gianm commented on code in PR #16849:
URL: https://github.com/apache/druid/pull/16849#discussion_r1706160627


##########
processing/src/main/java/org/apache/druid/segment/incremental/IncrementalIndex.java:
##########
@@ -887,19 +942,23 @@
    * Currently called to initialize IncrementalIndex dimension order during 
index creation
    * Index dimension ordering could be changed to initialize from 
DimensionsSpec after resolution of
    * https://github.com/apache/druid/issues/2011
+   *
+   * @param oldDimensionOrder dimension order to initialize
+   * @param oldColumnFormats  formats for the dimensions
    */
   public void loadDimensionIterable(
       Iterable<String> oldDimensionOrder,
-      Map<String, ColumnFormat> oldColumnCapabilities
+      Map<String, ColumnFormat> oldColumnFormats
   )
   {
     synchronized (dimensionDescs) {
-      if (!dimensionDescs.isEmpty()) {
-        throw new ISE("Cannot load dimension order when existing order[%s] is 
not empty.", dimensionDescs.keySet());
+      if (size() != 0) {
+        throw new ISE("Cannot load dimension order when existing index is not 
empty.", dimensionDescs.keySet());

Review Comment:
   fixed.



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