siddharthteotia commented on code in PR #12783:
URL: https://github.com/apache/pinot/pull/12783#discussion_r1550926484


##########
pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/operator/SortOperator.java:
##########
@@ -129,16 +128,19 @@ private TransferableBlock produceSortedBlock() {
         return TransferableBlockUtils.getEndOfStreamTransferableBlock();
       }
     } else {
-      LinkedList<Object[]> rows = new LinkedList<>();
-      while (_priorityQueue.size() > _offset) {
-        Object[] row = _priorityQueue.poll();
-        rows.addFirst(row);
-      }
-      if (rows.size() == 0) {
+      int resultSize = _priorityQueue.size() - _offset;
+      if (resultSize == 0) {

Review Comment:
   (nit) probably we should check for `resultSize <= 0` to be on safe side



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