imay commented on a change in pull request #1642: add kafka_default_offsets  
when no partiotion specify .support read kafka partition from start
URL: https://github.com/apache/incubator-doris/pull/1642#discussion_r313835288
 
 

 ##########
 File path: 
fe/src/main/java/org/apache/doris/load/routineload/KafkaRoutineLoadJob.java
 ##########
 @@ -368,11 +370,21 @@ private void updateNewPartitionProgress() {
         for (Integer kafkaPartition : currentKafkaPartitions) {
             if (!((KafkaProgress) progress).containsPartition(kafkaPartition)) 
{
                 // if offset is not assigned, start from OFFSET_END
-                ((KafkaProgress) 
progress).addPartitionOffset(Pair.create(kafkaPartition, 
KafkaProgress.OFFSET_END_VAL));
+                long beginOffSet = KafkaProgress.OFFSET_END_VAL;
+                if(!kafkaDefaultOffSet.isEmpty()) {
+                    
if(kafkaDefaultOffSet.equals(KafkaProgress.OFFSET_BEGINNING)) {
+                        beginOffSet = KafkaProgress.OFFSET_BEGINNING_VAL;
+                    }else 
if(kafkaDefaultOffSet.equals(KafkaProgress.OFFSET_END)) {
 
 Review comment:
   ```suggestion
                       } else if 
(kafkaDefaultOffSet.equalsIgnoreCase(KafkaProgress.OFFSET_END)) {
   ```

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