BigW Consortium Gitlab
class AddLastActivityColumnIntoProject < ActiveRecord::Migration def up add_column :projects, :last_activity_at, :datetime add_index :projects, :last_activity_at Project.find_each do |project|
last_activity_date = if project.last_activity project.last_activity.created_at else project.updated_at end project.update_attribute(:last_activity_at, last_activity_date)
end end def down remove_index :projects, :last_activity_at remove_column :projects, :last_activity_at end end