[GitHub] [arrow] AlenkaF commented on a diff in pull request #12838: ARROW-15757: [Python] Missing bindings for existing_data_behavior makes it impossible to maintain old behavior

[GitBox <gi...@apache.org>]

AlenkaF commented on code in PR #12838:
URL: https://github.com/apache/arrow/pull/12838#discussion_r854964604


##########
python/pyarrow/parquet/__init__.py:
##########
@@ -2928,8 +2928,10 @@ def write_to_dataset(table, root_path, partition_cols=None,
                      partition_filename_cb=None, filesystem=None,
                      use_legacy_dataset=None, schema=None,
                      partitioning=None, basename_template=None,
-                     use_threads=None, file_visitor=None, **kwargs):
-    """Wrapper around parquet.write_dataset for writing a Table to
+                     use_threads=None, file_visitor=None,
+                     existing_data_behavior='overwrite_or_ignore',

Review Comment:
   Set the default to `overwrite_or_ignore` because of the specification of `basename_template`.



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