should be it

external/duckdb/benchmark/micro/storage.cpp

@@ -0,0 +1,39 @@
+#include "benchmark_runner.hpp"
+#include "duckdb_benchmark_macro.hpp"
+
+using namespace duckdb;
+
+DUCKDB_BENCHMARK(SELECT1Memory, "[storage]")
+void Load(DuckDBBenchmarkState *state) override {
+}
+void RunBenchmark(DuckDBBenchmarkState *state) override {
+	for (int32_t i = 0; i < 50000; i++) {
+		state->conn.Query("SELECT 1");
+	}
+}
+string VerifyResult(QueryResult *result) override {
+	return string();
+}
+string BenchmarkInfo() override {
+	return "Run the query \"SELECT 1\" 50K times in in-memory mode";
+}
+FINISH_BENCHMARK(SELECT1Memory)
+
+DUCKDB_BENCHMARK(SELECT1Disk, "[storage]")
+void Load(DuckDBBenchmarkState *state) override {
+}
+void RunBenchmark(DuckDBBenchmarkState *state) override {
+	for (int32_t i = 0; i < 50000; i++) {
+		state->conn.Query("SELECT 1");
+	}
+}
+string VerifyResult(QueryResult *result) override {
+	return string();
+}
+bool InMemory() override {
+	return false;
+}
+string BenchmarkInfo() override {
+	return "Run the query \"SELECT 1\" 50K times in in-memory mode";
+}
+FINISH_BENCHMARK(SELECT1Disk)