未能实现Link.description, tried: in rails-graphql

Question

当我尝试在graphql中更新对象时，我遇到了此图像的错误。

遇到此错误

我写的代码。

module Mutations
class UpdateLink < BaseMutation
argument :link_id, ID, required: true
argument :description, String, required: false
argument :url, String, required: false
type Types::LinkType
def resolve(**args)
link = Link.find(args[:link_id])
link.update!(
url: args[:url],
description: args[:description],
user: context[:current_user]
)
end
end
end

这里的错误信息

Link.description, trying:

- `Types::LinkType#description`, which did not exist
- `TrueClass#description`, which did not exist
- Looking up hash key `:description` or `"description"` on `true`, but it wasn't a Hash
To implement this field, define one of the methods above (and check for typos)

我不知道如何解决这个错误。

请教我如何解决这个问题。

Answer 1

link.update!返回一个布尔值true(因为它是方法的最后一行)，而resolve方法期望Types::LinkType。试着在resolve方法的末尾返回链接。