diff options
Diffstat (limited to 'activerecord/lib/active_record/associations.rb')
| -rw-r--r-- | activerecord/lib/active_record/associations.rb | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index 714f623af3..142d21ce92 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -130,7 +130,6 @@ module ActiveRecord autoload :JoinDependency, 'active_record/associations/join_dependency' autoload :AssociationScope, 'active_record/associations/association_scope' autoload :AliasTracker, 'active_record/associations/alias_tracker' - autoload :JoinHelper, 'active_record/associations/join_helper' end # Clears out the association cache. @@ -669,11 +668,14 @@ module ActiveRecord # and member posts that use the posts table for STI. In this case, there must be a +type+ # column in the posts table. # + # Note: The <tt>attachable_type=</tt> method is being called when assigning an +attachable+. + # The +class_name+ of the +attachable+ is passed as a String. + # # class Asset < ActiveRecord::Base # belongs_to :attachable, polymorphic: true # - # def attachable_type=(sType) - # super(sType.to_s.classify.constantize.base_class.to_s) + # def attachable_type=(class_name) + # super(class_name.constantize.base_class.to_s) # end # end # @@ -1213,7 +1215,8 @@ module ActiveRecord # Returns the associated object. +nil+ is returned if none is found. # [association=(associate)] # Assigns the associate object, extracts the primary key, sets it as the foreign key, - # and saves the associate object. + # and saves the associate object. To avoid database inconsistencies, permanently deletes an existing + # associated object when assigning a new one, even if the new one isn't saved to database. # [build_association(attributes = {})] # Returns a new object of the associated type that has been instantiated # with +attributes+ and linked to this object through a foreign key, but has not @@ -1581,7 +1584,7 @@ module ActiveRecord hm_options[:through] = middle_reflection.name hm_options[:source] = join_model.right_reflection.name - [:before_add, :after_add, :before_remove, :after_remove].each do |k| + [:before_add, :after_add, :before_remove, :after_remove, :autosave].each do |k| hm_options[k] = options[k] if options.key? k end |