alamb commented on issue #4339:
URL: 
https://github.com/apache/arrow-datafusion/issues/4339#issuecomment-1329213763

   Converting to `isize` will now cause issues for large positive numbers
   
   What do you think about first trying `to_usize` and if that fails (returns 
an `Option`) then  try `to_isize`?
   
   There is also `NATIVE` on `ArrowPrimtiveType` (as this function is already 
parameterized on `T` in theory we should be able to pick the correct conversion 
at compile time: 
https://docs.rs/arrow/27.0.0/arrow/array/trait.ArrowPrimitiveType.html
   
   
   
   


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