felipecrv commented on PR #41975: URL: https://github.com/apache/arrow/pull/41975#issuecomment-2177267969
> @felipecrv I just think about is there some techniques to denote an `ArrayData` is "owned and writable", like the output of `PrepareOutput`. This can do some techniques, like: > > 1. Optimizing data transform in Parquet reader > 2. Do some optimization like reuse-input It's tricky to re-use given that Buffers wrapped in shared_ptrs are supposed to be immutable. You never know if someone is also holding a reference to that shared `Buffer`. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
