无法使Postgresql数据库使用Rails 3
无法使Postgresql数据库使用Rails 3
提问于 2011-03-24 07:05:02
环境
- Windows 7 64位
- Ruby 1.8.7
- Rails 3.0.0
- pg AdminIII
- PostgreSQL 9.0.3
- 西格温
Gemfile
http://i54.tinypic.com/27yzxv4.png
数据库Config
http://i53.tinypic.com/288b7ma.png
步骤我已经采取了
- 我尝试在宝石文件中添加"gem 'postgres-pr'，:require => 'pg'“
- 已尝试安装postgres、的多个变体
- 邮递员
- pg
- 红宝石-pg
在尝试运行rake :migrate时，我不断地收到此错误。
rake aborted!
no such file to load -- pg
/usr/lib/ruby/gems/1.8/gems/bundler-1.0.10/lib/bundler/runtime.rb:68:in `require'
/usr/lib/ruby/gems/1.8/gems/bundler-1.0.10/lib/bundler/runtime.rb:68:in `require'
/usr/lib/ruby/gems/1.8/gems/bundler-1.0.10/lib/bundler/runtime.rb:66:in `each'
/usr/lib/ruby/gems/1.8/gems/bundler-1.0.10/lib/bundler/runtime.rb:66:in `require'
/usr/lib/ruby/gems/1.8/gems/bundler-1.0.10/lib/bundler/runtime.rb:55:in `each'
/usr/lib/ruby/gems/1.8/gems/bundler-1.0.10/lib/bundler/runtime.rb:55:in `require'
/usr/lib/ruby/gems/1.8/gems/bundler-1.0.10/lib/bundler.rb:120:in `require'
/home/Other/rails_projects/test_project/config/application.rb:7
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:29:in `gem_original_require'
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:29:in `require'
/home/Other/rails_projects/test_project/Rakefile:4
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2383:in `load'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2383:in `raw_load_rakefile'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2017:in `load_rakefile'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2016:in `load_rakefile'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2000:in `run'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run'
/usr/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:31
/usr/bin/rake:19:in `load'
/usr/bin/rake:19在这里待了几天，真的需要帮助。提前感谢！
回答 2
Stack Overflow用户
发布于 2011-03-24 10:07:42
您需要为gem指定正确的平台。在我的个人档案里，我有：
group :development, :test do
gem 'pg', :platforms => :mingw
end(这个组之所以存在，是因为我部署到了Unix盒，在那里平台显然是不同的)。我似乎还记得，我还需要DevKit才能使其工作。
Stack Overflow用户
发布于 2011-03-24 10:05:50
您需要安装pg并将其添加到Gemfile中
gem 'pg'页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/5415813
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