diff options
| -rw-r--r-- | activerecord/lib/active_record/associations/builder/belongs_to.rb | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations/builder/belongs_to.rb b/activerecord/lib/active_record/associations/builder/belongs_to.rb index da7e8cda3a..e0ec4392b4 100644 --- a/activerecord/lib/active_record/associations/builder/belongs_to.rb +++ b/activerecord/lib/active_record/associations/builder/belongs_to.rb @@ -71,8 +71,9 @@ module ActiveRecord::Associations::Builder foreign_key_field = #{reflection.foreign_key.inspect} if changed_attributes.key?(foreign_key_field) reflection_klass = #{reflection.klass} + primary_key_field = reflection_klass.primary_key old_foreign_id = changed_attributes[foreign_key_field] - old_record = reflection_klass.where(foreign_key_field => old_foreign_id).first + old_record = reflection_klass.where(primary_key_field => old_foreign_id).first if old_record old_record.touch #{options[:touch].inspect if options[:touch] != true} end |