rails-acts_as_paranoidの履歴

参考
Github
[Github for rails 3.1>https://github.com/goncalossilva/rails3_acts_as_paranoid/tre...]]

1. installing

<pre>
> vi Gemfile

gem 'rails3_acts_as_paranoid', '~>0.1.4'

:wq

> bundle
...
Installing rails3_acts_as_paranoid (0.1.4)
...
Your bundle is complete! ...
</pre>

2. setting for migration

<pre>
vi db/migrate/yyyymmddhhmiss_update_modelname.rb

yyyymmddhhmiss: replace datetime, modelname: replace real model name

class UpdateModelname < ActiveRecord::Migration
def self.up
add_column :modelname, :deleted_at, :datetime
end
def self.down
remove_column :modelname, :deleted_at
end
end

:wq

> rake db:migrate
</pre>

3. setting for model

<pre>
vi app/models/modelname.rb

class Modelname < ActiveRecord::Base
acts_as_paranoid
end

:wq

> rails server

require reboots

</pre>

done!

※一応動作確認出来ました。