mxm commented on code in PR #11662:
URL: https://github.com/apache/iceberg/pull/11662#discussion_r1871472107
##########
flink/v1.20/flink/src/main/java/org/apache/iceberg/flink/sink/shuffle/StatisticsUtil.java:
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@@ -73,12 +73,25 @@ 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);
+ CompletedStatistics completedStatistics =
statisticsSerializer.deserialize(input);
+ if (!completedStatistics.isValid()) {
+ throw new RuntimeException("Fail to deserialize aggregated
statistics,change to v1");
+ }
+
+ return completedStatistics;
+ } catch (Exception e) {
+ try {
+ statisticsSerializer.changeSortKeySerializerVersion(1);
+ DataInputDeserializer input = new DataInputDeserializer(bytes);
+ CompletedStatistics deserialize =
statisticsSerializer.deserialize(input);
+ statisticsSerializer.changeSortKeySerializerVersionLatest();
+ return deserialize;
+ } catch (IOException ioException) {
+ throw new UncheckedIOException("Fail to deserialize aggregated
statistics", ioException);
+ }
Review Comment:
We could add a comment here, explaining why switching versions was necessary.
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