Require not null for CI

JiajunBernoulli · Jan 28, 2024 · acd6d11 · acd6d11
1 parent 2602f08
commit acd6d11
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/core/src/main/java/org/apache/calcite/tools/RelBuilder.java b/core/src/main/java/org/apache/calcite/tools/RelBuilder.java
@@ -2533,8 +2533,9 @@ private RelBuilder aggregate_(GroupKeyImpl groupKey,
   private AggregateCall removeRedundantDistinct(
       AggregateCall aggregateCall,
       ImmutableBitSet groupSet,
-      RelNode r) {
+      RelNode relNode) {
     if (aggregateCall.isDistinct() && !config.redundantDistinct()) {
+      final RelNode r = requireNonNull(relNode, "relNode");
       final RelMetadataQuery mq = r.getCluster().getMetadataQuery();
       final List<Integer> argList = aggregateCall.getArgList();
       final ImmutableBitSet distinctArg = ImmutableBitSet.builder()