rdblue commented on code in PR #14234: URL: https://github.com/apache/iceberg/pull/14234#discussion_r3197727262
########## format/spec.md: ########## @@ -683,6 +683,13 @@ Notes: 5. The `content_offset` and `content_size_in_bytes` fields are used to reference a specific blob for direct access to a deletion vector. For deletion vectors, these values are required and must exactly match the `offset` and `length` stored in the Puffin footer for the deletion vector blob. 6. The following field ids are reserved on `data_file`: 141. +###### File-level column statistics + +Per-column metrics used for filtering and planning are stored at **file** granularity on the `data_file` struct. Review Comment: In addition, this should state that the data held by both representations is equivalent. The meaning of `null` in a v4 `lower_bound` field is the same as if the `lower_bounds` map is missing or if an entry is missing from that map. -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
