3
这里是一个简单的模型。Mongoid update_attributes没有得到保存
class Event
include Mongoid::Document
field :name, type: String
field :schedule, type: String
field :description, type: String
field :active, type: Boolean, default: true
key :name
end
1.我们创建和事件
ruby-1.9.2-p0 > event = Event.new(:name => "event1")
=> #<Event _id: event1, _type: nil, _id: "event1", name: "event1", schedule: nil, description: nil, active: true>
ruby-1.9.2-p0 > event.save!
=> true
2.Know可以找到事件
ruby-1.9.2-p0 > event = Event.find("event1")
=> #<Event _id: event1, _type: nil, _id: "event1", name: "event1", schedule: nil, description: nil, active: true>
3.So更新事件属性
ruby-1.9.2-p0 > event.update_attributes!(:name => "new name")
=> true
4.Lets尝试找到事件
ruby-1.9.2-p0 > event = Event.find("new name")
Mongoid::Errors::DocumentNotFound: Document not found for class Event with id(s) new name.
5.Ooops没有找到,但旧的一人仍然坚持
ruby-1.9.2-p0 > event = Event.find("event1")
=> #<Event _id: event1, _type: nil, _id: "event1", name: "event1", schedule: nil, description: nil, active: true>
我做错了吗?我希望这不是一个错误。
是的坏没有在文档,我决定让这个,我只是检查是否关键是得到更新,如果是复制文件,更改密钥,保存新doc和删除旧的,这样用户得到正是他想要的东西。 – daniel 2011-05-12 03:53:26