dhruvarya-db commented on code in PR #2667:
URL: https://github.com/apache/iceberg-rust/pull/2667#discussion_r3463379024
##########
crates/iceberg/src/transaction/expire_snapshots.rs:
##########
@@ -321,11 +321,31 @@ impl TransactionAction for ExpireSnapshotsAction {
.into_iter()
.map(|ref_name| TableUpdate::RemoveSnapshotRef { ref_name })
.collect();
+
+ // Drop the statistics metadata tied to each expired snapshot,
mirroring Java
+ // `RemoveSnapshots.removeSnapshots`. This only rewrites metadata; the
puffin files those
+ // entries point at are deleted by the higher-level file-cleanup
maintenance operation.
+ // Built before the `RemoveSnapshots` push so the ids can be read
without cloning, but
+ // appended after it to keep the update order refs -> snapshots ->
stats.
Review Comment:
Makes sense, shortened
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