As far as I know, List<Struct<...>> hasn't been implemented yet. These are some previous discussions on the Arrow and Parquet mailing lists.
- http://mail-archives.apache.org/mod_mbox/parquet-dev/201801.mbox/%3C4221159.JjGKrUjAfh@gudok6%3E - https://lists.apache.org/thread.html/45179fd4023764f8303c6dee57a9b65afcb660ab0c5d60842caf30d9@%3Cdev.arrow.apache.org%3E - http://mail-archives.apache.org/mod_mbox/arrow-dev/201805.mbox/%3CCAJEf=x6ouiagp5lnfxfftem_yry0jxazu7ysfv9qh9v14y_...@mail.gmail.com%3E -- Jim On Mon, Jun 18, 2018 at 11:34 AM Sebastien Binet <bi...@cern.ch> wrote: > hi there, > > (apologies if this isn't the correct forum to raise this kind of > question...) > > I am investigating whether using arrow/go for my application would be > feasible. > I'd like to be able to provide Arrow support (in Go) for reading ROOT > files[1], a file format used in particle physics. > ROOT provides access to row- and col-wise data, with metadata that allows > files to be self-describing. > > after some initial investigation of the feature set of the Go package, it > seems it's missing support for Structs. > does anyone know what amount of work adding it to arrow/go would entail? > (I am a reasonably seasoned Go programmer, but a complete newbie with > Arrow...) > > or perhaps somebody is already working on that? > > cheers, > -s > > [1] https://root.cern >