findepi commented on code in PR #4945: URL: https://github.com/apache/iceberg/pull/4945#discussion_r893432537
########## format/spec.md: ########## @@ -496,6 +496,7 @@ A snapshot consists of the following fields: | _optional_ | | **`manifests`** | A list of manifest file locations. Must be omitted if `manifest-list` is present | | _optional_ | _required_ | **`summary`** | A string map that summarizes the snapshot changes, including `operation` (see below) | | _optional_ | _optional_ | **`schema-id`** | ID of the table's current schema when the snapshot was created | +| | _optional_ | **`statistics`** | A list of [statistics files' metadata](#statistics-file). The field should be retained by writers, unless writer updates the statistics, or knows they became obsolete. | Review Comment: We don't have implementation for merging stat files yet. One application can calculate some statistic on some columns and then someone else may can calculate a different statistic (or on different list of columns). This would lead to multiple stat files. -- 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]
