HonahX commented on code in PR #748:
URL: https://github.com/apache/iceberg-python/pull/748#discussion_r1623919765
##########
pyiceberg/table/__init__.py:
##########
@@ -1290,6 +1291,17 @@ def snapshot_by_name(self, name: str) ->
Optional[Snapshot]:
return self.snapshot_by_id(ref.snapshot_id)
return None
+ def snapshot_at_or_before_timestamp(self, timestamp_ms: int) ->
Optional[Snapshot]:
+ """Get the snapshot that was current at or right before the given
timestamp, or None if there is no matching snapshot."""
+ for log_entry in reversed(self.history()):
+ if log_entry.timestamp_ms <= timestamp_ms:
+ return self.snapshot_by_id(log_entry.snapshot_id)
+ return None
+
+ def current_ancestors(self) -> Iterable[Snapshot]:
+ """Get a list of ancestors of and including the current snapshot."""
+ return ancestors_of(self.current_snapshot(), self.metadata) # type:
ignore
Review Comment:
Sorry for late reply. Thanks for updating the PR.
+1 on removing `current_ancestors()` if we do not need it. I think we can
keep `ancestor_of()` since it will be an useful helper. We just need to make
sure there are tests for it. (Which you have already added for
`current_ancestors()`:raised_hands:).
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