LambdaKeepConnectionExample1.js

const mysql = require('mysql')

module.exports.myhandler = function (event, context, cb) {
  const conn = mysql.createConnection({
    // mysql connection info
  });
 
  conn.query("SELECT * FROM items", (error, results) => {
    if (error) {
      cb(error, null)
    } else {
      cb(null, results)
    }
  })
}