Hi Gosh, There was indeed a discussion where schema evolution was proposed as a solution for another use case: https://lists.apache.org/thread.html/re800c63f0eb08022c8cd5e1b2236fd69a2e85afdc34daf6b75e3b7b3%40%3Cdev.arrow.apache.org%3E
I am curious though, what is your use case here? Best, David On 2021/04/12 10:49:00, Gosh Arzumanyan <gosh...@gmail.com> wrote: > Hi guys, hope you are well! > > Judging from the Flight API > <https://github.com/apache/arrow/blob/5b08205f7e864ed29f53ed3d836845fed62d5d4a/cpp/src/arrow/flight/types.h#L461> > and > from the documentation/examples out there, it seems like data schema is > supposed to be fixed per stream in ArrowFlight(which is also aligned with > corresponding IPC stream writers/readers). > Wondering if the community has evaluated the necessity/possibility of > supporting schema changes within a single stream(I do recall seeing a > discussion on this somewhere but can't find it)? > > Cheers, > Gosh >
