pitrou commented on code in PR #36626:
URL: https://github.com/apache/arrow/pull/36626#discussion_r1260723966
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python/pyarrow/_parquet.pyx:
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@@ -181,11 +181,11 @@ cdef class Statistics(_Weakrefable):
def distinct_count(self):
"""
Distinct number of values in chunk (int).
-
- If this is not set, will return 0.
"""
- # This seems to be zero if not set. See: ARROW-11793
- return self.statistics.get().distinct_count()
+ if self.has_distinct_count:
+ return self.statistics.get().distinct_count()
+ else:
+ return None
Review Comment:
Should we do the same for `null_count`?
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