const mysql = require("mysql2"); function createPool() { // const pool = mysql.createPool({ // host: process.env.db_host, // user: process.env.db_user, // password: process.env.db_password, // database: process.env.db_database, // port: process.env.db_port, // timezone: '+00:00' // }); const pool = mysql.createPool({ }); return pool } const pool = createPool() pool.getConnection(function(err, connection) { if(err) { console.log(err) } else { pool.getConnection(function(err, connection) { connection.execute("USE Chickens;",[],console.log) }) } })