diff options
Diffstat (limited to 'activerecord/lib/active_record/associations.rb')
| -rw-r--r-- | activerecord/lib/active_record/associations.rb | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index 0e68e49182..b1778732dd 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -292,13 +292,13 @@ module ActiveRecord # # The project class now has the following methods (and more) to ease the traversal and # manipulation of its relationships: - # * <tt>Project#portfolio, Project#portfolio=(portfolio), Project#portfolio.nil?</tt> - # * <tt>Project#project_manager, Project#project_manager=(project_manager), Project#project_manager.nil?,</tt> - # * <tt>Project#milestones.empty?, Project#milestones.size, Project#milestones, Project#milestones<<(milestone),</tt> - # <tt>Project#milestones.delete(milestone), Project#milestones.destroy(milestone), Project#milestones.find(milestone_id),</tt> - # <tt>Project#milestones.build, Project#milestones.create</tt> - # * <tt>Project#categories.empty?, Project#categories.size, Project#categories, Project#categories<<(category1),</tt> - # <tt>Project#categories.delete(category1), Project#categories.destroy(category1)</tt> + # * <tt>Project#portfolio</tt>, <tt>Project#portfolio=(portfolio)</tt>, <tt>Project#reload_portfolio</tt> + # * <tt>Project#project_manager</tt>, <tt>Project#project_manager=(project_manager)</tt>, <tt>Project#reload_project_manager</tt> + # * <tt>Project#milestones.empty?</tt>, <tt>Project#milestones.size</tt>, <tt>Project#milestones</tt>, <tt>Project#milestones<<(milestone)</tt>, + # <tt>Project#milestones.delete(milestone)</tt>, <tt>Project#milestones.destroy(milestone)</tt>, <tt>Project#milestones.find(milestone_id)</tt>, + # <tt>Project#milestones.build</tt>, <tt>Project#milestones.create</tt> + # * <tt>Project#categories.empty?</tt>, <tt>Project#categories.size</tt>, <tt>Project#categories</tt>, <tt>Project#categories<<(category1)</tt>, + # <tt>Project#categories.delete(category1)</tt>, <tt>Project#categories.destroy(category1)</tt> # # === A word of warning # @@ -1232,9 +1232,9 @@ module ActiveRecord # * <tt>Firm#clients.size</tt> (similar to <tt>Client.count "firm_id = #{id}"</tt>) # * <tt>Firm#clients.find</tt> (similar to <tt>Client.where(firm_id: id).find(id)</tt>) # * <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>) + # * <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>) # * <tt>Firm#clients.reload</tt> # The declaration can also include an +options+ hash to specialize the behavior of the association. # @@ -1405,9 +1405,9 @@ module ActiveRecord # An Account class declares <tt>has_one :beneficiary</tt>, which will add: # * <tt>Account#beneficiary</tt> (similar to <tt>Beneficiary.where(account_id: id).first</tt>) # * <tt>Account#beneficiary=(beneficiary)</tt> (similar to <tt>beneficiary.account_id = account.id; beneficiary.save</tt>) - # * <tt>Account#build_beneficiary</tt> (similar to <tt>Beneficiary.new("account_id" => id)</tt>) - # * <tt>Account#create_beneficiary</tt> (similar to <tt>b = Beneficiary.new("account_id" => id); b.save; b</tt>) - # * <tt>Account#create_beneficiary!</tt> (similar to <tt>b = Beneficiary.new("account_id" => id); b.save!; b</tt>) + # * <tt>Account#build_beneficiary</tt> (similar to <tt>Beneficiary.new(account_id: id)</tt>) + # * <tt>Account#create_beneficiary</tt> (similar to <tt>b = Beneficiary.new(account_id: id); b.save; b</tt>) + # * <tt>Account#create_beneficiary!</tt> (similar to <tt>b = Beneficiary.new(account_id: id); b.save!; b</tt>) # * <tt>Account#reload_beneficiary</tt> # # === Scopes @@ -1524,6 +1524,7 @@ module ActiveRecord # Returns the associated object. +nil+ is returned if none is found. # [association=(associate)] # Assigns the associate object, extracts the primary key, and sets it as the foreign key. + # No modification or deletion of existing records takes place. # [build_association(attributes = {})] # Returns a new object of the associated type that has been instantiated # with +attributes+ and linked to this object through a foreign key, but has not yet been saved. @@ -1746,8 +1747,8 @@ module ActiveRecord # * <tt>Developer#projects.size</tt> # * <tt>Developer#projects.find(id)</tt> # * <tt>Developer#projects.exists?(...)</tt> - # * <tt>Developer#projects.build</tt> (similar to <tt>Project.new("developer_id" => id)</tt>) - # * <tt>Developer#projects.create</tt> (similar to <tt>c = Project.new("developer_id" => id); c.save; c</tt>) + # * <tt>Developer#projects.build</tt> (similar to <tt>Project.new(developer_id: id)</tt>) + # * <tt>Developer#projects.create</tt> (similar to <tt>c = Project.new(developer_id: id); c.save; c</tt>) # * <tt>Developer#projects.reload</tt> # The declaration may include an +options+ hash to specialize the behavior of the association. # @@ -1761,6 +1762,7 @@ module ActiveRecord # has_and_belongs_to_many :projects, -> { includes(:milestones, :manager) } # has_and_belongs_to_many :categories, ->(post) { # where("default_category = ?", post.default_category) + # } # # === Extensions # |