diff options
Diffstat (limited to 'activerecord/lib/active_record/associations/has_one_association.rb')
| -rw-r--r-- | activerecord/lib/active_record/associations/has_one_association.rb | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations/has_one_association.rb b/activerecord/lib/active_record/associations/has_one_association.rb index c49fd6e66a..d08cbea199 100644 --- a/activerecord/lib/active_record/associations/has_one_association.rb +++ b/activerecord/lib/active_record/associations/has_one_association.rb @@ -89,7 +89,8 @@ module ActiveRecord "#{@reflection.quoted_table_name}.#{@reflection.options[:as]}_id = #{owner_quoted_id} AND " + "#{@reflection.quoted_table_name}.#{@reflection.options[:as]}_type = #{@owner.class.quote_value(@owner.class.base_class.name.to_s)}" else - sql = "#{@reflection.quoted_table_name}.#{@reflection.primary_key_name} = #{owner_quoted_id}" + test = owner_quoted_id == "NULL" ? "IS" : "=" + sql = "#{@reflection.quoted_table_name}.#{@reflection.primary_key_name} #{test} #{owner_quoted_id}" end sql << " AND (#{conditions})" if conditions { :conditions => sql } |