Question

Ruby新手，决定从Padrino框架开始

正在关注http://padrinorb.com/guides/getting-started/blog-tutorial/

我使用padrino g project blog-tutorial -e erb -c scss -s jquery -d sequel -a mysql2 -b创建了我的项目，然后我尝试制作模型padrino g model post title:string body:text created_at:datetime

但我得到一个错误：

/home/user/.rvm/gems/ruby-2.4.1/gems/sequel-5.1.0/lib/sequel/model/base.rb:914:in `require': cannot load such file -- sequel/plugins/schema (LoadError)
        from /home/user/.rvm/gems/ruby-2.4.1/gems/sequel-5.1.0/lib/sequel/model/base.rb:914:in `plugin_module'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/sequel-5.1.0/lib/sequel/model/base.rb:533:in `plugin'
        from /home/user/Sites/blog-tutorial/config/database.rb:1:in `<top (required)>'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/padrino-core-0.14.1.1/lib/padrino-core/reloader.rb:91:in `require'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/padrino-core-0.14.1.1/lib/padrino-core/reloader.rb:91:in `safe_load'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/padrino-core-0.14.1.1/lib/padrino-core/loader.rb:154:in `block in require_dependencies'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/padrino-core-0.14.1.1/lib/padrino-core/loader.rb:152:in `each'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/padrino-core-0.14.1.1/lib/padrino-core/loader.rb:152:in `require_dependencies'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/padrino-core-0.14.1.1/lib/padrino-core/loader.rb:57:in `load!'
        from /home/user/Sites/blog-tutorial/config/boot.rb:60:in `<top (required)>'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/padrino-gen-0.14.1.1/lib/padrino-gen/generators/cli.rb:26:in `require'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/padrino-gen-0.14.1.1/lib/padrino-gen/generators/cli.rb:26:in `load_boot'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/thor-0.20.0/lib/thor/command.rb:27:in `run'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/thor-0.20.0/lib/thor/invocation.rb:126:in `invoke_command'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/thor-0.20.0/lib/thor/invocation.rb:133:in `block in invoke_all'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/thor-0.20.0/lib/thor/invocation.rb:133:in `each'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/thor-0.20.0/lib/thor/invocation.rb:133:in `map'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/thor-0.20.0/lib/thor/invocation.rb:133:in `invoke_all'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/thor-0.20.0/lib/thor/group.rb:232:in `dispatch'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/thor-0.20.0/lib/thor/base.rb:466:in `start'
        from /home/user/.rvm/gems/ruby-2.4.1/gems/padrino-gen-0.14.1.1/bin/padrino-gen:16:in `<main>'

无法找到解决方案（mysql-devel已安装，mysql2 gem也是如此）

config/database.rb具有数据库连接的有效凭据，例如mysql2://root:1@localhost/my_db。还尝试在参数

中传递用户/密码

Answer 1

架构插件在续集4.45.0中已弃用，已在续集5.0.0中删除。在创建模型类之前，切换到使用迁移或直接调用Sequel :: Database模式修改方法。

Answer 2

Sequel gem无法找到架构插件，但博客教程项目似乎并不需要它。打开blog-tutorial / config / database.rb文件，注释掉第一行：

#Sequel::Model.plugin(:schema)
Sequel::Model.raise_on_save_failure = false # Do not throw exceptions on failure
Sequel::Model.db = case Padrino.env
  when :development then Sequel.connect("sqlite://db/blog_tutorial_development.db", :loggers => [logger])
  when :production  then Sequel.connect("sqlite://db/blog_tutorial_production.db",  :loggers => [logger])
  when :test        then Sequel.connect("sqlite://db/blog_tutorial_test.db",        :loggers => [logger])
end

我测试了整个项目，除了最后的RSS提要部分，一切都适合我。

padrino g：无法加载此类文件 - 续集/插件/架构

2 个答案: