mysql createPool

pages/api/talas_v5_DB/station/getAllStationsNames.js

@@ -1,27 +1,21 @@
 // /pages/api/talas_v5_DB/station/getAllStationsNames.js
-import mysql from "mysql2/promise";
-
-// Verbindungspool-Konfiguration
-const pool = mysql.createPool({
-  host: process.env.DB_HOST,
-  user: process.env.DB_USER,
-  password: process.env.DB_PASSWORD,
-  database: process.env.DB_NAME,
-  port: process.env.DB_PORT,
-  waitForConnections: true,
-  connectionLimit: 10,
-  queueLimit: 0,
-});
+import getPool from "../../../../utils/mysqlPool"; // Importiere den Singleton-Pool
 
 export default async function handler(req, res) {
+  const pool = getPool(); // Verwende den Singleton-Pool
+
   if (req.method !== "GET") {
     res.setHeader("Allow", ["GET"]);
     return res.status(405).end(`Method ${req.method} Not Allowed`);
   }
 
+  let connection;
+
   try {
+    connection = await pool.getConnection(); // Hole eine Verbindung aus dem Pool
+
     // Abrufen aller idLD und ihrer Namen
-    const [results] = await pool.query("SELECT idLD, name FROM location_device");
+    const [results] = await connection.query("SELECT idLD, name FROM location_device");
 
     if (results.length === 0) {
       return res.status(404).json({ error: "No data found" });
@@ -39,5 +33,7 @@ export default async function handler(req, res) {
   } catch (err) {
     console.error("Fehler beim Abrufen der Daten:", err);
     res.status(500).json({ error: "Error retrieving data from the database" });
+  } finally {
+    if (connection) connection.release(); // Gib die Verbindung zurück in den Pool
   }
 }