scovich commented on issue #10092:
URL: https://github.com/apache/arrow-rs/issues/10092#issuecomment-4672909766

   To make sure I'm understanding, `field_by_name` is extracting schema info, 
while `column_by_name` continues to extract actual data? And the former is 
important because `Array::data_type` does not carry field info such as 
nullability and metadata annotations (including extension types)?


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