Re: Further _bt_first simplifications for parallel index scans

On Tue, Jan 7, 2025 at 6:56 AM Matthias van de Meent
<boekewurm+postgres(at)gmail(dot)com> wrote:
> Apart from comments on comment contents and placement, no specific issues:

Pushed this just now. Thanks for the review!

> > + *
> > + * Initialize arrays during first (unscheduled) primitive index scan.
> > + */
>
> I think this could be more clear about why these conditions indicate
> the first unscheduled primitive index scan.

Improved this in the committed patch.

> I don't understand the placement of that comment, as it's quite far
> away from any parallel scan related code and it's very unrelated to
> the index scan statistics.
> If this needs to be added, I think I'd put it next to the call to
> _bt_parallel_seize().

Done that way in the committed patch.

--
Peter Geoghegan