clintropolis commented on code in PR #13672:
URL: https://github.com/apache/druid/pull/13672#discussion_r1072946806


##########
core/src/main/java/org/apache/druid/java/util/common/parsers/JSONFlattenerMaker.java:
##########
@@ -57,15 +57,21 @@ public class JSONFlattenerMaker implements 
ObjectFlatteners.FlattenerMaker<JsonN
   private final CharsetEncoder enc = StandardCharsets.UTF_8.newEncoder();
   private final boolean keepNullValues;
 
+  private final boolean discoverNestedFields;
 
-  public JSONFlattenerMaker(boolean keepNullValues)
+
+  public JSONFlattenerMaker(boolean keepNullValues, boolean 
discoverNestedFields)
   {
     this.keepNullValues = keepNullValues;
+    this.discoverNestedFields = discoverNestedFields;
   }
 
   @Override
   public Iterable<String> discoverRootFields(final JsonNode obj)
   {
+    if (discoverNestedFields) {

Review Comment:
   went ahead and added comments to all



##########
extensions-core/avro-extensions/src/main/java/org/apache/druid/data/input/avro/AvroFlattenerMaker.java:
##########
@@ -92,14 +92,22 @@ private static boolean isFieldPrimitive(Schema.Field field)
   private final boolean fromPigAvroStorage;
   private final boolean binaryAsString;
 
+  private final boolean discoverNestedFields;
+
   /**
    * @param fromPigAvroStorage boolean to specify the data file is stored 
using AvroStorage
    * @param binaryAsString boolean to encode the byte[] as a string.

Review Comment:
   fixed



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