rake db:migrate产生“rake aborted!找不到表”错误

时间:2010-09-21 15:03:11

标签: ruby-on-rails rake migrate sqlite3-ruby

我是Rails的新手,我正在为我的雇主构建一个简单的项目跟踪应用程序。我一直在我的Mac上开发应用程序并将其推送到github。我只是设法将我的github repo克隆到我公司防火墙后面的一个Windows框中,希望让同事们试用这个应用程序。

但是当我去rake db:migrate来初始化windows框中的数据库时,我收到以下错误消息:

$ rake db:migrate --trace
** Invoke db:migrate (first_time)
** Invoke environment (first_time)
** Execute environment
rake aborted!
Could not find table 'projects'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_reco
rd/connection_adapters/sqlite3_adapter.rb:29:in `table_structure'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/faker-0.3.1/lib/extensions/object.
rb:3:in `returning'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_reco
rd/connection_adapters/sqlite3_adapter.rb:28:in `table_structure'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_reco
rd/connection_adapters/sqlite_adapter.rb:228:in `columns'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_reco
rd/base.rb:1271:in `columns'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_reco
rd/base.rb:1279:in `columns_hash'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_reco
rd/base.rb:1578:in `find_one'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_reco
rd/base.rb:1569:in `find_from_ids'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/activerecord-2.3.5/lib/active_reco
rd/base.rb:616:in `find'
c:/Rails_Projects/molex_app/config/routes.rb:15
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/actionpack-2.3.5/lib/action_contro
ller/routing/route_set.rb:226:in `draw'
c:/Rails_Projects/molex_app/config/routes.rb:1
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_sup
port/dependencies.rb:145:in `load_without_new_constant_marking'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_sup
port/dependencies.rb:145:in `load'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_sup
port/dependencies.rb:521:in `new_constants_in'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_sup
port/dependencies.rb:145:in `load'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/actionpack-2.3.5/lib/action_contro
ller/routing/route_set.rb:286:in `load_routes!'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/actionpack-2.3.5/lib/action_contro
ller/routing/route_set.rb:286:in `each'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/actionpack-2.3.5/lib/action_contro
ller/routing/route_set.rb:286:in `load_routes!'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/actionpack-2.3.5/lib/action_contro
ller/routing/route_set.rb:266:in `reload!'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:537
:in `initialize_routing'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:188
:in `process'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:113
:in `send'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/initializer.rb:113
:in `run'
c:/Rails_Projects/molex_app/config/environment.rb:9
c:/RubyonRails/Ruby187/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `
gem_original_require'
c:/RubyonRails/Ruby187/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `
require'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_sup
port/dependencies.rb:156:in `require'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_sup
port/dependencies.rb:521:in `new_constants_in'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/activesupport-2.3.5/lib/active_sup
port/dependencies.rb:156:in `require'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rails-2.3.5/lib/tasks/misc.rake:4
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:617:in `cal
l'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:617:in `exe
cute'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:612:in `eac
h'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:612:in `exe
cute'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:578:in `inv
oke_with_call_chain'
c:/RubyonRails/Ruby187/lib/ruby/1.8/monitor.rb:242:in `synchronize'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:571:in `inv
oke_with_call_chain'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:588:in `inv
oke_prerequisites'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:585:in `eac
h'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:585:in `inv
oke_prerequisites'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:577:in `inv
oke_with_call_chain'
c:/RubyonRails/Ruby187/lib/ruby/1.8/monitor.rb:242:in `synchronize'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:571:in `inv
oke_with_call_chain'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:564:in `inv
oke'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2019:in `in
voke_task'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `to
p_level'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `ea
ch'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1997:in `to
p_level'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2036:in `st
andard_exception_handling'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1991:in `to
p_level'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1970:in `ru
n'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:2036:in `st
andard_exception_handling'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/lib/rake.rb:1967:in `ru
n'
c:/RubyonRails/Ruby187/lib/ruby/gems/1.8/gems/rake-0.8.3/bin/rake:31
c:/RubyonRails/Ruby187/bin/rake:19:in `load'
c:/RubyonRails/Ruby187/bin/rake:19

我的宝石列表如下所示:

$ gem list

*** LOCAL GEMS ***

actionmailer (2.3.5)
actionpack (2.3.5)
activerecord (2.3.5)
activeresource (2.3.5)
activesupport (2.3.5)
faker (0.3.1)
rack (1.0.1, 1.0.0)
rails (2.3.5)
rake (0.8.3)
sqlite3-ruby (1.3.0 x86-mingw32)
will_paginate (2.3.12)

Windows框中的schema.rb文件如下所示:

# This file is auto-generated from the current state of the database. Instead of editing this file, 
# please use the migrations feature of Active Record to incrementally modify your database, and
# then regenerate this schema definition.
#
# Note that this schema.rb definition is the authoritative source for your database schema. If you need
# to create the application database on another system, you should be using db:schema:load, not running
# all the migrations from scratch. The latter is a flawed and unsustainable approach (the more migrations
# you'll amass, the slower it'll run and the greater likelihood for issues).
#
# It's strongly recommended to check this file into your version control system.

ActiveRecord::Schema.define(:version => 20100915193510) do

  create_table "assets", :force => true do |t|
    t.integer  "project_id"
    t.datetime "created_at"
    t.datetime "updated_at"
    t.string   "image_file_name"
    t.string   "image_content_type"
    t.integer  "image_file_size"
    t.datetime "image_updated_at"
  end

  create_table "macroposts", :force => true do |t|
    t.text     "content"
    t.integer  "user_id"
    t.integer  "project_id"
    t.datetime "created_at"
    t.datetime "updated_at"
  end

  create_table "projects", :force => true do |t|
    t.string   "title"
    t.integer  "status",             :limit => 255
    t.integer  "program_manager_id"
    t.integer  "design_engineer_id"
    t.string   "sales_engineer"
    t.string   "customer"
    t.string   "market_size"
    t.string   "project_code"
    t.datetime "created_at"
    t.datetime "updated_at"
  end

  add_index "projects", ["design_engineer_id"], :name => "index_projects_on_design_engineer_id"
  add_index "projects", ["program_manager_id"], :name => "index_projects_on_program_manager_id"

  create_table "statuses", :force => true do |t|
    t.string   "status_name"
    t.integer  "status_code"
    t.datetime "created_at"
    t.datetime "updated_at"
  end

  create_table "users", :force => true do |t|
    t.string   "name"
    t.string   "email"
    t.datetime "created_at"
    t.datetime "updated_at"
    t.string   "encrypted_password"
    t.string   "salt"
    t.string   "remember_token"
    t.boolean  "admin",               :default => false
    t.string   "avatar_file_name"
    t.string   "avatar_content_type"
    t.integer  "avatar_file_size"
    t.datetime "avatar_updated_at"
  end

  add_index "users", ["email"], :name => "index_users_on_email", :unique => true
  add_index "users", ["remember_token"], :name => "index_users_on_remember_token"

end

由于这是我第一次在这台机器上运行迁移,我希望迁移过程中的任何内容都不应该在创建之前访问“项目”表。但是我注意到“projects”表没有在schema.rb中列出,直到与它相关联的几个表(assets,macroposts。)之后才是问题的根源?

或者是某种宝石依赖问题在这里工作?我注意到'faker'宝石显示在错误列表的顶部,即使我甚至没有真正使用它,除了在我的测试中(从Michael Hartl的RailsTutorial.org复制。)

感谢您提供任何帮助或建议!

Dean Richardson Genlighten.com

4 个答案:

答案 0 :(得分:13)

在过去的几个星期里,我一直在努力解决这个问题。当我用rake db:migrate运行--trace.时,答案才变得清晰。在那里,我注意到堆栈跟踪抱怨factory_girl无法实例化丢失的表项。

我进入了我的factory.rb文件并删除了有问题的模型,之后我就可以运行rake db:migrate了。另外,对我来说问题是:

Factory.define :table1 do |b|
  b.name "table1"
  b.rating 5
  b.table2_relation Factory(:table2)
end

在这种情况下,工厂内的工厂试图在rake任务期间插入。由于该表尚不存在,它已经爆炸了。在一点点帮助下,我发现正确的方法是:

Factory.define :table1 do |b|
  b.name "table1"
  b.rating 5
  b.table2_relation {Factory(:table2)}
end

答案 1 :(得分:5)

我刚遇到同样的问题。 rake db:create可以正常运行,但运行其他任何内容(例如rake db:schema:loadrake db:migrate)都会因错误的表格而失败。克里斯海因的回答指出了我正确的方向。丢失的表在规范中被引用,并且由于某种原因,它们在rake任务运行之前作为环境的一部分被加载。我刚刚移动了specs文件夹,运行了rake任务,并将其移回。

答案 2 :(得分:0)

可能想尝试rake db:create同时确保配置文件指向您想要的sql server是正确的。

还要确保所有迁移文件都很好,并且没有任何语法错误或类似的内容。

答案 3 :(得分:0)

有类似的问题,而且正如Chris所指出的那样与factory_girl有关。这种方式似乎是解决它的一种更简单的方法:

在Gemfile中,定义像这样的工厂女孩​​:

gem 'factory_girl_rails', :require => false

然后在spec_helper.rb文件中:

require 'factory_girl_rails'

以下是原始答案的链接:FactoryGirl screws up rake db:migrate process