diff options
Diffstat (limited to 'activerecord/lib')
-rw-r--r-- | activerecord/lib/active_record/attribute_set.rb | 2 | ||||
-rw-r--r-- | activerecord/lib/active_record/inheritance.rb | 2 | ||||
-rw-r--r-- | activerecord/lib/active_record/model_schema.rb | 28 |
3 files changed, 26 insertions, 6 deletions
diff --git a/activerecord/lib/active_record/attribute_set.rb b/activerecord/lib/active_record/attribute_set.rb index 66b278219a..01f9d815d5 100644 --- a/activerecord/lib/active_record/attribute_set.rb +++ b/activerecord/lib/active_record/attribute_set.rb @@ -64,7 +64,7 @@ module ActiveRecord end def deep_dup - dup.tap do |copy| + self.class.allocate.tap do |copy| copy.instance_variable_set(:@attributes, attributes.deep_dup) end end diff --git a/activerecord/lib/active_record/inheritance.rb b/activerecord/lib/active_record/inheritance.rb index fbdaeaae51..236a65eba7 100644 --- a/activerecord/lib/active_record/inheritance.rb +++ b/activerecord/lib/active_record/inheritance.rb @@ -217,7 +217,7 @@ module ActiveRecord def subclass_from_attributes(attrs) attrs = attrs.to_h if attrs.respond_to?(:permitted?) if attrs.is_a?(Hash) - subclass_name = attrs.with_indifferent_access[inheritance_column] + subclass_name = attrs[inheritance_column] || attrs[inheritance_column.to_sym] if subclass_name.present? find_sti_class(subclass_name) diff --git a/activerecord/lib/active_record/model_schema.rb b/activerecord/lib/active_record/model_schema.rb index 54216caaaf..013562708c 100644 --- a/activerecord/lib/active_record/model_schema.rb +++ b/activerecord/lib/active_record/model_schema.rb @@ -1,3 +1,5 @@ +require "monitor" + module ActiveRecord module ModelSchema extend ActiveSupport::Concern @@ -152,6 +154,8 @@ module ActiveRecord self.inheritance_column = "type" delegate :type_for_attribute, to: :class + + initialize_load_schema_monitor end # Derives the join table name for +first_table+ and +second_table+. The @@ -377,7 +381,7 @@ module ActiveRecord # default values when instantiating the Active Record object for this table. def column_defaults load_schema - _default_attributes.to_hash + @column_defaults ||= _default_attributes.to_hash end def _default_attributes # :nodoc: @@ -435,15 +439,27 @@ module ActiveRecord initialize_find_by_cache end + protected + + def initialize_load_schema_monitor + @load_schema_monitor = Monitor.new + end + private + def inherited(child_class) + super + child_class.initialize_load_schema_monitor + end + def schema_loaded? - defined?(@columns_hash) && @columns_hash + defined?(@schema_loaded) && @schema_loaded end def load_schema - unless schema_loaded? - load_schema! + return if schema_loaded? + @load_schema_monitor.synchronize do + load_schema! unless defined?(@columns_hash) && @columns_hash end end @@ -457,6 +473,8 @@ module ActiveRecord user_provided_default: false ) end + + @schema_loaded = true end def reload_schema_from_cache @@ -466,10 +484,12 @@ module ActiveRecord @attribute_types = nil @content_columns = nil @default_attributes = nil + @column_defaults = nil @inheritance_column = nil unless defined?(@explicit_inheritance_column) && @explicit_inheritance_column @attributes_builder = nil @columns = nil @columns_hash = nil + @schema_loaded = false @attribute_names = nil @yaml_encoder = nil direct_descendants.each do |descendant| |