Update cpp/src/arrow/compute/kernels/aggregate_basic_internal.h

Co-authored-by: Antoine Pitrou <pitrou@free.fr>
R-JunmingChen · Oct 19, 2023 · d2ed61c · d2ed61c
1 parent be9238e
commit d2ed61c
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/cpp/src/arrow/compute/kernels/aggregate_basic_internal.h b/cpp/src/arrow/compute/kernels/aggregate_basic_internal.h
@@ -921,8 +921,8 @@ struct DictionaryMinMaxImpl : public ScalarAggregator {
         out_type(std::move(out_type)),
         has_nulls(false),
         count(0),
-        min(nullptr),
-        max(nullptr) {
+        min(MakeNullScalar(this->out_type)),
+        max(this->min) {
     this->options.min_count = std::max<uint32_t>(1, this->options.min_count);
   }