ion-elgreco opened a new issue, #43534:
URL: https://github.com/apache/arrow/issues/43534

   ### Describe the enhancement requested
   
   I want to be able to lazily rename columns in a pyarrow dataset before 
sharing a dataset object. Currently this can only be done after 
materialization, however we need to be able to this prior to that.
   
   Would it be possible to have a rename on fragment level? This would enable 
support for evolved schema's per fragment or logically renamed columns per 
fragment that still have a different physical name
   
   
   ### Component(s)
   
   Python


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