Which one is the writer and which is the reader?
Sent from my iPhone
> On May 4, 2023, at 22:47, KV 59 <kvajjal...@gmail.com> wrote:
>
>
> Hi,
>
> I see that that java Avro compatibility check doesn't work as per
> specification for enum schema evolution. I have a the following schema
>> {
>> "type" : "record",
>> "name" : "TestEnumRec",
>> "namespace" : "com.five9.avro.enum.test",
>> "fields" : [ {
>> "name" : "enumType",
>> "type" : {
>> "type" : "enum",
>> "name" : "EnumType",
>> "symbols" : [ "S1", "S2", "S3", "S4", "S5", "S6" ]
>> }
>> } ]
>> }
>
> And another version of the same schema
>
>> {
>> "type" : "record",
>> "name" : "TestEnumRec",
>> "namespace" : "com.five9.avro.enum.test",
>> "fields" : [ {
>> "name" : "enumType",
>> "type" : {
>> "type" : "enum",
>> "name" : "EnumType",
>> "symbols" : [ "S1", "S2", "S3", "S4", "S5", "S6", "S7" ]
>> }
>> } ]
>> }
>
> These schemas show as compatible for mutual read
>
> This is not in line with what the specification says
>> if both are enums: if the writer’s symbol is not present in the reader’s
>> enum and the reader has a default value, then that value is used, otherwise
>> an error is signalled.
>>
>
> I have tried this in Avro 1.9.1 and 1.11.1. Is this a bug? If not, what am I
> doing wrong?
>
> Appreciate reponses
>
> Regards,
> Kishore
