rdblue commented on code in PR #18526: URL: https://github.com/apache/iceberg/pull/18526#discussion_r4461780775
########## format/spec.md: ########## @@ -542,13 +544,15 @@ A data file with only new rows for the table may omit the `_last_updated_sequenc On read, if `_last_updated_sequence_number` is `null` it is assigned the `sequence_number` of the data file's manifest entry. The data sequence number of a data file is documented in [Sequence Number Inheritance](#sequence-number-inheritance). +In v4 and later, `_last_updated_time` is set in the same way as `_last_updated_sequence_number`. On read, if `_last_updated_time` is `null` it is assigned the `snapshot_timestamp` of the data file's tracking metadata, documented in [Snapshot Timestamp Inheritance](#snapshot-timestamp-inheritance). Review Comment: Either way, this is going to get the millis-from-epoch value stored in the snapshot's `timestamp-ms` field (translated to micros). -- 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]
