rdblue commented on code in PR #41:
URL: https://github.com/apache/iceberg-python/pull/41#discussion_r1451835863
##########
pyiceberg/table/__init__.py:
##########
@@ -831,6 +887,46 @@ def history(self) -> List[SnapshotLogEntry]:
def update_schema(self, allow_incompatible_changes: bool = False,
case_sensitive: bool = True) -> UpdateSchema:
return UpdateSchema(self,
allow_incompatible_changes=allow_incompatible_changes,
case_sensitive=case_sensitive)
+ def append(self, df: pa.Table) -> None:
+ if len(self.spec().fields) > 0:
+ raise ValueError("Cannot write to partitioned tables")
+
+ snapshot_id = self.new_snapshot_id()
+
+ data_files = _dataframe_to_data_files(self, df=df)
+ merge = _MergeAppend(operation=Operation.APPEND, table=self,
snapshot_id=snapshot_id)
+ for data_file in data_files:
+ merge.append_datafile(data_file)
+
+ if current_snapshot := self.current_snapshot():
+ for manifest in current_snapshot.manifests(io=self.io):
+ for entry in manifest.fetch_manifest_entry(io=self.io):
+ merge.append_datafile(entry.data_file, added=False)
+
+ merge.commit()
+
+ def overwrite(self, df: pa.Table, overwrite_filter: BooleanExpression =
ALWAYS_TRUE) -> None:
Review Comment:
Should these methods have docstrings?
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