Rails：从外部数据库获取数据

Question

I am trying to read some data from an external database and display it into my home page. Here's how far I've gotten:

In my database.yml file:

external_db:
  adapter:  mysql2
  database: external_src
  username: external_src
  password: mypassword
  host: myblog.com

I did not have a pages model, so I created one: /app/models/pages.rb

and added the following to it:

class Blog < ActiveRecord::Base
  establish_connection(:external_db)
  set_table_name :posts
end

Now, in my pages controller, how do I retrieve data? Let's say I have a table in that database called pots and I would like to retrieve the post with the id 2?

Answer 1

Like any other model so using #find method, ie:

Blog.find(2)

Should work

_Untested