rdblue commented on code in PR #11067: URL: https://github.com/apache/iceberg/pull/11067#discussion_r1807491293
########## format/spec.md: ########## @@ -158,27 +158,27 @@ Readers should be more permissive because v1 metadata files are allowed in v2 ta Readers may be more strict for metadata JSON files because the JSON files are not reused and will always match the table version. Required fields that were not present in or were optional in prior versions may be handled as required fields. For example, a v2 table that is missing `last-sequence-number` can throw an exception. -### Writing data files +#### Writing data files All columns must be written to data files even if they introduce redundancy with metadata stored in manifest files (e.g. columns with identity partition transforms). Writing all columns provides a backup in case of corruption or bugs in the metadata layer. Writers are not allowed to commit files with a partition spec that contains a field with an unknown transform. -## Schemas and Data Types +### Schemas and Data Types Review Comment: Okay, that sounds fine to me. -- 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