+1 (non-binding) On Fri, Oct 23, 2026 at 8:06 AM Gang Wu <[email protected]> wrote:
> +1 (binding) > > On Fri, Oct 23, 2026 at 5:32 PM Eduard Tudenhöfner < > [email protected]> wrote: > >> +1 (binding) >> >> On Fri, Oct 23, 2026 at 12:06 AM Amogh Jahagirdar <[email protected]> >> wrote: >> >>> +1 (binding) >>> >>> On Thu, Oct 22, 2026 at 2:27 PM Fokko Driesprong <[email protected]> >>> wrote: >>> >>>> +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 >>>> > >>>>>>> >>>> > >>>>>> >>>> > >>>> >>>
