Node.js - MySQL - how to close connection? (Cannot enqueue Query after invoking quit error)

connection.connect((err) => {

  if (err) throw err;

  let sql = `SELECT * 

             FROM users

             LIMIT ? OFFSET ?`;

  const value = [2, 1];

​

  connection.query(sql, value, (err, result) => {

    if (err) throw err;

    console.log(result);

  });

});

​

connection.end();

C:project>node src/App.js

C:project\src\App.js:20

    if (err) throw err;

             ^

​

Error: Cannot enqueue Query after invoking quit.

    at Protocol._validateEnqueue (project\node_modules\mysql\lib\protocol\Protocol.js:215:16)

    at Protocol._enqueue (project\node_modules\mysql\lib\protocol\Protocol.js:138:13)

    at Connection.query (project\node_modules\mysql\lib\Connection.js:198:25)

    at Handshake.<anonymous> (project\src\App.js:19:7)

    at Handshake.<anonymous> (project\node_modules\mysql\lib\Connection.js:526:10)

    at Handshake._callback (project\node_modules\mysql\lib\Connection.js:488:16)

    at Handshake.Sequence.end (project\node_modules\mysql\lib\protocol\sequences\Sequence.js:83:24)

    at Handshake.Sequence.OkPacket (project\node_modules\mysql\lib\protocol\sequences\Sequence.js:92:8)

    at Protocol._parsePacket (project\node_modules\mysql\lib\protocol\Protocol.js:291:23)

    at Parser._parsePacket (project\node_modules\mysql\lib\protocol\Parser.js:433:10) {

  code: 'PROTOCOL_ENQUEUE_AFTER_QUIT',

  fatal: false

}