stevenzwu commented on code in PR #7978:
URL: https://github.com/apache/iceberg/pull/7978#discussion_r1256860948
##########
flink/v1.17/flink/src/main/java/org/apache/iceberg/flink/source/split/IcebergSourceSplit.java:
##########
@@ -120,4 +131,56 @@ static IcebergSourceSplit deserializeV1(byte[] serialized)
throws IOException {
throw new RuntimeException("Failed to deserialize the split.", e);
}
}
+
+ byte[] serializeV2() throws IOException {
+ if (serializedBytesCache == null) {
+ DataOutputSerializer out = SERIALIZER_CACHE.get();
+ Collection<FileScanTask> fileScanTasks = task.tasks();
+ Preconditions.checkArgument(
+ fileOffset >= 0 && fileOffset < fileScanTasks.size(),
+ "Invalid file offset: %s. Should within the range of [0, %s)",
+ fileOffset,
+ fileScanTasks.size());
+
+ out.writeInt(fileOffset);
+ out.writeLong(recordOffset);
+ out.writeInt(fileScanTasks.size());
+
+ Iterator<FileScanTask> iter = fileScanTasks.iterator();
+ int writtenTasks = 0;
+ while (iter.hasNext()) {
+ String taskJson = FileScanTaskParser.toJson(iter.next());
+ out.writeUTF(taskJson);
+ writtenTasks += 1;
+ }
+
+ Preconditions.checkArgument(
+ writtenTasks == fileScanTasks.size(),
+ "Invalid combined scan task: collection size = %s, iterator size =
%s",
Review Comment:
totally agree. removed this unnecessary check and simplified the loop.
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