eldenmoon commented on code in PR #65561:
URL: https://github.com/apache/doris/pull/65561#discussion_r3654230375
##########
be/src/exprs/aggregate/aggregate_function_uniq.cpp:
##########
@@ -36,6 +36,11 @@ AggregateFunctionPtr create_aggregate_function_uniq(const
std::string& name,
const DataTypePtr&
result_type,
const bool
result_is_nullable,
const
AggregateFunctionAttr& attr) {
+ if (argument_types.size() == 1 &&
+ remove_nullable(argument_types[0])->get_primitive_type() ==
TYPE_VARIANT) {
+ return
creator_without_type::create<AggregateFunctionUniqVariant>(argument_types,
+
result_is_nullable, attr);
Review Comment:
要特化 Field canonicalization、hash、相等、merge、序列化及 Arena 生命周期
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