Dandandan edited a comment on pull request #9271:
URL: https://github.com/apache/arrow/pull/9271#issuecomment-765952965
@jorgecarleitao
Thanks, that it a great summary of the situation! I think removing the `Vec`
sounds like it might improve the "metadata overhead", maybe there are some more
opportunities like that as well. Maybe the second buffer could be
`Option<Buffer>` as well to avoid creating a buffer (if that would add extra
overhead)?
Looking at Arraydata, that might be reasonable cheap as well to clone, not
sure if it would improve in all situations as it also involves some extra
copying.
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