diff options
Diffstat (limited to 'activerecord/lib/active_record/attribute_assignment.rb')
-rw-r--r-- | activerecord/lib/active_record/attribute_assignment.rb | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/attribute_assignment.rb b/activerecord/lib/active_record/attribute_assignment.rb index 30fa2c8ba5..40e2918777 100644 --- a/activerecord/lib/active_record/attribute_assignment.rb +++ b/activerecord/lib/active_record/attribute_assignment.rb @@ -11,6 +11,15 @@ module ActiveRecord # If the passed hash responds to <tt>permitted?</tt> method and the return value # of this method is +false+ an <tt>ActiveModel::ForbiddenAttributesError</tt> # exception is raised. + # + # cat = Cat.new(name: "Gorby", status: "yawning") + # cat.attributes # => { "name" => "Gorby", "status" => "yawning", "created_at" => nil, "updated_at" => nil} + # cat.assign_attributes(status: "sleeping") + # cat.attributes # => { "name" => "Gorby", "status" => "sleeping", "created_at" => nil, "updated_at" => nil } + # + # New attributes will be persisted in the database when the object is saved. + # + # Aliased to <tt>attributes=</tt>. def assign_attributes(new_attributes) if !new_attributes.respond_to?(:stringify_keys) raise ArgumentError, "When assigning attributes, you must pass a hash as an argument." @@ -117,8 +126,8 @@ module ActiveRecord def read_value return if values.values.compact.empty? - @column = object.class.reflect_on_aggregation(name.to_sym) || object.column_for_attribute(name) - klass = column.klass + @column = object.column_for_attribute(name) + klass = column ? column.klass : nil if klass == Time read_time @@ -140,7 +149,7 @@ module ActiveRecord end def read_time - # If column is a :time (and not :date or :timestamp) there is no need to validate if + # If column is a :time (and not :date or :datetime) there is no need to validate if # there are year/month/day fields if column.type == :time # if the column is a time set the values to their defaults as January 1, 1970, but only if they're nil @@ -177,8 +186,7 @@ module ActiveRecord positions = (1..max_position) validate_required_parameters!(positions) - set_values = values.values_at(*positions) - klass.new(*set_values) + values.slice(*positions) end # Checks whether some blank date parameter exists. Note that this is different |