wzx140 commented on code in PR #6745:
URL: https://github.com/apache/hudi/pull/6745#discussion_r990605829


##########
hudi-client/hudi-client-common/src/main/java/org/apache/hudi/io/HoodieAppendHandle.java:
##########
@@ -253,21 +253,21 @@ private Option<HoodieRecord> 
prepareRecord(HoodieRecord<T> hoodieRecord) {
   }
 
   private HoodieRecord populateMetadataFields(HoodieRecord<T> hoodieRecord, 
Schema schema, Properties prop) throws IOException {
-    Map<String, String> metadataValues = new HashMap<>();
-    String seqId =
-        HoodieRecord.generateSequenceId(instantTime, getPartitionId(), 
RECORD_COUNTER.getAndIncrement());
+    MetadataValues metadataValues = new MetadataValues();
     if (config.populateMetaFields()) {
-      
metadataValues.put(HoodieRecord.HoodieMetadataField.FILENAME_METADATA_FIELD.getFieldName(),
 fileId);
-      
metadataValues.put(HoodieRecord.HoodieMetadataField.PARTITION_PATH_METADATA_FIELD.getFieldName(),
 partitionPath);
-      
metadataValues.put(HoodieRecord.HoodieMetadataField.RECORD_KEY_METADATA_FIELD.getFieldName(),
 hoodieRecord.getRecordKey());
-      
metadataValues.put(HoodieRecord.HoodieMetadataField.COMMIT_TIME_METADATA_FIELD.getFieldName(),
 instantTime);
-      
metadataValues.put(HoodieRecord.HoodieMetadataField.COMMIT_SEQNO_METADATA_FIELD.getFieldName(),
 seqId);
+      String seqId =
+          HoodieRecord.generateSequenceId(instantTime, getPartitionId(), 
RECORD_COUNTER.getAndIncrement());
+      metadataValues.setFileName(fileId);
+      metadataValues.setPartitionPath(partitionPath);
+      metadataValues.setRecordKey(hoodieRecord.getRecordKey());
+      metadataValues.setCommitTime(instantTime);
+      metadataValues.setCommitSeqno(seqId);
     }
     if (config.allowOperationMetadataField()) {
-      
metadataValues.put(HoodieRecord.HoodieMetadataField.OPERATION_METADATA_FIELD.getFieldName(),
 hoodieRecord.getOperation().getName());
+      metadataValues.setOperation(hoodieRecord.getOperation().getName());
     }
 
-    return hoodieRecord.updateValues(schema, prop, metadataValues);
+    return hoodieRecord.updateMetadataValues(schema, prop, metadataValues);

Review Comment:
   if config.populateMetaFields=false, then metadataValues is empty. And 
hoodieRecord.updateMetadataValues will do nothing.



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