[GitHub] [arrow] vibhatha commented on a diff in pull request #33969: GH-33668: [Python] Reading flat dataset with partitioning="hive" results in partition schema equal to dataset schema

[via GitHub]

vibhatha commented on code in PR #33969:
URL: https://github.com/apache/arrow/pull/33969#discussion_r1099412661


##########
python/pyarrow/dataset.py:
##########
@@ -437,7 +437,7 @@ def _filesystem_dataset(source, schema=None, 
filesystem=None,
     FileSystemDataset
     """
     format = _ensure_format(format or 'parquet')
-    partitioning = _ensure_partitioning(partitioning)
+    partitioning = _ensure_partitioning(partitioning, schema)

Review Comment:
   Yes this wasn't needed for the Python test case I added in this PR. But it 
was needed for the previous one when the schema is specified. If it is not 
specified even with this change it works fine. But when specified I get `null` 
values in the `exp_meta` column. 



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