BiteTheDDDDt commented on code in PR #31913:
URL: https://github.com/apache/doris/pull/31913#discussion_r1522901941
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be/src/vec/aggregate_functions/aggregate_function_collect.h:
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@@ -491,25 +574,23 @@ class AggregateFunctionCollect
void merge(AggregateDataPtr __restrict place, ConstAggregateDataPtr rhs,
Arena* arena) const override {
auto& data = this->data(place);
- auto& rhs_data = this->data(rhs);
+ const auto& rhs_data = this->data(rhs);
if constexpr (ENABLE_ARENA) {
data.merge(rhs_data, arena);
} else if constexpr (!ShowNull::value) {
data.merge(rhs_data);
Review Comment:
why two branch have same code
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