Just one more postscript...
On Mon, Nov 2, 2020 at 12:06 PM Peter Geoghegan <pg@bowt.ie> wrote:
> Just to be clear: I am not proposing that we set
> 'IndexBulkDeleteResult.estimated_count = false' here
I meant 'IndexBulkDeleteResult.estimated_count = true'. So my patch
doesn't touch that field at all.
> In other words, I think that the remaining posting-list related
> inaccuracies are comparable to the existing inaccuracies caused by
> concurrent page splits during nbtree vacuuming (I describe the problem
> right next to an old comment about that issue, in fact).
I meant the inaccuracies that remain *once my patch is committed*.
(Clearly the current behavior of setting pg_class.reltuples to zero
during cleanup-only vacuuming is a bug.)
--
Peter Geoghegan
