teabot · January 10, 2022 11:53
diff --git a/Avro-questions.csv b/Avro-questions.csv
Action	BACKWARD TRANSITIVE	FORWARD TRANSITIVE	FULL TRANSITIVE
Can I add a new field with a default value?	Yes	Yes	Yes
Can I add a new field without a default value?	No	Yes	No
Can I remove an existing field with a default value?	Yes	Yes	Yes
Can I remove an existing field without a default value?	Yes	No	No
Can I rename an existing field with an alias?	Yes	Yes	Yes
Can I rename an existing field without an alias?	No	No	No
Can I add a default value to an existing field?	Maybe	Maybe	Maybe
Can I remove a default from an existing field?	Maybe	Maybe	Maybe
Can I make an existing field nullable?	Yes	No	No
Can I make an existing field a union?	Yes	No	No
Can I add a type to an existing union?	Yes	No	No
Can I remove a type from an existing union?	No	No	No
Can I promote an existing int field to a long, float, or double?	Yes	No	No
Can I promote an existing float field to a double?	Yes	No	No
Can I promote an existing long field to a float or double?	Yes	No	No
Can I demote an existing long field to an int?	No	Yes	No
Can I demote an existing double field to a float or int?	No	Yes	No
Can I demote an existing float field to an int?	No	Yes	No
Can I add another value to an existing enum?	Yes	Maybe	Maybe
Can I remove a value from an existing enum?	No	No	No
Can I change string to bytes?	Yes	Yes	Yes
Can I change bytes to string?	Yes	Yes	Yes
Can I evolve the elements of an array?	Recurse on array element type	Recurse on array element type	Recurse on array element type
Can I evolve the values of a map?	Recurse on map value type	Recurse on map value type	Recurse on map value type
Must I update the consumer before sending events using my new schema?	Yes	No	No
Must I update the producer before consuming events using my new schema?	No	Yes	No
Can I do anything else not on this list of questions?	Probably not	Probably not	Probably not