create procedure sys.sp_MSget_absolute_colid
    @missing_cols varbinary(128),
    @relative_colid int,
    @absolute_colid int output
as

    select @absolute_colid = 0
    while (@relative_colid > 0)
    begin
        select @absolute_colid = @absolute_colid + 1
        if sys.fn_IsBitSetInBitmask(@missing_cols, @absolute_colid) = 0
            select @relative_colid = @relative_colid - 1
    end
    return 0