scovich commented on issue #7119:
URL: https://github.com/apache/arrow-rs/issues/7119#issuecomment-2653758902

   As I look at the implications for our code that projects out nested columns, 
manually computing "proper" null masks on the read path is going to be a pretty 
massive headache. Highly complex and requires allocation to store the updated 
(and temporary) null mask. 
   
   Does anyone know of an example of a project that is successfully doing this, 
that could serve as a reference point?


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