fix bug

R-JunmingChen · Oct 15, 2023 · 7c2ebe0 · 7c2ebe0
1 parent 1594f44
commit 7c2ebe0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cpp/src/arrow/compute/kernels/aggregate_basic_internal.h b/cpp/src/arrow/compute/kernels/aggregate_basic_internal.h
@@ -939,7 +939,7 @@ struct DictionaryMinMaxImpl : public ScalarAggregator {
     if (dict->length() == 0) {
       return Status::OK();
     }
-    this->has_nulls = compacted_dict_arr.null_count() > 0;
+    this->has_nulls |= compacted_dict_arr.null_count() > 0;
     this->count += compacted_dict_arr.length() - compacted_dict_arr.null_count();
 
     Datum dict_values(dict);