danny0405 commented on code in PR #13830:
URL: https://github.com/apache/hudi/pull/13830#discussion_r2320677823
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hudi-client/hudi-client-common/src/main/java/org/apache/hudi/index/HoodieIndexUtils.java:
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@@ -620,8 +619,10 @@ public static <R> HoodieData<HoodieRecord<R>>
tagGlobalLocationBackToRecords(
if (currentLocOpt.isPresent()) {
HoodieRecordGlobalLocation currentLoc = currentLocOpt.get();
boolean shouldDoMergedLookUpThenTag = mayContainDuplicateLookup
- || !Objects.equals(incomingRecord.getPartitionPath(),
currentLoc.getPartitionPath());
- if (shouldUpdatePartitionPath && shouldDoMergedLookUpThenTag) {
+ || !Objects.equals(incomingRecord.getPartitionPath(),
currentLoc.getPartitionPath())
+ // if the ordering is not simply based on commit time and the
incoming record is a delete, the value needs to be compared to the existing
value before deleting the key from the index
+ || (!isCommitTimeOrdered &&
incomingRecord.isDelete(writerSchema.get(), properties));
+ if ((shouldUpdatePartitionPath || isMoRTable) &&
shouldDoMergedLookUpThenTag) {
Review Comment:
Maybe we just need to set the `mayContainDuplicateLookup` also to true for
MOR table RLI index directly if it means the incoming records allow duplicates.
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