lib/temping.rb in temping-3.0.2 vs lib/temping.rb in temping-3.1.0

@@ -27,9 +27,10 @@
 
     def build
       Class.new(ActiveRecord::Base).tap do |klass|
         Object.const_set(@model_name, klass)
 
+        klass.primary_key = :id
         create_table
         add_methods
       end
     end