Upload of Latency testing code for the sakila test database in MySQL

.vscode/launch.json

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+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "lldb",
+            "request": "launch",
+            "name": "Debug executable 'sql_load_test'",
+            "cargo": {
+                "args": [
+                    "build",
+                    "--bin=sql_load_test",
+                    "--package=sql_load_test"
+                ],
+                "filter": {
+                    "name": "sql_load_test",
+                    "kind": "bin"
+                }
+            },
+            "args": [],
+            "cwd": "${workspaceFolder}"
+        },
+        {
+            "type": "lldb",
+            "request": "launch",
+            "name": "Debug unit tests in executable 'sql_load_test'",
+            "cargo": {
+                "args": [
+                    "test",
+                    "--no-run",
+                    "--bin=sql_load_test",
+                    "--package=sql_load_test"
+                ],
+                "filter": {
+                    "name": "sql_load_test",
+                    "kind": "bin"
+                }
+            },
+            "args": [],
+            "cwd": "${workspaceFolder}"
+        }
+    ]
+}

Cargo.toml

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+[package]
+name = "sql_latency_test"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+mysql = "24.0.0"

src/main.rs

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+use std::time::{SystemTime, Duration};
+
+use mysql::*;
+use mysql::prelude::*;
+
+fn main() -> std::result::Result<(), Box<dyn std::error::Error>> {
+    //Create a connection pool
+    let url = "mysql://sakila:p_ssW0rd@localhost:3306/sakila";
+    let pool = Pool::new(url)?;
+    let mut conn = pool.get_conn()?;
+
+    //Outline the number of queries and mark the start time.
+    const NUMQUERIES: u32 = 5_000;
+    let mut times: Vec<(u32, Duration)> = vec![];
+    let start_time = SystemTime::now();
+
+    // Run the Query, NUM_QUERIES times
+    for i in 0..NUMQUERIES {
+        let start_query = SystemTime::now();
+        let _ = conn.query_drop(r"SELECT release_year, COUNT(*) FROM sakila.film INNER JOIN (SELECT DISTINCT release_year FROM sakila.film) release_years USING (release_year) GROUP BY release_year;")?;
+        times.push((i, SystemTime::now().duration_since(start_query).unwrap()))
+    }
+
+    //Output results
+    println!("Total execution time: {}s", SystemTime::now().duration_since(start_time).unwrap().as_secs_f32());
+    for (query_id, duration) in times.iter() {
+        println!("{}: {}.{} milliseconds", query_id, duration.as_millis(), duration.as_micros());
+    }
+
+    Ok(())
+}