From 1d2c6ee8f3f7e4b6881f30e6b53582738c2b3ace Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Tobias=20L=C3=BCtke?= Date: Tue, 20 Dec 2005 20:32:47 +0000 Subject: added :piggyback option to has_many :through relationships to pick up values from the join table as needed git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3323 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- .../active_record/associations/has_many_through_association.rb | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) (limited to 'activerecord/lib/active_record/associations') diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb index 8c91aeeed4..3a3966bb8a 100644 --- a/activerecord/lib/active_record/associations/has_many_through_association.rb +++ b/activerecord/lib/active_record/associations/has_many_through_association.rb @@ -39,7 +39,7 @@ module ActiveRecord def find_target @reflection.klass.find(:all, - :select => "#{@reflection.table_name}.*", + :select => construct_select, :conditions => construct_conditions, :from => construct_from, :order => @reflection.options[:order], @@ -73,6 +73,14 @@ module ActiveRecord "#{@reflection.table_name}, #{@owner.class.reflections[@reflection.options[:through]].table_name}" end + def construct_select + selected = ["#{@reflection.table_name}.*"] + if @reflection.options[:piggyback] + selected += [@reflection.options[:piggyback]].flatten.collect { |field| "#{@owner.class.reflections[@reflection.options[:through]].table_name}.#{field}" } + end + selected.join(', ') + end + def construct_scope { :find => { :conditions => construct_conditions }, -- cgit v1.2.3