From b3065a51a927ded6b22835837598e92df606eaed Mon Sep 17 00:00:00 2001 From: Jeremy Kemper Date: Thu, 9 Feb 2006 19:37:05 +0000 Subject: Polymorphic join support for has_one associations (has_one :foo, :as => :bar). Closes #3785. git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3558 5ecf4fe2-1ee6-0310-87b1-e25e094e27de --- .../lib/active_record/associations/has_one_association.rb | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'activerecord/lib/active_record/associations/has_one_association.rb') diff --git a/activerecord/lib/active_record/associations/has_one_association.rb b/activerecord/lib/active_record/associations/has_one_association.rb index 17483305fc..4dbc0f6441 100644 --- a/activerecord/lib/active_record/associations/has_one_association.rb +++ b/activerecord/lib/active_record/associations/has_one_association.rb @@ -66,9 +66,15 @@ module ActiveRecord end def construct_sql - @finder_sql = "#{@reflection.table_name}.#{@reflection.primary_key_name} = #{@owner.quoted_id}" + case + when @reflection.options[:as] + @finder_sql = + "#{@reflection.klass.table_name}.#{@reflection.options[:as]}_id = #{@owner.quoted_id} AND " + + "#{@reflection.klass.table_name}.#{@reflection.options[:as]}_type = '#{ActiveRecord::Base.send(:class_name_of_active_record_descendant, @owner.class).to_s}'" + else + @finder_sql = "#{@reflection.table_name}.#{@reflection.primary_key_name} = #{@owner.quoted_id}" + end @finder_sql << " AND (#{sanitize_sql(@reflection.options[:conditions])})" if @reflection.options[:conditions] - @finder_sql end end end -- cgit v1.2.3