emkornfield commented on issue #455:
URL: https://github.com/apache/arrow-rs/issues/455#issuecomment-862021243


   
[Here](https://github.com/apache/arrow/blob/8e43f23dcc6a9e630516228f110c48b64d13cec6/cpp/src/parquet/arrow/schema.cc#L859)
 is C++ attempts to reuse original metadata.  It doesn't look like we would use 
the arrow schema in this case.  I'm guessing conversion back the Pandas type 
happens correctly because microseconds would be cast back at the arrow to 
pandas layer.


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