liujinhui1994 commented on a change in pull request #2438:
URL: https://github.com/apache/hudi/pull/2438#discussion_r670996945



##########
File path: 
hudi-utilities/src/main/java/org/apache/hudi/utilities/sources/helpers/KafkaOffsetGen.java
##########
@@ -212,6 +234,9 @@ public KafkaOffsetGen(TypedProperties props) {
       Set<TopicPartition> topicPartitions = partitionInfoList.stream()
               .map(x -> new TopicPartition(x.topic(), 
x.partition())).collect(Collectors.toSet());
 
+      if (Config.KAFKA_CHECKPOINT_TYPE_TIMESTAMP.equals(kafkaCheckpointType) 
&& isValidCheckpointType(lastCheckpointStr)) {
+        lastCheckpointStr = getOffsetsByTimestamp(consumer, partitionInfoList, 
topicPartitions, topicName, Long.parseLong(lastCheckpointStr.get()));
+      }

Review comment:
       I don't think there needs to be an "else if" here.
   If you are using timestamp kafkaCheckpointType, lastCheckpointStr will be 
passed a timestamp of "timestamp type", which we will handle using the 
getOffsetByTimestamp method.
   If it is not a timestamp type, then we can interpret it as a regular string 
type checkpoint rule and do not process it




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