I realize it's a not-insignificant change, and I'm not (yet) proposing such
a change without more discussion and thought into the consequences.
But, I don't think this would actually break any protocol, so I don't want
to prematurely preclude this as a possible future direction.
My understanding
Hmm, you're right that letting the extension type peek at the entire
metadata values would have been another solution.
That said, for protocol compatibility reasons, we cannot easily change
this anymore.
Regards
Antoine.
Le 16/08/2023 à 17:48, Jeremy Leibs a écrit :
Thanks for the con
Thanks for the context, Antoine.
However, even in those examples, I don't really see how coercing the
metadata to a single string makes much of a difference.
I believe the main difference of what I'm proposing would be that the
ExtensionType::Deserialize interface:
https://github.com/apache/arrow/
Hi Jeremy,
A single key makes it easier for generic code to recreate extension
types it does not know about.
Here is an example in the C++ IPC layer:
https://github.com/apache/arrow/blob/641201416c1075edfd05d78b539275065daac31d/cpp/src/arrow/ipc/metadata_internal.cc#L823-L845
Here is simila