sanjibansg commented on a change in pull request #12530:
URL: https://github.com/apache/arrow/pull/12530#discussion_r834092452
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File path: python/pyarrow/dataset.py
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@@ -117,6 +118,11 @@ def partitioning(schema=None, field_names=None,
flavor=None,
For example, given schema<year:int16, month:int8, day:int8>, a possible
path would be "/year=2009/month=11/day=15" (but the field order does not
need to match).
+ - "FilenamePartitioning": this scheme expects the partitions will have
+ filenames containing the field values separated by "_".
+ For example, given schema<year:int16, month:int8, day:int8>, a possible
+ partition filename "2009_11_part-0.parquet" would be parsed
+ to ("year"_ == 2009 and "month"_ == 11).
Review comment:
Updated desc of `flavor` for FilenamePartitioning
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