eq_attrs, pickled_obj)
    query = ('INSERT    INTO    %s    VALUES    (NULL,    ?,    ?)' % self.table_name)
    self.db.execute(query, t)
