Hi, On 2023-02-16 16:22:56 +0700, John Naylor wrote: > On Thu, Feb 16, 2023 at 10:24 AM Masahiko Sawada <sawada.m...@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
