Hi,
On 2023-02-16 16:22:56 +0700, John Naylor wrote:
> On Thu, Feb 16, 2023 at 10:24 AM Masahiko Sawada <sawada.mshk@gmail.com>
> > Right. TidStore is implemented not only for heap, so loading
> > out-of-order TIDs might be important in the future.
>
> That's what I was probably thinking about some weeks ago, but I'm having a
> hard time imagining how it would come up, even for something like the
> conveyor-belt concept.
We really ought to replace the tid bitmap used for bitmap heap scans. The
hashtable we use is a pretty awful data structure for it. And that's not
filled in-order, for example.
Greetings,
Andres Freund