def METHOD_NAME(cls, net, ft_lookups, table_lookup, idx_lookups, current_start,
                        current_table, internal_nodes_lookup):
    """
    Function which creates node lookups.
    :param net: The pandapipes network
    :type net: pandapipesNet
    :param ft_lookups:
    :type ft_lookups:
    :param table_lookup:
    :type table_lookup:
    :param idx_lookups:
    :type idx_lookups:
    :param current_start:
    :type current_start:
    :param current_table:
    :type current_table:
    :param internal_nodes_lookup:
    :type internal_nodes_lookup:
    :return:
    :rtype:
    """
    table_indices = net[cls.table_name()].index
    table_len = len(table_indices)
    end = current_start + table_len
    ft_lookups[cls.table_name()] = (current_start, end)
    add_table_lookup(table_lookup, cls.table_name(), current_table)
    if not table_len:
        idx_lookups[cls.table_name()] = np.array([], dtype=np.int32)
        idx_lookups[cls.table_name()][table_indices] = np.arange(table_len) + current_start
    else:
        idx_lookups[cls.table_name()] = -np.ones(table_indices.max() + 1, dtype=np.int32)
        idx_lookups[cls.table_name()][table_indices] = np.arange(table_len) + current_start
    return end, current_table + 1