4 mysql gem ruby-on-rails heroku ruby-on-rails-4
在我的gemfile中:
group :development, :test,:production do
gem 'mysql2', '~> 0.3.16'
end
在日志中:
$ heroku run rake db:migrate
Running rake db:migrate attached to terminal... up, run.3758
rake aborted!
Gem::LoadError: Specified 'mysql' for database adapter, but the gem is not loaded. Add gem 'mysql' to your Gemfile (and ensure its version is
at the minimum required by ActiveRecord).
我为应用程序添加了"cleardb"附加组件.现在我想使用它.但是,由于我遇到上述错误,我无法迁移到数据库.
设置时DATABASE_URL,需要指定使用mysql2://而不是mysql://
像这样的东西:
heroku config:set DATABASE_URL='mysql2://adffdadf2341:adf4234@us-cdbr-east.cleardb.com/heroku_db?reconnect=true'
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