lib/generators/templates/migration.rb.erb in sandboxy-2.0.0 vs lib/generators/templates/migration.rb.erb in sandboxy-3.0.0

@@ -1,14 +1,9 @@
 class SandboxyMigration < ActiveRecord::Migration<%= migration_version %>
-    def self.up
-        create_table :sandboxy, force: true do |t|
-            t.references :sandboxed, polymorphic: true, null: false
+    def change
+        create_table :sandboxy do |t|
+            t.references :sandboxed, polymorphic: true, index: true
+            t.string :environment, index: true
             t.timestamps
         end
-
-        add_index :sandboxy, ['sandboxed_id', 'sandboxed_type'], name: 'sandboxy_sandboxed'
-    end
-
-    def self.down
-        drop_table :sandboxy
     end
 end