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author | David Heinemeier Hansson <david@loudthinking.com> | 2005-04-02 08:52:51 +0000 |
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committer | David Heinemeier Hansson <david@loudthinking.com> | 2005-04-02 08:52:51 +0000 |
commit | 1ba1779754965da9b0cff73d37905b71928d3598 (patch) | |
tree | cbf41b720b38c412c03415cb3aecbaa60770a023 /activerecord/lib | |
parent | c6cc7078544e5954a9ff181a854d77c9b9c94d5a (diff) | |
download | rails-1ba1779754965da9b0cff73d37905b71928d3598.tar.gz rails-1ba1779754965da9b0cff73d37905b71928d3598.tar.bz2 rails-1ba1779754965da9b0cff73d37905b71928d3598.zip |
Added that model.items.delete(child) will delete the child, not just set the foreign key to nil, if the child is dependent on the model #978 [bitsweat]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1064 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'activerecord/lib')
-rwxr-xr-x | activerecord/lib/active_record/associations.rb | 5 | ||||
-rw-r--r-- | activerecord/lib/active_record/associations/has_many_association.rb | 14 |
2 files changed, 13 insertions, 6 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index f9f5ec98a6..5bdc6247ff 100755 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -153,7 +153,8 @@ module ActiveRecord # * <tt>collection(force_reload = false)</tt> - returns an array of all the associated objects. # An empty array is returned if none are found. # * <tt>collection<<(object, ...)</tt> - adds one or more objects to the collection by setting their foreign keys to the collection's primary key. - # * <tt>collection.delete(object, ...)</tt> - removes one or more objects from the collection by setting their foreign keys to NULL. This does not destroy the objects. + # * <tt>collection.delete(object, ...)</tt> - removes one or more objects from the collection by setting their foreign keys to NULL. + # This will also destroy the objects if they're declared as belongs_to and dependent on this model. # * <tt>collection.clear</tt> - removes every object from the collection. This does not destroy the objects. # * <tt>collection.empty?</tt> - returns true if there are no associated objects. # * <tt>collection.size</tt> - returns the number of associated objects. @@ -219,6 +220,8 @@ module ActiveRecord if options[:dependent] and options[:exclusively_dependent] raise ArgumentError, ':dependent and :exclusively_dependent are mutually exclusive options. You may specify one or the other.' # ' ruby-mode + # See HasManyAssociation#delete_records. Dependent associations + # delete children, otherwise foreign key is set to NULL. elsif options[:dependent] module_eval "before_destroy '#{association_name}.each { |o| o.destroy }'" elsif options[:exclusively_dependent] diff --git a/activerecord/lib/active_record/associations/has_many_association.rb b/activerecord/lib/active_record/associations/has_many_association.rb index 0f79e4ccef..01374bd55a 100644 --- a/activerecord/lib/active_record/associations/has_many_association.rb +++ b/activerecord/lib/active_record/associations/has_many_association.rb @@ -113,11 +113,15 @@ module ActiveRecord end def delete_records(records) - ids = quoted_record_ids(records) - @association_class.update_all( - "#{@association_class_primary_key_name} = NULL", - "#{@association_class_primary_key_name} = #{@owner.quoted_id} AND #{@association_class.primary_key} IN (#{ids})" - ) + if @options[:dependent] + records.each { |r| r.destroy } + else + ids = quoted_record_ids(records) + @association_class.update_all( + "#{@association_class_primary_key_name} = NULL", + "#{@association_class_primary_key_name} = #{@owner.quoted_id} AND #{@association_class.primary_key} IN (#{ids})" + ) + end end def target_obsolete? |