diff options
Diffstat (limited to 'activerecord/lib/active_record/base.rb')
| -rw-r--r-- | activerecord/lib/active_record/base.rb | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb index 06a388cd21..b35f59d6df 100644 --- a/activerecord/lib/active_record/base.rb +++ b/activerecord/lib/active_record/base.rb @@ -204,7 +204,7 @@ module ActiveRecord #:nodoc: # # # No 'Winter' tag exists # winter = Tag.find_or_initialize_by_name("Winter") - # winter.new_record? # true + # winter.persisted? # false # # To find by a subset of the attributes to be used for instantiating a new object, pass a hash instead of # a list of parameters. @@ -1368,7 +1368,7 @@ MSG def initialize(attributes = nil) @attributes = attributes_from_column_definition @attributes_cache = {} - @new_record = true + @persisted = false @readonly = false @destroyed = false @marked_for_destruction = false @@ -1403,7 +1403,7 @@ MSG clear_aggregation_cache clear_association_cache @attributes_cache = {} - @new_record = true + @persisted = false ensure_proper_type populate_with_current_scope_attributes @@ -1422,7 +1422,8 @@ MSG def init_with(coder) @attributes = coder['attributes'] @attributes_cache, @previously_changed, @changed_attributes = {}, {}, {} - @new_record = @readonly = @destroyed = @marked_for_destruction = false + @readonly = @destroyed = @marked_for_destruction = false + @persisted = true _run_find_callbacks _run_initialize_callbacks end @@ -1463,7 +1464,7 @@ MSG # Person.find(5).cache_key # => "people/5-20071224150000" (updated_at available) def cache_key case - when new_record? + when !persisted? "#{self.class.model_name.cache_key}/new" when timestamp = self[:updated_at] "#{self.class.model_name.cache_key}/#{id}-#{timestamp.to_s(:number)}" @@ -1581,11 +1582,20 @@ MSG self.class.columns_hash[name.to_s] end - # Returns true if the +comparison_object+ is the same object, or is of the same type and has the same id. + # Returns true if +comparison_object+ is the same exact object, or +comparison_object+ + # is of the same type and +self+ has an ID and it is equal to +comparison_object.id+. + # + # Note that new records are different from any other record by definition, unless the + # other record is the receiver itself. Besides, if you fetch existing records with + # +select+ and leave the ID out, you're on your own, this predicate will return false. + # + # Note also that destroying a record preserves its ID in the model instance, so deleted + # models are still comparable. def ==(comparison_object) comparison_object.equal?(self) || - (comparison_object.instance_of?(self.class) && - comparison_object.id == id && !comparison_object.new_record?) + comparison_object.instance_of?(self.class) && + id.present? && + comparison_object.id == id end # Delegates to == @@ -1630,7 +1640,7 @@ MSG # Returns the contents of the record as a nicely formatted string. def inspect attributes_as_nice_string = self.class.column_names.collect { |name| - if has_attribute?(name) || new_record? + if has_attribute?(name) || !persisted? "#{name}: #{attribute_for_inspect(name)}" end }.compact.join(", ") |