mysql createPool

pages/api/talas_v5_DB/locationDevice/locationDeviceNameById.js

@@ -1,19 +1,9 @@
 // API in /api/talas_v5_DB/locationDevice/locationDeviceNameById.js
-import mysql from "mysql2/promise";
-
-// Erstellen eines Pools von Datenbankverbindungen
-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"; // Singleton-Pool importieren
 
 export default async function handler(req, res) {
+  const pool = getPool(); // Singleton-Pool verwenden
+
   if (req.method !== "GET") {
     return res.status(405).json({ error: "Nur GET Methode erlaubt" });
   }
@@ -24,9 +14,13 @@ export default async function handler(req, res) {
     return res.status(400).json({ error: "idLD ist erforderlich" });
   }
 
+  let connection;
+
   try {
+    connection = await pool.getConnection(); // Hole eine Verbindung aus dem Pool
+
     const query = "SELECT name FROM location_device WHERE idLD = ?";
-    const [results] = await pool.query(query, [idLD]);
+    const [results] = await connection.query(query, [idLD]);
 
     if (results.length > 0) {
       res.status(200).json({ name: results[0].name });
@@ -36,5 +30,7 @@ export default async function handler(req, res) {
   } catch (error) {
     console.error("Fehler beim Abrufen des Gerätenamens:", error);
     res.status(500).json({ error: "Fehler beim Abrufen des Gerätenamens" });
+  } finally {
+    if (connection) connection.release(); // Gib die Verbindung in den Pool zurück
   }
 }