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Posted to issues@arrow.apache.org by "David Li (Jira)" <ji...@apache.org> on 2022/04/29 17:26:00 UTC

[jira] [Created] (ARROW-16420) [Python] pq.write_to_dataset always ignores partitioning

David Li created ARROW-16420:
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             Summary: [Python] pq.write_to_dataset always ignores partitioning
                 Key: ARROW-16420
                 URL: https://issues.apache.org/jira/browse/ARROW-16420
             Project: Apache Arrow
          Issue Type: Bug
          Components: Python
    Affects Versions: 8.0.0
            Reporter: David Li


The code unconditionally sets {{partitioning}} to None, so the user-supplied partitioning is ignored. 

https://github.com/apache/arrow/blob/edf7334fc38ec9bc2e019bf400403e7c61fb585e/python/pyarrow/parquet/__init__.py#L3143-L3146



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