db:fixtures:dump

Adds db:fixtures:dump rake task to dump all ActiveRecord tables into yaml fixtures

May not work for tables with serialized columns.

Add this line to your application's Gemfile:

gem 'db_fixtures_dump'

And then execute:

$ bundle

Or install it yourself as:

$ gem install db_fixtures_dump

$ rake db:fixtures:dump

Just like for the db:fixtures:load , you may specify FIXTURES_PATH to be used as the output directory.

$ FIXTURES_PATH=db/backup rake db:fixtures:dump

You can exclude models by specifying a list as EXCLUDE_MODELS.

$ EXCLUDE_MODELS="MyLegacyModel AnotherOne" rake db:fixtures:dump

Or in combination with FIXTURES_PATH,

$ EXCLUDE_MODELS="MyLegacyModel AnotherOne" FIXTURES_PATH=test/fixtures rake db:fixtures:dump

You can include only some models by specifying a list as INCLUDE_MODELS.

$ INCLUDE_MODELS="MyLegacyModel AnotherOne" rake db:fixtures:dump

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request

Original gists:

• http://snippets.dzone.com/posts/show/4468 by Michael Boutros
• https://gist.github.com/iiska/1527911

Making a rake task into a gem:

• http://blog.nathanhumbert.com/2010/02/rails-3-loading-rake-tasks-from-gem.html