スカラー

local firstName = MySQL.scalar.await('SELECT `firstname` FROM `users` WHERE `identifier` = ? LIMIT 1', {
    identifier
})
 
print(firstName)

const firstName = await MySQL.scalar('SELECT `firstname` FROM `users` WHERE `identifier` = ? LIMIT 1', [
  identifier
])
 
console.log(firstName)

MySQL.scalar('SELECT `firstname` FROM `users` WHERE `identifier` = ? LIMIT 1', {
    identifier
}, function(firstName)
    print(firstName)
end)

MySQL.scalar('SELECT `firstname` FROM `users` WHERE `identifier` = ? LIMIT 1', [
  identifier
], (firstName) => {
  console.log(firstName)
})