Varun Patil created ARROW-8418:
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Summary: [Python] partition_filename_cb in write_to_dataset should
be passed additional keyword arguments rather than just keys
Key: ARROW-8418
URL: https://issues.apache.org/jira/browse/ARROW-8418
Project: Apache Arrow
Issue Type: Improvement
Components: Python
Reporter: Varun Patil
I recently had a requirement where I would have liked to construct a filename
based on additional context from Apache Airflow (specifically execution_date).
It would be nice to pass the additional kwargs to *partition_filename_cb* so
that the filename can be constructed using additional information rather than
just the keys used for partitioning.
I believe the fix should be as simple as passing kwargs to the
*partition_filename_cb* inside *write_to_dataset.*
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