adjust

clintropolis · Aug 18, 2023 · 04fa897 · 04fa897
1 parent caa9f9f
commit 04fa897
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/processing/src/main/java/org/apache/druid/query/groupby/GroupByQueryResources.java b/processing/src/main/java/org/apache/druid/query/groupby/GroupByQueryResources.java
@@ -29,6 +29,7 @@
 import org.apache.druid.query.QueryDataSource;
 import org.apache.druid.query.dimension.DimensionSpec;
 
+import javax.annotation.Nullable;
 import java.io.Closeable;
 import java.nio.ByteBuffer;
 import java.util.ArrayDeque;
@@ -96,6 +97,7 @@ public static int countRequiredMergeBufferNum(GroupByQuery query)
     return countRequiredMergeBufferNumWithoutSubtotal(query, 1) + numMergeBuffersNeededForSubtotalsSpec(query);
   }
 
+  @Nullable
   private final List<ReferenceCountingResourceHolder<ByteBuffer>> mergeBufferHolders;
   private final Deque<ByteBuffer> mergeBuffers;