select_all_bug

require 'active_record'
require 'mysql2'
require 'minitest/autorun'
require 'logger'
puts "ActiveRecord: #{ActiveRecord::VERSION::STRING}"

ActiveRecord::Base.establish_connection(adapter: "mysql2", host: "localhost", database: "test")
ActiveRecord::Base.logger = Logger.new(STDOUT)

class Author < ActiveRecord::Base
  connection.create_table table_name, force: true do |t|
    t.string :name
  end
  has_many :posts
end

class Post < ActiveRecord::Base
  connection.create_table table_name, force: true do |t|
    t.column :author_id, :integer
    t.string :title
    t.string :body
  end
  belongs_to :author
end

class BugTest < MiniTest::Unit::TestCase
  def test_select_values_works_with_arel_binds
    connection = ActiveRecord::Base.connection

    author = Author.create!(name: 'john')
    Post.create!(author: author, title: 'foo', body: 'bar')
    query = author.posts
    
    #args = query ## uncomment this line, and comment the next to fail
    args = query.to_sql
    assert_equal(ActiveRecord::Result, connection.select_all(args).class)
  end
end