class CreateEvents < ActiveRecord::Migration def self.up create_table :events do |t| t.integer :user_id, :null => false t.integer :project_id, :null => false t.integer :action, :null => false t.string :data # Additional data t.text :body t.integer :target_id t.string :target_type t.timestamps end add_index :events, :user_id add_index :events, :project_id end def self.down drop_table :events end end