diff options
Diffstat (limited to 'activerecord/lib')
7 files changed, 108 insertions, 85 deletions
diff --git a/activerecord/lib/active_record/attribute_assignment.rb b/activerecord/lib/active_record/attribute_assignment.rb index 6992840040..a54c103476 100644 --- a/activerecord/lib/active_record/attribute_assignment.rb +++ b/activerecord/lib/active_record/attribute_assignment.rb @@ -84,11 +84,11 @@ module ActiveRecord def assign_attributes(new_attributes, options = {}) return if new_attributes.blank? - attributes = new_attributes.stringify_keys - multi_parameter_attributes = [] + attributes = new_attributes.stringify_keys + multi_parameter_attributes = [] nested_parameter_attributes = [] - previous_options = @mass_assignment_options - @mass_assignment_options = options + previous_options = @mass_assignment_options + @mass_assignment_options = options unless options[:without_protection] attributes = sanitize_for_mass_assignment(attributes, mass_assignment_role) @@ -97,23 +97,16 @@ module ActiveRecord attributes.each do |k, v| if k.include?("(") multi_parameter_attributes << [ k, v ] - elsif respond_to?("#{k}=") - if v.is_a?(Hash) - nested_parameter_attributes << [ k, v ] - else - send("#{k}=", v) - end + elsif v.is_a?(Hash) + nested_parameter_attributes << [ k, v ] else - raise(UnknownAttributeError, "unknown attribute: #{k}") + _assign_attribute(k, v) end end # assign any deferred nested attributes after the base attributes have been set - nested_parameter_attributes.each do |k,v| - send("#{k}=", v) - end - - assign_multiparameter_attributes(multi_parameter_attributes) + nested_parameter_attributes.each { |k,v| _assign_attribute(k, v) } + assign_multiparameter_attributes(multi_parameter_attributes) unless multi_parameter_attributes.empty? ensure @mass_assignment_options = previous_options end @@ -130,6 +123,16 @@ module ActiveRecord private + def _assign_attribute(k, v) + public_send("#{k}=", v) + rescue NoMethodError + if respond_to?("#{k}=") + raise + else + raise UnknownAttributeError, "unknown attribute: #{k}" + end + end + # Instantiates objects for all attribute classes that needs more than one constructor parameter. This is done # by calling new on the column type or aggregation type (through composed_of) object with these parameters. # So having the pairs written_on(1) = "2004", written_on(2) = "6", written_on(3) = "24", will instantiate diff --git a/activerecord/lib/active_record/attribute_methods/serialization.rb b/activerecord/lib/active_record/attribute_methods/serialization.rb index 49ab3ab808..33d7cc7f34 100644 --- a/activerecord/lib/active_record/attribute_methods/serialization.rb +++ b/activerecord/lib/active_record/attribute_methods/serialization.rb @@ -10,6 +10,37 @@ module ActiveRecord self.serialized_attributes = {} end + module ClassMethods + # If you have an attribute that needs to be saved to the database as an object, and retrieved as the same object, + # then specify the name of that attribute using this method and it will be handled automatically. + # The serialization is done through YAML. If +class_name+ is specified, the serialized object must be of that + # class on retrieval or SerializationTypeMismatch will be raised. + # + # ==== Parameters + # + # * +attr_name+ - The field name that should be serialized. + # * +class_name+ - Optional, class name that the object type should be equal to. + # + # ==== Example + # # Serialize a preferences attribute + # class User < ActiveRecord::Base + # serialize :preferences + # end + def serialize(attr_name, class_name = Object) + include Behavior + + coder = if [:load, :dump].all? { |x| class_name.respond_to?(x) } + class_name + else + Coders::YAMLColumn.new(class_name) + end + + # merge new serialized attribute and create new hash to ensure that each class in inheritance hierarchy + # has its own hash of own serialized attributes + self.serialized_attributes = serialized_attributes.merge(attr_name.to_s => coder) + end + end + class Type # :nodoc: def initialize(column) @column = column @@ -44,71 +75,50 @@ module ActiveRecord end end - module ClassMethods - # If you have an attribute that needs to be saved to the database as an object, and retrieved as the same object, - # then specify the name of that attribute using this method and it will be handled automatically. - # The serialization is done through YAML. If +class_name+ is specified, the serialized object must be of that - # class on retrieval or SerializationTypeMismatch will be raised. - # - # ==== Parameters - # - # * +attr_name+ - The field name that should be serialized. - # * +class_name+ - Optional, class name that the object type should be equal to. - # - # ==== Example - # # Serialize a preferences attribute - # class User < ActiveRecord::Base - # serialize :preferences - # end - def serialize(attr_name, class_name = Object) - coder = if [:load, :dump].all? { |x| class_name.respond_to?(x) } - class_name - else - Coders::YAMLColumn.new(class_name) - end + # This is only added to the model when serialize is called, which + # ensures we do not make things slower when serialization is not used. + module Behavior #:nodoc: + extend ActiveSupport::Concern - # merge new serialized attribute and create new hash to ensure that each class in inheritance hierarchy - # has its own hash of own serialized attributes - self.serialized_attributes = serialized_attributes.merge(attr_name.to_s => coder) - end - - def initialize_attributes(attributes, options = {}) #:nodoc: - serialized = (options.delete(:serialized) { true }) ? :serialized : :unserialized - super(attributes, options) + module ClassMethods + def initialize_attributes(attributes, options = {}) + serialized = (options.delete(:serialized) { true }) ? :serialized : :unserialized + super(attributes, options) - serialized_attributes.each do |key, coder| - if attributes.key?(key) - attributes[key] = Attribute.new(coder, attributes[key], serialized) + serialized_attributes.each do |key, coder| + if attributes.key?(key) + attributes[key] = Attribute.new(coder, attributes[key], serialized) + end end + + attributes end - attributes - end + private - private + def attribute_cast_code(attr_name) + if serialized_attributes.include?(attr_name) + "v.unserialized_value" + else + super + end + end + end - def attribute_cast_code(attr_name) - if serialized_attributes.include?(attr_name) - "v.unserialized_value" + def type_cast_attribute_for_write(column, value) + if column && coder = self.class.serialized_attributes[column.name] + Attribute.new(coder, value, :unserialized) else super end end - end - - def type_cast_attribute_for_write(column, value) - if column && coder = self.class.serialized_attributes[column.name] - Attribute.new(coder, value, :unserialized) - else - super - end - end - def read_attribute_before_type_cast(attr_name) - if serialized_attributes.include?(attr_name) - super.unserialized_value - else - super + def read_attribute_before_type_cast(attr_name) + if serialized_attributes.include?(attr_name) + super.unserialized_value + else + super + end end end end diff --git a/activerecord/lib/active_record/connection_adapters/column.rb b/activerecord/lib/active_record/connection_adapters/column.rb index b9045cf1e7..1445bb3b2f 100644 --- a/activerecord/lib/active_record/connection_adapters/column.rb +++ b/activerecord/lib/active_record/connection_adapters/column.rb @@ -208,7 +208,7 @@ module ActiveRecord # '0.123456' -> 123456 # '1.123456' -> 123456 def microseconds(time) - ((time[:sec_fraction].to_f % 1) * 1_000_000).to_i + time[:sec_fraction] ? (time[:sec_fraction] * 1_000_000).to_i : 0 end def new_date(year, mon, mday) @@ -233,7 +233,7 @@ module ActiveRecord # Doesn't handle time zones. def fast_string_to_time(string) if string =~ Format::ISO_DATETIME - microsec = ($7.to_f * 1_000_000).to_i + microsec = ($7.to_r * 1_000_000).to_i new_time $1.to_i, $2.to_i, $3.to_i, $4.to_i, $5.to_i, $6.to_i, microsec end end diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb index 57aa47ab61..4fe0013f0f 100644 --- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb +++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb @@ -380,9 +380,9 @@ module ActiveRecord case field["dflt_value"] when /^null$/i field["dflt_value"] = nil - when /^'(.*)'$/ + when /^'(.*)'$/m field["dflt_value"] = $1.gsub("''", "'") - when /^"(.*)"$/ + when /^"(.*)"$/m field["dflt_value"] = $1.gsub('""', '"') end diff --git a/activerecord/lib/active_record/core.rb b/activerecord/lib/active_record/core.rb index 0fddfdf0cb..cde3325919 100644 --- a/activerecord/lib/active_record/core.rb +++ b/activerecord/lib/active_record/core.rb @@ -1,5 +1,5 @@ require 'active_support/core_ext/hash/indifferent_access' -require 'active_support/core_ext/object/deep_dup' +require 'active_support/core_ext/object/duplicable' require 'thread' module ActiveRecord @@ -173,7 +173,10 @@ module ActiveRecord # # Instantiates a single new object bypassing mass-assignment security # User.new({ :first_name => 'Jamie', :is_admin => true }, :without_protection => true) def initialize(attributes = nil, options = {}) - @attributes = self.class.initialize_attributes(self.class.column_defaults.deep_dup) + defaults = self.class.column_defaults.dup + defaults.each { |k, v| defaults[k] = v.dup if v.duplicable? } + + @attributes = self.class.initialize_attributes(defaults) @columns_hash = self.class.column_types.dup init_internals @@ -185,7 +188,7 @@ module ActiveRecord assign_attributes(attributes, options) if attributes yield self if block_given? - run_callbacks :initialize if _initialize_callbacks.any? + run_callbacks :initialize unless _initialize_callbacks.empty? end # Initialize an empty model object from +coder+. +coder+ must contain diff --git a/activerecord/lib/active_record/locking/optimistic.rb b/activerecord/lib/active_record/locking/optimistic.rb index e0344f3c56..e96ed00f9c 100644 --- a/activerecord/lib/active_record/locking/optimistic.rb +++ b/activerecord/lib/active_record/locking/optimistic.rb @@ -168,16 +168,16 @@ module ActiveRecord super end - # If the locking column has no default value set, - # start the lock version at zero. Note we can't use - # <tt>locking_enabled?</tt> at this point as - # <tt>@attributes</tt> may not have been initialized yet. - def initialize_attributes(attributes, options = {}) #:nodoc: - if attributes.key?(locking_column) && lock_optimistically - attributes[locking_column] ||= 0 - end + def column_defaults + @column_defaults ||= begin + defaults = super + + if defaults.key?(locking_column) && lock_optimistically + defaults[locking_column] ||= 0 + end - attributes + defaults + end end end end diff --git a/activerecord/lib/active_record/model_schema.rb b/activerecord/lib/active_record/model_schema.rb index def48c03bf..ff7c996648 100644 --- a/activerecord/lib/active_record/model_schema.rb +++ b/activerecord/lib/active_record/model_schema.rb @@ -312,6 +312,13 @@ module ActiveRecord @relation = nil end + # This is a hook for use by modules that need to do extra stuff to + # attributes when they are initialized. (e.g. attribute + # serialization) + def initialize_attributes(attributes, options = {}) #:nodoc: + attributes + end + private # Guesses the table name, but does not decorate it with prefix and suffix information. |