On Mon, Oct 21, 2024 at 3:34 PM Melanie Plageman
<melanieplage...@gmail.com> wrote:
>
> For the outer loop, I feel like we have options. For example, maybe
> the read stream callback can call RelationGetNumberOfBlocks(). I mean
> maybe we don't want to have to take a relation extension lock in a
> callback.
Also, given this note in btvacuumscan:
* XXX: Now that new pages are locked with RBM_ZERO_AND_LOCK, I don't
* think the use of the extension lock is still required.
Maybe we can stop requiring the extension lock and then I think it
might be okay to call RelationGetNumberOfBlocks() in the callback.
Probably needs more thought though.
- Melanie
