RussellSpitzer commented on code in PR #11660: URL: https://github.com/apache/iceberg/pull/11660#discussion_r1881103731
########## format/spec.md: ########## @@ -693,6 +686,64 @@ A snapshot's `first-row-id` is assigned to the table's current `next-row-id` on The snapshot's `first-row-id` is the starting `first_row_id` assigned to manifests in the snapshot's manifest list. +#### Snapshot Summary + +##### Required Field `operation` +The snapshot summary's `operation` field is used by some operations, like snapshot expiration, to skip processing certain snapshots. Possible `operation` values are: + +* `append` -- Only data files were added and no files were removed. +* `replace` -- Data and delete files were added and removed without changing table data; i.e., compaction, changing the data file format, or relocating data files. +* `overwrite` -- Data and delete files were added and removed in a logical overwrite operation. +* `delete` -- Data files were removed and their contents logically deleted and/or delete files were added to delete rows. + +##### Optional Metrics Review Comment: As on the proposal doc I think this would be a nice appendix table -- 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
