lawofcycles commented on code in PR #3320:
URL: https://github.com/apache/iceberg-python/pull/3320#discussion_r3603819353
##########
pyiceberg/table/update/snapshot.py:
##########
@@ -353,11 +397,116 @@ def new_manifest_output(self) -> OutputFile:
location_provider = self._transaction._table.location_provider()
file_name =
_new_manifest_file_name(num=next(self._manifest_num_counter),
commit_uuid=self.commit_uuid)
file_path = location_provider.new_metadata_location(file_name)
+ self._written_manifests.append(file_path)
return self._io.new_output(file_path)
def fetch_manifest_entry(self, manifest: ManifestFile, discard_deleted:
bool = True) -> list[ManifestEntry]:
return manifest.fetch_manifest_entry(io=self._io,
discard_deleted=discard_deleted)
+ def commit(self) -> None:
+ self._transaction._register_snapshot_producer(self)
+ super().commit()
+
+ def _cleanup_uncommitted(self) -> None:
+ """Delete manifest files and manifest lists from failed retry
attempts."""
+ for path in self._uncommitted_manifests:
+ try:
+ self._io.delete(path)
+ except Exception:
+ logger.warning("Failed to delete uncommitted manifest: %s",
path, exc_info=True)
+ self._uncommitted_manifests.clear()
+ # Delete all manifest lists except the last one (which the committed
snapshot references)
+ if len(self._written_manifest_lists) > 1:
+ for path in self._written_manifest_lists[:-1]:
+ try:
+ self._io.delete(path)
+ except Exception:
+ logger.warning("Failed to delete uncommitted manifest
list: %s", path, exc_info=True)
+ self._written_manifest_lists = self._written_manifest_lists[-1:]
+
+ def _clean_all_uncommitted(self) -> None:
+ """Clean up all manifests and manifest lists on abort."""
+ for path in itertools.chain(self._uncommitted_manifests,
self._written_manifests):
+ try:
+ self._io.delete(path)
+ except Exception:
+ logger.warning("Failed to delete uncommitted manifest: %s",
path, exc_info=True)
+ for path in self._written_manifest_lists:
+ try:
+ self._io.delete(path)
+ except Exception:
+ logger.warning("Failed to delete uncommitted manifest list:
%s", path, exc_info=True)
+ self._uncommitted_manifests.clear()
+ self._written_manifests.clear()
+ self._written_manifest_lists.clear()
+
+ def _refresh_for_retry(self) -> None:
+ """Reset state for a retry attempt with refreshed metadata."""
+ self._uncommitted_manifests.extend(self._written_manifests)
+ self._written_manifests.clear()
+ self._parent_snapshot_id = (
+ snapshot.snapshot_id if (snapshot :=
self._transaction.table_metadata.snapshot_by_name(self._target_branch)) else
None
+ )
Review Comment:
Extracted a helper `_current_branch_head_id()` on `_SnapshotProducer` that
resolves the target branch head snapshot id, and used it in both `__init__` and
`_refresh_for_retry`.
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