Make an offset/count predicate
    even if offset=None or count=None.

    Return (query, args)

def namedb_offset_count_predicate( offset=None, count=None ):
    """
    Make an offset/count predicate
    even if offset=None or count=None.

    Return (query, args)
    """
    offset_count_query = ""
    offset_count_args = ()

    if count is not None:
        offset_count_query += "LIMIT ? "
        offset_count_args += (count,)

    if count is not None and offset is not None:
        offset_count_query += "OFFSET ? "
        offset_count_args += (offset,)

    return (offset_count_query, offset_count_args)