sunchao opened a new issue #1397: URL: https://github.com/apache/arrow-rs/issues/1397
**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** Currently it seems the Arrow FFI interface doesn't support dictionary yet. Even though the [field exists](https://github.com/apache/arrow-rs/blob/master/arrow/src/ffi.rs#L328) in `FFI_ArrowArray`, it is never assigned or used. Unlike the C++ implementation, `ArrayData` doesn't have a dictionary field either. **Describe the solution you'd like** I haven't looked closely, but I think roughly we should have dictionary in `ArrayData` first? after that exporting it via the FFI will be straightforward. **Describe alternatives you've considered** N/A **Additional context** N/A -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
