class ActsAsFavoritorMigration < ActiveRecord::Migration<% if Rails::VERSION::MAJOR >= 5 %>[Rails::VERSION::STRING[0..2].to_f]<% end %> def self.up create_table :favorites, force: true do |t| t.references :favoritable, polymorphic: true, null: false t.references :favoritor, polymorphic: true, null: false t.string :scope, default: 'favorites', null: false t.boolean :blocked, default: false, null: false t.timestamps end add_index :favorites, ['favoritor_id', 'favoritor_type'], name: 'fk_favorites' add_index :favorites, ['favoritable_id', 'favoritable_type'], name: 'fk_favoritables' end def self.down drop_table :favorites end end