Just one more postscript... On Mon, Nov 2, 2020 at 12:06 PM Peter Geoghegan <p...@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
