Query MySQL Rows in Go

package main

import (
	"database/sql"
	"fmt"
	"log"
	"time"

	_ "github.com/go-sql-driver/mysql"
)

func main() {
	db, err := sql.Open("mysql", "root:root@(127.0.0.1:3306)/root?parseTime=true")
	if err != nil {
		log.Fatal(err)
	}

	var (
		id        int
		username  string
		password  string
		createdAt time.Time
	)

	query := "SELECT id, username, password, created_at FROM users WHERE id = ?"
	if err := db.QueryRow(query, 1).Scan(&id, &username, &password, &createdAt); err != nil {
		log.Fatal(err)
	}

	fmt.Println(id, username, password, createdAt)
}