IMPROVE /renner

src/main.rs

@@ -1,12 +1,13 @@
 use actix_web::{get, post, web, App, HttpResponse, HttpServer, Responder};
-use sqlx::MssqlPool;
-use sqlx::mssql::MssqlRow;
-use sqlx::Row;
-use sqlx::Column;
-use sqlx::TypeInfo;
+use sqlx::{MssqlPool, Row, Pool, Mssql};
 use std::sync::Mutex;
-use sqlx::Pool;
-use sqlx::Mssql;
+use serde::Serialize;
+
+#[derive(Serialize, sqlx::FromRow)]
+struct Gerbil
+{
+    name: String
+}
 
 #[get("/")]
 async fn hello() -> impl Responder {
@@ -15,13 +16,12 @@ async fn hello() -> impl Responder {
 
 #[get("/renner")]
 async fn renner(data: web::Data<Mutex<Pool<Mssql>>>) -> impl Responder {
-    let mut data = data.lock().unwrap();
-    let rows = sqlx::query("SELECT * FROM renner")
-        .fetch_optional(&(*data))
+    let data = data.lock().unwrap();
+    let rows = sqlx::query_as::<_,Gerbil>("SELECT name FROM renner")
+        .fetch_all(&(*data))
         .await
         .expect("no connection to database");
-        let res : String = rows.unwrap().try_get("Name").unwrap();
-    HttpResponse::Ok().body(res)
+    HttpResponse::Ok().json(rows)
 }
 
 #[post("/echo")]