tustvold opened a new issue, #3526:
URL: https://github.com/apache/arrow-rs/issues/3526

   **Is your feature request related to a problem or challenge? Please describe 
what you are trying to do.**
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   As per [the 
specification](https://github.com/apache/parquet-format/blob/master/src/main/thrift/parquet.thrift#L200)
 for backwards compatibility it is suggested to write the old min/max 
statistics.
   
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   If the column order is signed and the writer version is v1, we should write 
both statistics variants.
   
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