diff options
Diffstat (limited to 'activerecord/lib')
-rw-r--r-- | activerecord/lib/active_record/base.rb | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index f9de4b7918..7cc4f957fe 100644 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -1592,8 +1592,8 @@ MSG end # Duped objects have no id assigned and are treated as new records. Note - # that this is a "shallow" clone as it copies the object's attributes - # only, not its associations. The extent of a "deep" dup is application + # that this is a "shallow" copy as it copies the object's attributes + # only, not its associations. The extent of a "deep" copy is application # specific and is therefore left to the application to implement according # to its need. def initialize_dup(other) @@ -1602,8 +1602,12 @@ MSG cloned_attributes = other.clone_attributes(:read_attribute_before_type_cast) cloned_attributes.delete(self.class.primary_key) - @attributes = cloned_attributes - @changed_attributes = other.changed_attributes.dup + @attributes = cloned_attributes + + @changed_attributes = {} + attributes_from_column_definition.each do |attr, orig_value| + @changed_attributes[attr] = orig_value if field_changed?(attr, orig_value, @attributes[attr]) + end clear_aggregation_cache clear_association_cache |