diff options
Diffstat (limited to 'activerecord/lib/active_record/attribute_methods/primary_key.rb')
-rw-r--r-- | activerecord/lib/active_record/attribute_methods/primary_key.rb | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/primary_key.rb b/activerecord/lib/active_record/attribute_methods/primary_key.rb index 82d94b848a..75ae06f5e9 100644 --- a/activerecord/lib/active_record/attribute_methods/primary_key.rb +++ b/activerecord/lib/active_record/attribute_methods/primary_key.rb @@ -3,10 +3,11 @@ module ActiveRecord module PrimaryKey extend ActiveSupport::Concern - # Returns this record's primary key value wrapped in an Array - # or nil if the record is a new_record? + # Returns this record's primary key value wrapped in an Array or nil if + # the record is not persisted? or has just been destroyed. def to_key - new_record? ? nil : [ id ] + key = send(self.class.primary_key) + [key] if key end module ClassMethods |