Parent
ActiveRecord::Migration[<%= ActiveRecord::Migration.current_version %>] def change create_table :versions do |t| t.string :versionable_type, null: false t.integer :versionable_id, null: false t.string :event, null: false t.string :committer t.text :object t.boolean :draft, default: false t.text :commit_message t.datetime :committed_at t.timestamps null: false end add_index :versions, [:versionable_type, :versionable_id] end end