diff options
Diffstat (limited to 'activerecord/lib/active_record')
4 files changed, 17 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/dirty.rb b/activerecord/lib/active_record/attribute_methods/dirty.rb index 84b942d559..43c15841c2 100644 --- a/activerecord/lib/active_record/attribute_methods/dirty.rb +++ b/activerecord/lib/active_record/attribute_methods/dirty.rb @@ -47,7 +47,7 @@ module ActiveRecord def initialize_dup(other) # :nodoc: super @mutation_tracker = AttributeMutationTracker.new(@attributes, - self.class._default_attributes.dup) + self.class._default_attributes.deep_dup) end def changes_applied diff --git a/activerecord/lib/active_record/attribute_set.rb b/activerecord/lib/active_record/attribute_set.rb index ee278388a4..026b3cf014 100644 --- a/activerecord/lib/active_record/attribute_set.rb +++ b/activerecord/lib/active_record/attribute_set.rb @@ -60,8 +60,14 @@ module ActiveRecord super end + def deep_dup + dup.tap do |copy| + copy.instance_variable_set(:@attributes, attributes.deep_dup) + end + end + def initialize_dup(_) - @attributes = attributes.deep_dup + @attributes = attributes.dup super end diff --git a/activerecord/lib/active_record/attribute_set/builder.rb b/activerecord/lib/active_record/attribute_set/builder.rb index 0c730d313f..f974b7a876 100644 --- a/activerecord/lib/active_record/attribute_set/builder.rb +++ b/activerecord/lib/active_record/attribute_set/builder.rb @@ -47,8 +47,14 @@ module ActiveRecord delegate_hash[key] = value end + def deep_dup + dup.tap do |copy| + copy.instance_variable_set(:@delegate_hash, delegate_hash.transform_values(&:dup)) + end + end + def initialize_dup(_) - @delegate_hash = delegate_hash.transform_values(&:dup) + @delegate_hash = Hash[delegate_hash] super end diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb index ffce2173ec..894d18b79e 100644 --- a/activerecord/lib/active_record/core.rb +++ b/activerecord/lib/active_record/core.rb @@ -296,7 +296,7 @@ module ActiveRecord # # Instantiates a single new object # User.new(first_name: 'Jamie') def initialize(attributes = nil) - @attributes = self.class._default_attributes.dup + @attributes = self.class._default_attributes.deep_dup self.class.define_attribute_methods init_internals @@ -366,7 +366,7 @@ module ActiveRecord ## def initialize_dup(other) # :nodoc: - @attributes = @attributes.dup + @attributes = @attributes.deep_dup @attributes.reset(self.class.primary_key) _run_initialize_callbacks |