Hey everyone, I'm pulling this vote for now based on feedback that we need to have the reference implementation ready to go, which I have but isn't fully reviewed yet.
I'll create a new vote when that is ready Thanks, Andrei On Wed, Jul 22, 2026 at 3:49 PM Andrei Tserakhau < [email protected]> wrote: > Hi everyone, > > Following the discussion on IRC Labels [1 > <https://github.com/apache/iceberg/issues/15521>] and the catalog syncs, > I'd like to > call a vote on the read-path spec change: an optional `labels` field on > LoadTableResult and LoadViewResult. > > Labels give catalogs a standard channel to surface the enrichment they > already > hold about an object -- semantic hints, classification, cost attribution, > ownership-as-the-catalog-sees-it -- as flat key-value metadata that > engines and > other systems can read. The full motivation, scope, alternatives > (including why > this is separate from table properties), and the Kubernetes-labels > precedent > are in the design doc [2 > <https://docs.google.com/document/d/1aj-6JlfBiMYEEVtNuh5WLMOrRQiMCcyYUGbouPM4hXI/edit>]; > I'd encourage reading it before voting. > > Scope of this vote, deliberately narrow: > > - Read path only. The write path (UpdateLabels) and any > structured/first-class > tag entity are separate follow-up tracks, not part of this vote. > - Flat key-value on the wire. The spec defines the envelope, not a > vocabulary > or a key registry -- conventions emerge in the community layer. > - Additive and backward compatible: `labels` is optional; older clients > ignore it. > > Design doc: [2 > <https://docs.google.com/document/d/1aj-6JlfBiMYEEVtNuh5WLMOrRQiMCcyYUGbouPM4hXI/edit> > ] > Proposal: [1 <https://github.com/apache/iceberg/issues/15521>] > Spec PR: [3 <https://github.com/apache/iceberg/pull/15750>] > Prototype (Trino demo + Polaris implementation): [4 > <https://github.com/laskoviymishka/irc-labels>] > > Please vote within the next 72 hours: > > [ ] +1 Adopt the labels read-path spec change > [ ] +0 > [ ] -1 Do not adopt, because ... > > [1] https://github.com/apache/iceberg/issues/15521 > [2] > https://docs.google.com/document/d/1aj-6JlfBiMYEEVtNuh5WLMOrRQiMCcyYUGbouPM4hXI/edit > [3] https://github.com/apache/iceberg/pull/15750 > [4] https://github.com/laskoviymishka/irc-labels > > Thanks, > Andrei >
