1 class AddPublishDateOnOp < ActiveRecord::Migration
3 add_column :original_pictures, :uploaded_at, :datetime
4 add_column :original_pictures, :published_at, :datetime
5 add_column :original_pictures, :stopped_at, :datetime
9 remove_column :original_pictures, :uploaded_at
10 remove_column :original_pictures, :published_at
11 remove_column :original_pictures, :stopped_at