viirya commented on code in PR #395:
URL: https://github.com/apache/datafusion-comet/pull/395#discussion_r1602256624


##########
common/src/main/java/org/apache/comet/vector/CometPlainVector.java:
##########
@@ -111,7 +115,12 @@ public UTF8String getUTF8String(int rowId) {
       byte[] result = new byte[length];
       Platform.copyMemory(
           null, valueBufferAddress + offset, result, 
Platform.BYTE_ARRAY_OFFSET, length);
-      return UTF8String.fromBytes(result);
+
+      if (!isUuid) {
+        return UTF8String.fromBytes(result);
+      } else {
+        return UTF8String.fromString(convertToUuid(result).toString());
+      }

Review Comment:
   Hmm,
   
   ```
   optional binary                   _13(ENUM);
   ```
   
   I think we can specify physical type and logical type in the message, no? 
For example, above line specifies `binary` as physical type and `ENUM` as 
logical type.



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