nsivabalan commented on code in PR #7726:
URL: https://github.com/apache/hudi/pull/7726#discussion_r1084634345


##########
hudi-client/hudi-client-common/src/main/java/org/apache/hudi/keygen/ComplexAvroKeyGenerator.java:
##########
@@ -32,19 +33,25 @@ public class ComplexAvroKeyGenerator extends 
BaseKeyGenerator {
 
   public ComplexAvroKeyGenerator(TypedProperties props) {
     super(props);
-    this.recordKeyFields = 
Arrays.stream(props.getString(KeyGeneratorOptions.RECORDKEY_FIELD_NAME.key()).split(","))
+    this.recordKeyFields = 
props.containsKey(KeyGeneratorOptions.RECORDKEY_FIELD_NAME.key())
+        ? 
Arrays.stream(props.getString(KeyGeneratorOptions.RECORDKEY_FIELD_NAME.key()).split(","))
         .map(String::trim)
         .filter(s -> !s.isEmpty())
-        .collect(Collectors.toList());
+        .collect(Collectors.toList()) : Collections.EMPTY_LIST;
     this.partitionPathFields = 
Arrays.stream(props.getString(KeyGeneratorOptions.PARTITIONPATH_FIELD_NAME.key()).split(","))
         .map(String::trim)
         .filter(s -> !s.isEmpty())
         .collect(Collectors.toList());
+    instantiateAutoRecordKeyGenerator();
   }
 
   @Override
   public String getRecordKey(GenericRecord record) {
-    return KeyGenUtils.getRecordKey(record, getRecordKeyFieldNames(), 
isConsistentLogicalTimestampEnabled());
+    if (autoGenerateRecordKeys) {

Review Comment:
   anyways, we need to overhaul the record key generation as you saw in one of 
the other patches (https://github.com/apache/hudi/pull/7699). that should 
handle this seamlessly. let me know. 



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