// Next.js API route support: https://nextjs.org/docs/api-routes/introduction import { OkPacket, QueryError, RowDataPacket } from "mysql2"; import type { NextApiRequest, NextApiResponse } from 'next'; const pool = require("../../server/db/connect"); type Data = { row: string, } const queryString = "SELECT products.id, products.title, description, type_pizza.img_trad, type_pizza.heft_trad FROM products, type_pizza WHERE products.status=1 and products.type='pizza' and type_pizza.id_products=products.id and type_pizza.size=40"; export default async function handler( req: NextApiRequest, res: NextApiResponse) { async function example2 () { const mysql = require('mysql2/promise'); const pool = mysql.createPool({database: test}); // execute in parallel, next console.log in 3 seconds await Promise.all([pool.query('select sleep(2)'), pool.query('select sleep(3)')]); console.log('3 seconds after'); await pool.end(); } };