diff options
Diffstat (limited to 'activerecord/lib/active_record/associations.rb')
-rw-r--r-- | activerecord/lib/active_record/associations.rb | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index 4fd817bd8c..5e5995f566 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -988,7 +988,7 @@ module ActiveRecord # associated objects themselves. So with +has_and_belongs_to_many+ and +has_many+ # <tt>:through</tt>, the join records will be deleted, but the associated records won't. # - # This makes sense if you think about it: if you were to call <tt>post.tags.delete(Tag.find_by_name('food'))</tt> + # This makes sense if you think about it: if you were to call <tt>post.tags.delete(Tag.find_by(name: 'food'))</tt> # you would want the 'food' tag to be unlinked from the post, rather than for the tag itself # to be removed from the database. # @@ -1073,6 +1073,9 @@ module ActiveRecord # with +attributes+, linked to this object through a foreign key, and that has already # been saved (if it passed the validation). *Note*: This only works if the base model # already exists in the DB, not if it is a new (unsaved) record! + # [collection.create!(attributes = {})] + # Does the same as <tt>collection.create</tt>, but raises <tt>ActiveRecord::RecordInvalid</tt> + # if the record is invalid. # # (*Note*: +collection+ is replaced with the symbol passed as the first argument, so # <tt>has_many :clients</tt> would add among others <tt>clients.empty?</tt>.) @@ -1094,6 +1097,7 @@ module ActiveRecord # * <tt>Firm#clients.exists?(name: 'ACME')</tt> (similar to <tt>Client.exists?(name: 'ACME', firm_id: firm.id)</tt>) # * <tt>Firm#clients.build</tt> (similar to <tt>Client.new("firm_id" => id)</tt>) # * <tt>Firm#clients.create</tt> (similar to <tt>c = Client.new("firm_id" => id); c.save; c</tt>) + # * <tt>Firm#clients.create!</tt> (similar to <tt>c = Client.new("firm_id" => id); c.save!</tt>) # The declaration can also include an options hash to specialize the behavior of the association. # # === Options |