Avro’s Json encoding retains enough information of writer's schema such that it is possible to decode & resolve without writer's schema; only reader's schema is needed.
See https://github.com/zyu-godaddy/avro-json I know that we do not want to encourage such a practice. Nevertheless, it is an interesting observation that this is possible. Appreciated if people want to double-check the logic. Zhong Yu z...@godaddy.com