+1 Steven Wu <[email protected]> ezt írta (időpont: 2026. okt. 13., K, 16:31):
> +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 >> >>>> >> >>>> >> >>>> >> >
