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ad-freiburg · Jan 12, 2024 · 156a239 · 156a239
1 parent ceeeb9e
commit 156a239
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/engine/GroupBy.cpp b/src/engine/GroupBy.cpp
@@ -1042,7 +1042,7 @@ void GroupBy::evaluateAlias(
         sparqlExpression::copyExpressionResult(
             sparqlExpression::ExpressionResult{std::move(aggregateResults)});
   } else {
-    auto occurrences =
+    const auto& occurrences =
         get<std::vector<ParentAndChildIndex>>(groupByVariableSubstitutions);
     // Substitute in the values of the grouped variable
     substituteGroupVariable(occurrences, result);