jayceslesar commented on code in PR #1935:
URL: https://github.com/apache/iceberg-python/pull/1935#discussion_r2051497547
##########
pyiceberg/table/snapshots.py:
##########
@@ -429,3 +429,13 @@ def ancestors_of(current_snapshot: Optional[Snapshot],
table_metadata: TableMeta
if snapshot.parent_snapshot_id is None:
break
snapshot = table_metadata.snapshot_by_id(snapshot.parent_snapshot_id)
+
+
+def ancestors_between(
+ current_snapshot: Optional[Snapshot], oldest_snapshot: Snapshot,
table_metadata: TableMetadata
Review Comment:
this should now be resolved, thank you for the link to that
##########
pyiceberg/table/update/validate.py:
##########
@@ -0,0 +1,70 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements. See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership. The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License. You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied. See the License for the
+# specific language governing permissions and limitations
+# under the License.
+from pyiceberg.manifest import ManifestContent, ManifestFile
+from pyiceberg.table import Table
+from pyiceberg.table.snapshots import Operation, Snapshot, ancestors_between
+
+
+class ValidationException(Exception):
+ """Raised when validation fails."""
+
+
+def validation_history(
+ table: Table,
+ starting_snapshot: Snapshot,
Review Comment:
Ok I think I see, I think the naming is a little confusing and it makes
things easier to think about if we stick to `from_snapshot` and `to_snapshot`.
Just pushed some changes, let me know what you think!
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