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mysql createPool

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This commit is contained in:
ISA
2024-09-02 09:06:49 +02:00
parent ac80c8c619
commit ea46bd771b
52 changed files with 2026 additions and 437 deletions
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45
pages/api/talas5/area.js
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@@ -1,40 +1,19 @@
// pages/api/talas_v5/area.js
// Lesen von talas_v5 MySQL-Datenbank -> area Tabelle enthält DAUZ Geräte
// Wenn gebraucht wird, dann nutzen ansonsten löschen
import mysql from "mysql";
import getPool from "../../utils/mysqlPool"; // Verwende den Singleton-Pool
const dbConfig = {
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,
};
//console.log("my dbconfig: ", dbConfig);
export default function handler(req, res) {
const connection = mysql.createConnection(dbConfig);
export default async function handler(req, res) {
try {
const pool = getPool(); // Hole den Pool
connection.connect((err) => {
if (err) {
console.error("Fehler beim Verbinden:", err.stack);
res.status(500).json({ error: "Verbindungsfehler zur Datenbank" });
return;
}
// Führe die Abfrage aus
const [results] = await pool.query("SELECT id, name FROM area WHERE id = ?", [req.query.id]);
//console.log("Verbunden als ID", connection.threadId);
//Fehler weil, existiertdie Tabelle auf localhost:3000 nicht
connection.query("SELECT ..., ..., ..., ... FROM ... WHERE ... = ...", (error, results) => {
if (error) {
console.error("Fehler beim Abrufen der API", error);
res.status(500).json({ error: "Fehler bei der Abfrage" });
return;
}
// Wichtig: Senden Sie die Antwort zurück
res.status(200).json(results);
connection.end();
});
});
// Sende die Antwort zurück
res.status(200).json(results);
} catch (error) {
console.error("Fehler beim Abrufen der API", error);
res.status(500).json({ error: "Fehler bei der Abfrage" });
}
}

60
pages/api/talas5/location_device.js
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@@ -1,42 +1,34 @@
// Importieren des mysql2 Pakets
import mysql from "mysql2";
// 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,
});
// Ein Hilfsfunktion, um Anfragen zu vereinfachen
function queryDatabase(query, params) {
return new Promise((resolve, reject) => {
pool.query(query, params, (error, results) => {
if (error) {
return reject(error);
}
resolve(results);
});
});
}
// /pages/api/talas5/location_device.js
import getPool from "../../../utils/mysqlPool"; // Import Singleton-Pool
// API-Handler
export default async function handler(req, res) {
try {
// Dein SQL-Query und die Parameter
const sql = "SELECT idLD, iddevice, name FROM location_device WHERE iddevice = ?";
const params = [160]; // Beispielparameter
const pool = getPool(); // Singleton-Pool verwenden
// Ausführen der Datenbankabfrage
const results = await queryDatabase(sql, params);
let connection;
try {
// SQL-Query and parameters
const sql = "SELECT idLD, iddevice, name FROM location_device WHERE iddevice = ?";
const params = [160]; // Example parameter
// Get a connection from the pool
connection = await pool.getConnection();
// Execute the query
const [results] = await connection.query(sql, params);
// Check if results are empty
if (!results.length) {
return res.status(404).json({ error: "Keine Geräte gefunden" });
}
// Respond with the results
res.status(200).json(results);
} catch (error) {
console.error("Fehler beim Abrufen der API", error);
res.status(500).json({ error: "Fehler bei der Abfrage" });
// Log and return error
console.error("Fehler beim Abrufen der Geräteinformationen:", error);
res.status(500).json({ error: "Fehler beim Abrufen der Geräteinformationen" });
} finally {
if (connection) connection.release();
}
}

33
pages/api/talas5/webserviceMap/GisStationsStatusDistrict.js
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@@ -1,19 +1,10 @@
// /pages/api/talas5/webserviceMap/gisStationsMeasurementsSQL.js
import mysql from "mysql2/promise";
// Erstellen eines Verbindungspools anstelle einer einzelnen Verbindung
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,
});
// /pages/api/talas5/webserviceMap/GisStationsStatusDistrict.js
import getPool from "../../../../utils/mysqlPool"; // Singleton-Pool importieren
export default async function handler(req, res) {
const pool = getPool(); // Singleton-Pool verwenden
let connection; // Verbindung deklarieren
const { idMap, idUser } = req.query;
if (!idMap || !idUser) {
@@ -21,22 +12,25 @@ export default async function handler(req, res) {
}
try {
// Verbindung aus dem Pool holen
connection = await pool.getConnection();
let onlySystem = -1;
let districtCounter = 0;
// Get onlySystem
const [mapResult] = await pool.query("SELECT idsystem_typ FROM maps WHERE id = ?", [idMap]);
const [mapResult] = await connection.query("SELECT idsystem_typ FROM maps WHERE id = ?", [idMap]);
if (mapResult.length > 0) {
onlySystem = mapResult[0].idsystem_typ ?? -1;
}
// Get districtCounter
if (idUser > 0) {
const [userLayerResult] = await pool.query("SELECT count(*) as count FROM user_User_layer1 WHERE iduser = ?", [idUser]);
const [userLayerResult] = await connection.query("SELECT count(*) as count FROM user_User_layer1 WHERE iduser = ?", [idUser]);
districtCounter = userLayerResult[0].count;
}
// Building the query
// Query erstellen
let query = `
SELECT ld.idLD, dc.message, p.level, p.name, p.color, ld.idDevice, de.isService, dc.idIcon
FROM location as l
@@ -61,7 +55,7 @@ export default async function handler(req, res) {
}
query += ` ORDER BY p.level desc`;
const [results] = await pool.query(query, queryParams);
const [results] = await connection.query(query, queryParams);
const mpss = {
IdMap: idMap.toString(),
@@ -80,5 +74,8 @@ export default async function handler(req, res) {
} catch (error) {
console.error("Fehler beim Laden der Daten:", error);
res.status(500).json({ error: "Interner Serverfehler" });
} finally {
// Stelle sicher, dass die Verbindung zurück in den Pool gegeben wird
if (connection) connection.release();
}
}

24
pages/api/talas5/webserviceMap/gisStationsMeasurementsSQL.js
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@@ -1,27 +1,9 @@
// /pages/api/talas5/webserviceMap/gisStationsMeasurementsSQL.js
import mysql from "mysql2";
// 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,
});
pool.on("connection", function (connection) {
console.log("Database connected successfully.");
});
pool.on("error", function (err) {
console.error("Fehler beim Verbinden:", err);
});
import getPool from "../../../../utils/mysqlPool"; // Singleton-Pool importieren
export default function handler(req, res) {
const pool = getPool(); // Singleton-Pool verwenden
const idMap = req.query.idMap;
if (req.method !== "GET") {
return res.status(405).json({ error: "Nur GET Methode erlaubt" });