presto-benchmark/src/main/java/io/prestosql/benchmark/AbstractOperatorBenchmark.java/AbstractOperatorBenchmark/AbstractOperatorBenchmark
class AbstractOperatorBenchmark:    protected AbstractOperatorBenchmark(
            Session session,
            LocalQueryRunner localQueryRunner,
            String benchmarkName,
            int warmupIterations,
            int measuredIterations)
    {
        super(benchmarkName, warmupIterations, measuredIterations);
        this.localQueryRunner = requireNonNull(localQueryRunner, "localQueryRunner is null");

        TransactionId transactionId = localQueryRunner.getTransactionManager().beginTransaction(false);
        this.session = session.beginTransactionId(
                transactionId,
                localQueryRunner.getTransactionManager(),
                new AllowAllAccessControl());
    }