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https://issues.apache.org/jira/browse/HUDI-5481?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ethan Guo updated HUDI-5481:
----------------------------
    Description: 
 
{code:java}
public HoodieDefaultTimeline mergeTimeline(HoodieDefaultTimeline timeline) {
  Stream<HoodieInstant> instantStream = Stream.concat(instants.stream(), 
timeline.getInstants()).sorted();
  Function<HoodieInstant, Option<byte[]>> details = instant -> {
    if (instants.stream().anyMatch(i -> i.equals(instant))) {
      return this.getInstantDetails(instant);
    } else {
      return timeline.getInstantDetails(instant);
    }
  };
  return new HoodieDefaultTimeline(instantStream, details);
} {code}

> Revisit the merging of HoodieDefaultTimeline
> --------------------------------------------
>
>                 Key: HUDI-5481
>                 URL: https://issues.apache.org/jira/browse/HUDI-5481
>             Project: Apache Hudi
>          Issue Type: Improvement
>            Reporter: Ethan Guo
>            Priority: Major
>
>  
> {code:java}
> public HoodieDefaultTimeline mergeTimeline(HoodieDefaultTimeline timeline) {
>   Stream<HoodieInstant> instantStream = Stream.concat(instants.stream(), 
> timeline.getInstants()).sorted();
>   Function<HoodieInstant, Option<byte[]>> details = instant -> {
>     if (instants.stream().anyMatch(i -> i.equals(instant))) {
>       return this.getInstantDetails(instant);
>     } else {
>       return timeline.getInstantDetails(instant);
>     }
>   };
>   return new HoodieDefaultTimeline(instantStream, details);
> } {code}



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