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author | Xavier Noria <fxn@hashref.com> | 2010-11-16 15:55:43 +0100 |
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committer | Xavier Noria <fxn@hashref.com> | 2010-11-16 15:58:37 +0100 |
commit | a820d0afdd4a09e0902d7b7c4d9724f50089d254 (patch) | |
tree | 6b81a7f7038d6c37bab12808947c3f673c20c42d /activerecord/lib/active_record/base.rb | |
parent | 4718d097ffe3af965f3ea7218156050507eabe4f (diff) | |
download | rails-a820d0afdd4a09e0902d7b7c4d9724f50089d254.tar.gz rails-a820d0afdd4a09e0902d7b7c4d9724f50089d254.tar.bz2 rails-a820d0afdd4a09e0902d7b7c4d9724f50089d254.zip |
revises RDoc of AR::Base#==
Diffstat (limited to 'activerecord/lib/active_record/base.rb')
-rw-r--r-- | activerecord/lib/active_record/base.rb | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index 658c6d7b45..b35f59d6df 100644 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -1582,7 +1582,15 @@ MSG self.class.columns_hash[name.to_s] end - # Returns true if the +comparison_object+ is the same object, or is of the same type and has the same id. + # Returns true if +comparison_object+ is the same exact object, or +comparison_object+ + # is of the same type and +self+ has an ID and it is equal to +comparison_object.id+. + # + # Note that new records are different from any other record by definition, unless the + # other record is the receiver itself. Besides, if you fetch existing records with + # +select+ and leave the ID out, you're on your own, this predicate will return false. + # + # Note also that destroying a record preserves its ID in the model instance, so deleted + # models are still comparable. def ==(comparison_object) comparison_object.equal?(self) || comparison_object.instance_of?(self.class) && |