+1 (binding)
On 2026/10/22 19:00:04 Russell Spitzer wrote: > +1 (bind) > > On Thu, Oct 22, 2026 at 11:41 AM Andrei Tserakhau via dev < > [email protected]> wrote: > > > +1 (non-binding) > > > > On Thu, Oct 22, 2026 at 8:14 PM Anurag Mantripragada < > > [email protected]> wrote: > > > >> +1 (non-binding) > >> > >> This applies nicely for column updates too. Thanks Anoop. > >> > >> ~ Anurag > >> > >> On Thu, Oct 22, 2026 at 11:11 AM Szehon Ho <[email protected]> > >> wrote: > >> > >>> +1 (binding) > >>> > >>> On Thu, Oct 22, 2026 at 11:03 AM Hongyue Zhang <[email protected]> > >>> wrote: > >>> > >>>> +1 (non-binding) > >>>> > >>>> On Thu, Oct 22, 2026 at 10:49 AM Ryan Blue <[email protected]> wrote: > >>>> > >>>>> +1 (binding) > >>>>> > >>>>> On Thu, Oct 22, 2026 at 10:46 AM Steven Wu <[email protected]> > >>>>> wrote: > >>>>> > >>>>>> +1 (binding) > >>>>>> > >>>>>> On Thu, Oct 22, 2026 at 9:56 AM Anoop Johnson <[email protected]> > >>>>>> wrote: > >>>>>> > >>>>>>> Hi, everyone - > >>>>>>> > >>>>>>> Following the discussion on v4 stats tightness [1], I'd like to call > >>>>>>> a vote on the spec change that replaces the per-column `tight_bounds` > >>>>>>> field > >>>>>>> with a single file-level `tight_stats` flag. > >>>>>>> > >>>>>>> Summary of the change: > >>>>>>> > >>>>>>> - Stats tightness is tracked once per file with a `tight_stats` > >>>>>>> flag on the tracked file instead of a `tight_bounds` field on > >>>>>>> every column's stats struct. > >>>>>>> - The tightness flag covers all statistics (bounds and null, > >>>>>>> NaN, and value counts), not just bounds, so metadata-only > >>>>>>> queries can trust the counts as well. > >>>>>>> - When the `tight_stats` flag is absent, readers must assume > >>>>>>> stats are not tight. > >>>>>>> - A deletion vector no longer implicitly makes stats wide; > >>>>>>> `tight_stats` is the authoritative indicator, and engines are > >>>>>>> allowed to retighten stats without rewriting data files. > >>>>>>> > >>>>>>> References: > >>>>>>> > >>>>>>> 1. Discussion thread: > >>>>>>> https://lists.apache.org/thread.html/tv7bvqctdfh5qng1sx5rp8r4r00nsv60 > >>>>>>> > >>>>>>> 2. Design options doc: > >>>>>>> https://docs.google.com/document/d/13DbwnwKQXjvY3vRcFJo-qVAQWk-GB4zLzzYmFdPntZg/ > >>>>>>> > >>>>>>> 3. Spec PR: https://github.com/apache/iceberg/pull/18585 > >>>>>>> > >>>>>>> Please vote within the next 72 hours. > >>>>>>> > >>>>>>> [ ] +1 Adopt the tight_stats spec change > >>>>>>> [ ] +0 > >>>>>>> [ ] -1 Do not adopt, with reason > >>>>>>> > >>>>>>> Thanks, > >>>>>>> Anoop > >>>>>>> > >>>>>> >
