diff options
-rw-r--r-- | activerecord/lib/active_record/associations.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index 14af55f327..35bc09bb10 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -1245,6 +1245,10 @@ module ActiveRecord # that is the inverse of this <tt>has_many</tt> association. Does not work in combination # with <tt>:through</tt> or <tt>:as</tt> options. # See ActiveRecord::Associations::ClassMethods's overview on Bi-directional associations for more detail. + # [:extend] + # Specifies a module or array of modules that will be extended into the association object returned. + # Useful for defining methods on associations, especially when they should be shared between multiple + # association objects. # # Option examples: # has_many :comments, -> { order "posted_on" } |