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  • 一个rails项目连多个mongo数据库

    一个rails项目如何连多个mongo数据库呢,答案在这里

    http://stackoverflow.com/questions/16400458/connecting-to-two-databases-mongoid

    (1)先在config/mongoid.yml配置一下

    development:
      sessions:
        default:
          database: ott_tv_cms_development
          hosts:
            - localhost:27017
          options:
        live:
          database: ott_tv_live_cms_development
          hosts:
            - localhost:27017
          options:
    
      options:

    这是development的环境,其他的也一样呢,在session下面新增个数据库链接就行

    (2)在对应的model里增加链接配置信息

    就是那句store_in 

    class LiveChannel
      include Mongoid::Document
      include Timestamps
    
      store_in session: "live", collection: 'live_channel'
    
      field :logo, type: String
      field :name, type: String
      field :channel, type: String
    
      has_many :live_videos, primary_key: 'channel', foreign_key: 'channel'
    end

    搞定啦~

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  • 原文地址:https://www.cnblogs.com/iwangzheng/p/how_to_connect_two_mongo_database_in_one_rails_app.html
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