On Wed, 2 May 2018 10:12:37 -0400 Wes McKinney <wesmck...@gmail.com> wrote: > It sounds like the "span" type could be implemented as a composite of > multiple Arrow arrays / schemas: > > array 1 (data) > any schema > > array 2 (view) > struct < > start: int64, > stop: int64 > > > > Unless I'm missing something, this feels like an application-level > concern rather than something that needs to be addressed in the > columnar format / metadata.
Well, couldn't the same theoretically be said about list arrays? In the end, I suppose it all depends whether there's enough demand to make it a core logical type inside Arrow, rather than something people write custom code for in their application. Regards Antoine.
