Question

我是Rails的新手，但我需要在运行Ruby 1.9.2和Rails 3的应用程序中使用复合主键。我无法在Ruby on Rails应用程序中使复合键正常工作。我按照the compositekeys site中的说明进行操作，但我仍然遇到同样的错误：没有要加载的文件 - composite_primary_keys

1 - sudo gem install composite_primary_keys
2 - 在conf / environment.rb文件的末尾添加require'composite_primary_keys' 3 - 添加了set_primary_keys

我的宝石列表如下所示：

abstract (1.0.0)
actionmailer (3.0.1)
actionpack (3.0.1)
activemodel (3.0.3, 3.0.1)
activerecord (3.0.1)
activeresource (3.0.1)
activesupport (3.0.3, 3.0.1)
arel (2.0.3, 1.0.1)
builder (2.1.2)
bundler (1.0.3)
composite_primary_keys (2.3.5.1)

我的域类看起来像这样：

class Radioreport < ActiveRecord::Base
  set_primary_keys :service_id, :date_id
  belongs_to :report_date, :foreign_key => "date_id"
  belongs_to :service, :foreign_key => "service_id"
  ...

我的环境文件如下所示：

 # Load the rails application
 require File.expand_path('../application', __FILE__)
 # Initialize the rails application
 Upreports::Application.initialize!
 require 'composite_primary_keys'

当我运行'rake test'时，我得到的错误如下：

rake aborted!
no such file to load -- composite_primary_keys

单元测试是：

require 'test_helper'
require 'rubygems'
require 'composite_primary_keys'

class RadioreportTest < ActiveSupport::TestCase
  fixtures :radioreports, :services, :genres, :groups, :locations, :report_dates
  def setup
    @radioReport = Radioreport.new
  end

  def test_should_put_all_radios_and_totals_in_a_hash
    transactions = Radioreport.find(:all)
    reportTransactions = @radioReport.getRadioTotalsByDayMap(transactions)
    assert_not_nil(reportTransactions)
    assert_equal(2, reportTransactions.size)
    previousKey = nil
    previousValue = nil 
    reportTransactions.each{|key, value|
      if(previousKey == nil || previousValue == nil) 
        previousKey = key
        previousValue = value
      else
        assert_not_nil(key)
        assert_not_equal(previousKey, key)
        assert_not_nil(value)
        assert_not_equal(previousValue, value)
      end
    }
  end

我检查了以下thread，但这个不适用。我已经检查了我的耙子，宝石等多谢你们！ ;）

Answer 1

根据discussion in Github，CPK尚不支持Rails 3.然而，似乎有人在各种分叉中工作以使其发挥作用。

Ruby错误没有这样的文件加载 - composite_primary_keys

1 个答案: