acts_as_versioned and migrations

rubyonrails-talk
1

does anybody knows why this error happens?

you can see a better formattation here: Parked at Loopia

thanks.

#model   # Acts   acts_as_versioned :version_column => :version do     def self.included(base)       base.belongs_to :category,         :class_name => "Category",         :foreign_key => "category_id"       base.belongs_to :state,         :class_name => "Articlestate",         :foreign_key => "articlestate_id"       base.belongs_to :author,         :class_name => "User",         :foreign_key => "author_id",         :order => "login"       base.belongs_to :revisor,         :class_name => "User",         :foreign_key => "revisor_id"     end   end   # This is used in migrations, do not version defined columns.   self.non_versioned_columns << 'comments_count' << 'hits'

#migration class AddVersions < ActiveRecord::Migration   def self.up     Article.create_versioned_table   end

  def self.down     Article.drop_versioned_table   end

end

#result == AddVersions: reverting