gabeiglio commented on code in PR #3011:
URL: https://github.com/apache/iceberg-python/pull/3011#discussion_r2826931047
##########
pyiceberg/table/update/snapshot.py:
##########
@@ -366,6 +359,35 @@ def new_manifest_output(self) -> OutputFile:
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 _build_partition_projection(self, spec_id: int) -> BooleanExpression:
+ project = inclusive_projection(self.schema(), self.spec(spec_id),
self._case_sensitive)
+ return project(self._predicate)
+
+ @cached_property
+ def partition_filters(self) -> KeyDefaultDict[int, BooleanExpression]:
+ return KeyDefaultDict(self._build_partition_projection)
+
+ def _build_manifest_evaluator(self, spec_id: int) ->
Callable[[ManifestFile], bool]:
+ return manifest_evaluator(self.spec(spec_id), self.schema(),
self.partition_filters[spec_id], self._case_sensitive)
+
+ def delete_by_predicate(self, predicate: BooleanExpression,
case_sensitive: bool = True) -> None:
+ self._predicate = Or(self._predicate, predicate)
+ self._case_sensitive = case_sensitive
+
+ def _build_delete_files_partition_predicate(self) -> None:
+ """Build BooleanExpression based on deleted data files partitions."""
+ partition_to_overwrite: dict[int, set[Record]] = {}
+ for data_file in self._deleted_data_files:
+ group = partition_to_overwrite.setdefault(data_file.spec_id, set())
+ group.add(data_file.partition)
+
+ for spec_id, data_files in partition_to_overwrite.items():
Review Comment:
ups, good catch
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