Ruby on rails 查找后的Mongoid文档持久性
我在mongoid中保存文档时遇到问题。我的控制器中有以下代码片段:Ruby on rails 查找后的Mongoid文档持久性,ruby-on-rails,inheritance,mongodb,model,mongoid,Ruby On Rails,Inheritance,Mongodb,Model,Mongoid,我在mongoid中保存文档时遇到问题。我的控制器中有以下代码片段: params[:user][:residence_attributes][:locations_attributes].each do |num,location_attributes| zipcode = Location.find(location_attributes[:id]) if !zipcode.update_attributes(location_attributes) puts "fail"
params[:user][:residence_attributes][:locations_attributes].each do |num,location_attributes|
zipcode = Location.find(location_attributes[:id])
if !zipcode.update_attributes(location_attributes)
puts "fail"
fail = true
end
puts "zipcode again #{zipcode}"
puts "zipcode number #{zipcode.number}"
puts "zipcodes = #{Zipcode.count}"
zipcode = Zipcode.find(@user.residence.locations[0].id)
puts "zipcode again #{zipcode}"
puts "zipcode number #{zipcode.number}"
puts "zipcodes = #{Zipcode.count}"
zipcode = Zipcode.find(@user.residence.locations[0].id)
puts "zipcode again #{zipcode}"
puts "zipcode number #{zipcode.number}"
puts "zipcodes = #{Zipcode.count}"
end
它产生以下输出:
zipcode again #<Zipcode:0x000000063826a0>
zipcode number 11210
zipcodes = 1
zipcode again #<Zipcode:0x00000006348860>
zipcode number
zipcodes = 1
zipcode again #<Zipcode:0x00000006340ef8>
zipcode number
zipcodes = 1
zipcode#
邮政编码11210
zipcodes=1
又是zipcode#
zipcode编号
zipcodes=1
又是zipcode#
zipcode编号
zipcodes=1
所以问题是,当我第二次和第三次找到文档时,zipcode id为什么会改变
这是一个问题,因为文档不会持久化
我有以下型号:
class Zipcode < Location
include Mongoid::Document
attr_accessible :number
attr_accessor :number
validates_presence_of :number
validate :check_zipcode
end
class Location
include Mongoid::Document
attr_accessible :latitude, :longitude
belongs_to :locatable, polymorphic: true
end
class UserResidence
include Mongoid::Document
has_many :locations, as: :locatable
embedded_in :user, :inverse_of => :residence
attr_accessible :locations_attributes
accepts_nested_attributes_for :locations, autosave: true
#validates_presence_of :locations
#validates :locations, :length => {:minimum => 1}
end
类Zipcode:residence中
属性可访问:位置属性
接受位置的嵌套属性,自动保存:true
#验证是否存在:位置
#验证:位置,:长度=>{:最小=>1}
结束
谢谢您正在保存文档吗 尝试将autosave设置为true 见: (在页面上搜索自动保存)根据需要,在
上设置自动保存:true
有多个:位置
has_many :locations, as: :locatable, autosave: true
accepts_nested_attributes_for :locations
如果Autosave是真的,我会用user_居住模型更新帖子。无论哪种方式,我都在直接更新Zipcode,所以我还需要autosave吗?Mongoid中还有一个相关的Bug:这个Bug还在Mongoid 2.2.1中吗?因为这是我正在使用的版本Durran在2011年9月10日b064b05结束了这个问题--它的里程碑是2.2.1。。。隐马尔可夫模型。。。也许你应该把它报告为回归?