pvary commented on code in PR #14880:
URL: https://github.com/apache/iceberg/pull/14880#discussion_r2634137647
##########
flink/v2.1/flink/src/main/java/org/apache/iceberg/flink/sink/dynamic/DynamicRecordInternalSerializer.java:
##########
@@ -274,22 +306,59 @@ public void writeSnapshot(DataOutputView out) throws
IOException {
@Override
public void readSnapshot(int readVersion, DataInputView in, ClassLoader
userCodeClassLoader)
throws IOException {
+ this.version = readVersion;
this.writeSchemaAndSpec = in.readBoolean();
}
@Override
public TypeSerializerSchemaCompatibility<DynamicRecordInternal>
resolveSchemaCompatibility(
TypeSerializerSnapshot<DynamicRecordInternal> oldSerializerSnapshot) {
- return TypeSerializerSchemaCompatibility.compatibleAsIs();
+ if (oldSerializerSnapshot.getCurrentVersion() == getCurrentVersion()) {
+ return TypeSerializerSchemaCompatibility.compatibleAsIs();
+ }
+ // Old TypeSerializerSnapshots do not contain the serializer cache, but
the newest one does.
+ // This will also ensure that we always use the up-to-date cache
alongside with its catalog
+ // configuration.
+ Preconditions.checkNotNull(serializerCache, "serializerCache should not
be null");
+ try {
+ DynMethods.builder("initializeSerializerCache")
+ .hiddenImpl(
+ DynamicRecordInternalTypeSerializerSnapshot.class,
TableSerializerCache.class)
+ .build()
+ .invoke(oldSerializerSnapshot, serializerCache);
+ } catch (Exception e) {
+ throw new RuntimeException(
+ "Failed to initialize serializerCache for reading data with old
serializer", e);
+ }
Review Comment:
nit: newline
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