+1 (binding) On Tue, Oct 13, 2026 at 6:23 AM Alex Dutra <[email protected]> wrote:
> +1 (non-binding) > > On Tue, Oct 13, 2026 at 2:13 PM 전대홍 <[email protected]> wrote: > > > > +1 (non-binding) > > > > Happy to help bring the file type to iceberg-rust once this lands. > > > > 2026년 10월 13일 (화) 오후 9:09, Manu Zhang <[email protected]>님이 작성: > >> > >> +1 (non-binding) > >> > >> Neelesh Salian <[email protected]>于2026年10月13日 周二18:30写道： > >>> > >>> +1 (non-binding) > >>> > >>> On Tue, Oct 13, 2026 at 08:51 Talat Uyarer via dev < > [email protected]> wrote: > >>>> > >>>> Hi everyone, > >>>> > >>>> I'd like to start a vote on adding the file data type to the v4 table > spec, as proposed in this PR: > >>>> > >>>> https://github.com/apache/iceberg/pull/17918 > >>>> > >>>> The spec change does the following: > >>>> > >>>> New file type: a range of bytes stored either inline or as a > reference to an external file. Its value semantics follow the FILE logical > type in the Parquet spec. > >>>> > >>>> Fixed, implicit sub-fields: uri, offset, size, content_type, checksum > and inline. They don't appear in the schema and can't be added, removed, > reordered or promoted. Their field IDs are offsets +1 to +6 from the file > field's ID, so adding a file field moves last-column-id forward by 7. > >>>> > >>>> URIs: a uri can be absolute or relative. Relative URIs resolve > against the table location. > >>>> > >>>> Stats: each sub-field gets its own field stats. Writers should > produce stats for uri, content_type and inline. > >>>> > >>>> Restrictions: > >>>> - Equality, ordering and hashing aren't defined for file values. > >>>> - A file column can't be an identifier field or a source for > partition or sort transforms. > >>>> - A file column must default to null. > >>>> - A file isn't interchangeable with a struct that has the same > sub-fields, and can't be promoted from one. > >>>> - A uri doesn't guarantee the referenced file exists. > >>>> > >>>> Format mappings: > >>>> - Parquet: map with the FILE logical type. > >>>> - Avro: record. > >>>> - ORC: struct with iceberg.struct-type=FILE. > >>>> > >>>> JSON schema serialization: "file". > >>>> > >>>> FILE type is v4 only. Writing file into a v3 or earlier schema is > invalid. > >>>> > >>>> Please vote in the next 72 hours. > >>>> > >>>> [ ] +1 Add the File type to the v4 spec > >>>> [ ] +0 > >>>> [ ] -1 I have concerns because... > >>>> > >>>> Thanks, > >>>> Talat on behalf of FILE type working group > >>>> > >>>> > >>>> >
