Christophe Philemotte created FLINK-8378:
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Summary: Serialization and Deserialization of Kafka Avro messages
from and to Row with Confluent Schema Registry
Key: FLINK-8378
URL: https://issues.apache.org/jira/browse/FLINK-8378
Project: Flink
Issue Type: New Feature
Components: Type Serialization System
Affects Versions: 1.3.2, 1.4.0
Reporter: Christophe Philemotte
Priority: Minor
I need to serialize and deserialize Avro messages from Kafka whose the schema
are stored in the Confluent Schema Registry to Row instances.
As far as I know,
* KafkaAvroTableSource does not fetch the schema from the registry
* there is no TableSink for KafkaAvro
* the AvroRowSerializationSchema and AvroRowDeserializationSchema needs a known
Avro schema
* there is none wrapper of the Kafka serdes
So, for now it's not possible out of the box. Still, I think it's an
interesting use case especially considering the Table & SQL API.
I've found some issues related to my case:
* https://issues.apache.org/jira/browse/FLINK-4050
* https://issues.apache.org/jira/browse/FLINK-2597
It seems to me that they have wider scope, that's why I'm creating this issue.
I hope I'm doing well.
I've managed to implement a serializer and deserializer that are between the
Kafka ones and the Flink AvroRow ones.
If you think such serdes would be a nice addition, I'm ready to contribute and
rework my implementation (notably to work with TypeSerializers if possible).
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