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With a multiple database application `db:rollback` becomes problematic. We can't rollback just the primary, that doesn't match the behavior in the other tasks. We can't rollback a migration for every database, that is unexpected. To solve this I handled `db:rollback` the same way I handled `:up` and `:down`. If `db:rollback` is called for a multi-db application then it will raise an error recommending you use `db:rollback:[NAME]` instead. Calling `db:rollback:primary` or `db:rollback:animals` will rollback the migration for the number of steps specified. Closes: #38513 Follow-up to: #34078 |
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| README.rdoc | ||
= Railties -- Gluing the Engine to the Rails Railties is responsible for gluing all frameworks together. Overall, it: * handles the bootstrapping process for a Rails application; * manages the +rails+ command line interface; * and provides the Rails generators core. == Download The latest version of Railties can be installed with RubyGems: * gem install railties Source code can be downloaded as part of the Rails project on GitHub * https://github.com/rails/rails/tree/master/railties == License Railties is released under the MIT license: * https://opensource.org/licenses/MIT == Support API documentation is at * https://api.rubyonrails.org Bug reports can be filed for the Ruby on Rails project here: * https://github.com/rails/rails/issues Feature requests should be discussed on the rails-core mailing list here: * https://groups.google.com/forum/?fromgroups#!forum/rubyonrails-core