rdblue commented on code in PR #9661: URL: https://github.com/apache/iceberg/pull/9661#discussion_r1501924360
########## format/spec.md: ########## @@ -1314,6 +1330,24 @@ Default values are added to struct fields in v3. Types `timestamp_ns` and `timestamptz_ns` are added in v3. +Writing V3 metadata: + +* Partition field JSON: + * `source-ids` was added and is required + * `source-id` is no longer required and should be omitted; always use `source-ids` instead +* Sort order JSON: + * `source-ids` was added and is required + * `source-id` is no longer required and should be omitted; always use `source-ids` instead + +Reading older version metadata for V3: + +* Partition field and sort order field `source-ids` must default to a single-value list of the value of `source-id` + +Writing older version metadata: Review Comment: What about using "v1 or v2 metadata" instead of "older version metadata"? I think that's more clear. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
