> At the moment there is a version at [2] which I will propose be the
> official implementation for the Apache Arrow project (although it
> needs a tiny bit of cleanup to remove a comment reference to C++).
> Assuming the discussion doesn't raise any significant concerns in the
> next week or so I'
As we are starting to add more capability to the C++ Substrait
consumer we are starting to look at spots where extensions are needed
for the Substrait specification. I'm wondering to what degree these
extensions are a part of the Arrow project and to what degree these
are part of a specific implem