mxm commented on code in PR #11662:
URL: https://github.com/apache/iceberg/pull/11662#discussion_r1865523100
##########
flink/v1.20/flink/src/main/java/org/apache/iceberg/flink/sink/shuffle/SortKeySerializer.java:
##########
@@ -310,10 +366,16 @@ public void writeSnapshot(DataOutputView out) throws
IOException {
@Override
public void readSnapshot(int readVersion, DataInputView in, ClassLoader
userCodeClassLoader)
throws IOException {
- if (readVersion == 1) {
- readV1(in);
- } else {
- throw new IllegalArgumentException("Unknown read version: " +
readVersion);
+ switch (readVersion) {
+ case 1:
+ readV1(in);
+ this.version = 1;
+ break;
+ case 2:
+ readV1(in);
Review Comment:
Can we remove the version suffix in the method name? It handles both
versions.
##########
flink/v1.20/flink/src/main/java/org/apache/iceberg/flink/sink/shuffle/CompletedStatisticsSerializer.java:
##########
@@ -93,15 +126,35 @@ public void serialize(CompletedStatistics record,
DataOutputView target) throws
@Override
public CompletedStatistics deserialize(DataInputView source) throws
IOException {
+ long checkpointId = source.readLong();
+ changeSortKeySerializerVersion(source.readInt());
Review Comment:
AFAIK We were not writing the serializer version before this change. So not
sure this works when restoring the serializer to read old data.
##########
flink/v1.20/flink/src/main/java/org/apache/iceberg/flink/sink/shuffle/StatisticsUtil.java:
##########
@@ -73,12 +73,17 @@ static byte[] serializeCompletedStatistics(
}
static CompletedStatistics deserializeCompletedStatistics(
- byte[] bytes, TypeSerializer<CompletedStatistics> statisticsSerializer) {
+ byte[] bytes, CompletedStatisticsSerializer statisticsSerializer) {
try {
DataInputDeserializer input = new DataInputDeserializer(bytes);
return statisticsSerializer.deserialize(input);
- } catch (IOException e) {
- throw new UncheckedIOException("Fail to deserialize aggregated
statistics", e);
+ } catch (Exception e) {
+ try {
+ DataInputDeserializer input = new DataInputDeserializer(bytes);
+ return statisticsSerializer.deserializeV1(input);
+ } catch (IOException ioException) {
+ throw new UncheckedIOException("Fail to deserialize aggregated
statistics", ioException);
+ }
Review Comment:
I see, we're retrying here in case the restore fails.
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