rdblue commented on code in PR #41:
URL: https://github.com/apache/iceberg-python/pull/41#discussion_r1456469457
##########
pyiceberg/table/__init__.py:
##########
@@ -856,6 +909,61 @@ 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:
+ """
+ Append data to the table.
+
+ Args:
+ df: The Arrow dataframe that will be appended to overwrite the
table
+ """
+ if len(self.spec().fields) > 0:
+ raise ValueError("Cannot write to partitioned tables")
+
+ if len(self.sort_order().fields) > 0:
+ raise ValueError("Cannot write to tables with a sort-order")
+
+ 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)
Review Comment:
Is this really a "merge append" if the operation may be overwrite? You might
consider using `_MergingCommit` or `_MergingSnapshotProducer` (if you want to
follow the Java convention).
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