HammadB commented on issue #7348:
URL: https://github.com/apache/arrow-rs/issues/7348#issuecomment-2765188312

   Thank you @ethe for opening this issue. I agree that this would be very 
useful - applying filter conditions against the column index in order to derive 
a row selection is a very common use case and feels worth supporting as a first 
class citizen in the library.
   
   I might add that it would be useful to leverage the sort order if present in 
order to allow readers to perform binary search over the page index as opposed 
to a full scan. 


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