albert597 commented on code in PR #25410:
URL: https://github.com/apache/flink/pull/25410#discussion_r2157728818
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flink-formats/flink-avro-confluent-registry/src/main/java/org/apache/flink/formats/avro/registry/confluent/ConfluentSchemaRegistryCoder.java:
##########
@@ -81,13 +100,29 @@ public Schema readSchema(InputStream in) throws
IOException {
@Override
public void writeSchema(Schema schema, OutputStream out) throws
IOException {
- try {
- int registeredId = schemaRegistryClient.register(subject, schema);
- out.write(CONFLUENT_MAGIC_BYTE);
- byte[] schemaIdBytes =
ByteBuffer.allocate(4).putInt(registeredId).array();
- out.write(schemaIdBytes);
- } catch (RestClientException e) {
- throw new IOException("Could not register schema in registry", e);
+ int registeredId;
+ if (registerSchema()) {
+ try {
+ registeredId = schemaRegistryClient.register(subject, schema);
+ } catch (RestClientException e) {
+ throw new IOException("Could not register schema in registry",
e);
+ }
+ } else {
+ try {
+ registeredId = schemaRegistryClient.getId(subject, schema);
Review Comment:
We're using flink sql, and the generated avro namespace doesnt match the one
we've pre-registered. This `getId(subject, schema)` would still fail because it
has the wrong namespace. Could we do something like this to fix it?
```
registeredId =
schemaRegistryClient.getLatestSchemaMetadata(subject).getId();
```
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