const { createConnection } = require('mysql'); const connection = createConnection({ host: 'tfb-database', user: 'benchmarkdbuser', password: 'benchmarkdbpass', database: 'hello_world' }); connection.connect(); function query(text, values) { return new Promise((res, rej) => { connection.query(text, values || [], (err, results) => { return err ? rej(err) : res(results); }); }); } exports.fortunes = () => query('SELECT * FROM fortune'); exports.find = id => query('SELECT * FROM world WHERE id = ?', [id]).then(arr => arr[0]); exports.update = obj => query('UPDATE world SET randomNumber = ? WHERE id = ?', [obj.randomNumber, obj.id]);