Hi Matthew, Could you give some more specifics about what language/component you are using. In general, Arrow at a specification level doesn't deal with schema evolution. Is this in regard to Datasets or a different component?
Thanks, Micah On Mon, Nov 7, 2022 at 5:06 PM Matthew Scanlon < matthew.scan...@exosfinancial.com> wrote: > Good afternoon, I wanted to reach out and open a dialog about structs, the > evolution of them in schemas, and if support for such a feature is on the > road map or a hard pass for the arrow team. > > Currently, it appears structs support removing a field, but will there be > support for adding fields later on? Are there any recommended patterns for > supporting such a field. For example, if a field foo is a struct with > sub_fields A, B and then later field C gets added, the old data can not be > loaded using the new schema. > > Thank you. > > Matthew Scanlon > > -- > > > Broker-Dealer services offered through Exos Securities LLC, member of > SIPC <http://www.sipc.org/> / FINRA <http://www.finra.org/> / > BrokerCheck > <https://brokercheck.finra.org/>/ 2022 Exos, inc. For important > disclosures, click here > <https://www.exosfinancial.com/general-disclosures>. > > > >
