+1 (non-binding)


Kyle Bendickson
Software Engineer
Apple
ACS Data
One Apple Park Way,
Cupertino, CA 95014, USA
kbendick...@apple.com

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> On Jul 27, 2021, at 9:58 AM, Ryan Blue <b...@apache.org> wrote:
> 
> I’d like to propose that we adopt the pending v2 spec changes as the 
> supported v2 spec. The full list of changes is documented in the v2 summary 
> section of the spec <https://iceberg.apache.org/spec/#version-2>.
> 
> The major breaking change is the addition of delete files and metadata to 
> track delete files. In addition, there are a few other minor breaking 
> changes. For example, v2 drops the block_size_in_bytes field in manifests 
> that was previously required and also omits fields in table metadata that are 
> now tracked by lists; schema is no longer written in favor of schemas. Other 
> changes are forward compatible, mostly tightening field requirements where 
> possible (e.g., schemas and current-schema-id are now required).
> 
> Adopting the changes will signal that the community intends to support the 
> current set of changes and will guarantee forward-compatibility for v2 tables 
> that implement the current v2 spec. Any new breaking changes would go into v3.
> 
> Please vote on adopting the v2 changes in the next 72 hours.
> 
> [ ] +1 Adopt the changes as v2
> [ ] +0
> [ ] -1 Do not adopt the changes, because…
> 
> -- 
> Ryan Blue

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