Function getAggFunctions

src/processor/map/map_aggregate.cpp:82–89

}

static std::vector<AggregateFunction> getAggFunctions(const expression_vector& aggregates) {
    std::vector<AggregateFunction> aggregateFunctions;
    for (auto& expression : aggregates) {
        auto aggExpr = expression->constPtrCast<AggregateFunctionExpression>();
        aggregateFunctions.push_back(aggExpr->getFunction().copy());
    }
    return aggregateFunctions;
}

static void writeAggResultWithNullToVector(ValueVector& vector, uint64_t pos,
    AggregateState* aggregateState) {