presto-benchmark/src/main/java/io/prestosql/benchmark/StatisticsBenchmark.java/DoubleVariancePopBenchmark/DoubleVariancePopBenchmark
class DoubleVariancePopBenchmark:        public DoubleVariancePopBenchmark(LocalQueryRunner localQueryRunner)
        {
            super(localQueryRunner, "stat_double_variance_pop", 25, 150, "select var_pop(totalprice) from orders");
        }