danny0405 commented on a change in pull request #3267:
URL: https://github.com/apache/hudi/pull/3267#discussion_r670926655



##########
File path: 
hudi-common/src/main/java/org/apache/hudi/common/table/log/AbstractHoodieLogRecordScanner.java
##########
@@ -113,8 +120,11 @@ protected AbstractHoodieLogRecordScanner(FileSystem fs, 
String basePath, List<St
     this.readerSchema = readerSchema;
     this.latestInstantTime = latestInstantTime;
     this.hoodieTableMetaClient = 
HoodieTableMetaClient.builder().setConf(fs.getConf()).setBasePath(basePath).build();
+    this.orderingField = 
this.hoodieTableMetaClient.getTableConfig().getPreCombineField();
     // load class from the payload fully qualified class name
     this.payloadClassFQN = 
this.hoodieTableMetaClient.getTableConfig().getPayloadClass();
+    // only the OverwriteWithLatestAvroPayload needs combining by orderingVal
+    this.naturalOrder = 
!OverwriteWithLatestAvroPayload.class.isAssignableFrom(ReflectionUtils.getClass(this.payloadClassFQN));

Review comment:
       Agree, would add a new constructor.




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