Hello, As suggested in this JIRA <https://issues.apache.org/jira/browse/AVRO-2918> and this other one <https://issues.apache.org/jira/browse/AVRO-3176> , it could be a nice feature in Avro to integrate record schema inheritance. Concretely, a child schema have extra fields compare to its parent, and a record which is declare to be of Parent type can be of Child type (nothing fancy here, just classic inheritance). Current alternative is to use union of record schema, but each schema have to redefine all field of Parent schema.
I made 2 PR for this feature in Java module only (for the moment): This one <https://github.com/apache/avro/pull/1776> to introduce hierarchy in record schema; where child schema is define as {"type": "record: Parent", "name": "Child" ... } And this second one <https://github.com/apache/avro/pull/2322> to include inheritance in generated code. As it's a big feature, and i will soon not be able to work much for Avro project (job change); i prefer let other decide to integrate this concept or not; and if the way it's introduced sounds good or not. Best regards, Christophe.
