diff options
| -rw-r--r-- | activerecord/lib/active_record/persistence.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/persistence.rb b/activerecord/lib/active_record/persistence.rb index b587abd5d0..869cbf5b2e 100644 --- a/activerecord/lib/active_record/persistence.rb +++ b/activerecord/lib/active_record/persistence.rb @@ -110,6 +110,10 @@ module ActiveRecord # * updated_at/updated_on column is updated if that column is available # * does not work on associations # * does not work on attr_accessor attributes. The attribute that is being updated must be column name. + # * does not work on new record. <tt>record.new_record?</tt> should return false for this method to work. + # * updates only the attribute that is input to the method. If there are other changed attributes then + # those attributes are left alone. In that case even after this method has done its work <tt>record.changed?</tt> + # will return true. # def update_attribute(name, value) raise ActiveRecordError, "#{name.to_s} is marked as readonly" if self.class.readonly_attributes.include? name.to_s |