socialforge/db/migrate/20150820022416_create_user_activity.rb

class CreateUserActivity < ActiveRecord::Migration
  def up
    create_table :user_activities do |t|
      t.string :act_type
      t.integer :act_id
      t.string :container_type
      t.integer :container_id

      t.timestamps
    end
  end

  def down
    drop_table :user_activities
  end
end