linliu-code commented on code in PR #13115:
URL: https://github.com/apache/hudi/pull/13115#discussion_r2035896843
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hudi-common/src/main/java/org/apache/hudi/common/table/read/FileGroupRecordBuffer.java:
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@@ -504,6 +529,19 @@ protected Option<T> merge(Option<T> older, Map<String,
Object> olderInfoMap,
}
}
+ /**
+ * Decides whether to keep the incoming record with ordering value
comparison.
+ */
+ private boolean shouldKeepNewerRecord(Option<T> oldVal, Map<String, Object>
oldMetadata, Option<T> newVal, Map<String, Object> newMetadata) {
+ Comparable newOrderingVal = readerContext.getOrderingValue(newVal,
newMetadata, readerSchema, orderingFieldName);
+ if (isDeleteRecordWithNaturalOrder(newVal, newOrderingVal)) {
+ // handle records coming from DELETE statements(the orderingVal is
constant 0)
+ return true;
+ }
+ Comparable oldOrderingVal = readerContext.getOrderingValue(oldVal,
oldMetadata, readerSchema, orderingFieldName);
+ return newOrderingVal.compareTo(oldOrderingVal) >= 0;
Review Comment:
0 should be `DEFAULT_ORDERING_VALUE`.
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