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[Bug](compatibility) fix stddev_samp function coredump when upgrade #40438

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merged 1 commit into from
Sep 6, 2024
Merged

[Bug](compatibility) fix stddev_samp function coredump when upgrade #40438

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22 changes: 9 additions & 13 deletions be/src/vec/aggregate_functions/aggregate_function_stddev.h
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Original file line number Diff line number Diff line change
Expand Up @@ -126,8 +126,6 @@ struct BaseData {
count += 1;
}

static DataTypePtr get_return_type() { return std::make_shared<DataTypeNumber<Float64>>(); }

double mean;
double m2;
int64_t count;
Expand All @@ -145,6 +143,8 @@ struct PopData : Data {
col.get_data().push_back(this->get_pop_result());
}
}

static DataTypePtr get_return_type() { return std::make_shared<DataTypeNumber<Float64>>(); }
};

// For this series of functions, the Decimal type is not supported
Expand Down Expand Up @@ -189,6 +189,10 @@ struct SampData_OLDER : Data {
nullable_column.get_null_map_data().push_back(0);
}
}

static DataTypePtr get_return_type() {
return make_nullable(std::make_shared<DataTypeNumber<Float64>>());
}
};

template <typename T, typename Data>
Expand All @@ -207,6 +211,8 @@ struct SampData : Data {
}
}
}

static DataTypePtr get_return_type() { return std::make_shared<DataTypeNumber<Float64>>(); }
};

template <bool is_pop, typename Data, bool is_nullable>
Expand All @@ -221,17 +227,7 @@ class AggregateFunctionSampVariance

String get_name() const override { return Data::name(); }

DataTypePtr get_return_type() const override {
if constexpr (is_pop) {
return Data::get_return_type();
} else {
if (IAggregateFunction::version < AGG_FUNCTION_NULLABLE) {
return make_nullable(Data::get_return_type());
} else {
return Data::get_return_type();
}
}
}
DataTypePtr get_return_type() const override { return Data::get_return_type(); }

void add(AggregateDataPtr __restrict place, const IColumn** columns, ssize_t row_num,
Arena*) const override {
Expand Down
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