这个 rake db:seed 错误是什么意思? [英] What does this rake db:seed error mean?

问题描述

我已经尝试解决这个问题几个小时了，但我似乎无法理解发生了什么.

I've been trying to solve this problem for a couple of hours but I can't seem to understand what's going on.

我正在使用 Rails 3 测试版，并希望将一些数据植入数据库.但是，当我尝试通过 db:seed 播种一些值时，出现此错误:

I'm using Rails 3 beta, and want to seed some data to the database. However, when I try to seed some values through db:seed, I get this error:

抽水中止！

属性(#81402440)预期，得到数组(#69024170)

Attribute(#81402440) expected, got Array(#69024170)

seeds.rb 是:

The seeds.rb is:

DataType.delete_all
DataType.create(
  :name => 'String'
)

我得到了这些课程:

class DataType < ActiveRecord::Base
  has_many :attributes
end

class Attribute < ActiveRecord::Base
  belongs_to :data_types
end

澄清一下，目的是让 Attribute 对象具有一种数据类型(例如 String、Number 等).

Just to clarify, the intention is having Attribute objects have one data type (such as String, Number, etc.).

虽然 DataType 的迁移定义仅仅是:

While the migration definition for DataType is merely:

class CreateDataTypes < ActiveRecord::Migration
  def self.up
    create_table :data_types do |t|
      t.string :name

      t.timestamps
    end
  end

  def self.down
    drop_table :data_types
  end
end

谁能告诉我我做错了什么?

Can anyone tell me what I'm doing wrong?

推荐答案

属性"可能与某些内容发生冲突.尝试重命名您的 Attribute 模型.

"Attribute" may be conflicting with something. Try renaming your Attribute model.

这篇关于这个 rake db:seed 错误是什么意思?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！