jorisvandenbossche commented on a change in pull request #7692:
URL: https://github.com/apache/arrow/pull/7692#discussion_r452477463
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File path: python/pyarrow/_dataset.pyx
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@@ -909,13 +909,24 @@ cdef class ParquetFileFragment(FileFragment):
def __reduce__(self):
buffer = self.buffer
+ if self.row_groups is not None:
Review comment:
Indeed. Based on my discussions with @rjzamora earlier today, the row
group id's are the most critical to serialize (which this PR thus already
fixes), and should cover the short-term needs for dask's use cases.
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