rluvaton commented on issue #24704:
URL: https://github.com/apache/datafusion/issues/24704#issuecomment-5663471981

   It was not meant for review, I would have split it to many smaller parts
   
   this is without the `EmitTo::Last`, as every `EmitTo::Last` still requires 
copying and the full underlying data is still occupied (you just change the 
length if you calling `truncate`) or will require full copy (if you want to 
actually release the data that was being emitted)
   
   havining blocked approach while cause performance hit is the idea we have 
for actually releasing the memory


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