pitrou commented on code in PR #39781:
URL: https://github.com/apache/arrow/pull/39781#discussion_r1480181089
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python/pyarrow/_parquet.pyx:
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@@ -849,6 +849,18 @@ cdef class FileMetaData(_Weakrefable):
cdef Buffer buffer = sink.getvalue()
return _reconstruct_filemetadata, (buffer,)
+ def __hash__(self):
+ def flatten(obj):
Review Comment:
I think it would be simpler, and probably faster, to serialize the metadata
using `self._metadata.WriteTo` and then hash the resulting buffer contents.
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