mingmwang commented on issue #5771:
URL: 
https://github.com/apache/arrow-datafusion/issues/5771#issuecomment-1488567638

   Well, you are right and this is not a bug, but I think it is an improvement 
point,  if the backend are parquet files, we can just read the parquet files 
footers instead of reading any real fields. 


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