HappenLee commented on code in PR #43777:
URL: https://github.com/apache/doris/pull/43777#discussion_r1839640159
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be/src/vec/aggregate_functions/aggregate_function_stddev.h:
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@@ -191,14 +165,25 @@ struct SampData : Data {
static DataTypePtr get_return_type() { return
std::make_shared<DataTypeNumber<Float64>>(); }
};
-template <bool is_pop, typename Data, bool is_nullable>
+struct StddevName {
+ static const char* name() { return "stddev"; }
+};
+struct VarianceName {
+ static const char* name() { return "variance"; }
+};
+struct VarianceSampName {
+ static const char* name() { return "variance_samp"; }
+};
+struct StddevSampName {
+ static const char* name() { return "stddev_samp"; }
+};
+
+template <bool is_pop, typename Data>
Review Comment:
so what is_pop use? seems unless?
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