Re: Sparse bit set data structure

On Thu, Mar 14, 2019 at 4:37 PM Julien Rouhaud <rjuju123@gmail.com> wrote:
>
> +       if (newitem <= sbs->last_item)
> +           elog(ERROR, "cannot insert to sparse bitset out of order");
>
> Is there any reason to disallow inserting duplicates?  AFAICT nothing
> prevents that in the current code.  If that's intended, that probably
> should be documented.

That of course won't work well with SBS_LEAF_BITMAP.  I'd still prefer
a more explicit error message.