diff options
-rw-r--r-- | activerecord/lib/active_record/associations/preloader/through_association.rb | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/associations/preloader/through_association.rb b/activerecord/lib/active_record/associations/preloader/through_association.rb index 30558ae29c..ad6374d09a 100644 --- a/activerecord/lib/active_record/associations/preloader/through_association.rb +++ b/activerecord/lib/active_record/associations/preloader/through_association.rb @@ -33,13 +33,8 @@ module ActiveRecord through_options ).run - # TODO: Verify that this is actually necessary and not just a symptom of an - # underlying inefficiency - identity_map = {} - Hash[owners.map do |owner| through_records = Array.wrap(owner.send(through_reflection.name)) - through_records.map! { |record| identity_map[record] ||= record } # Dont cache the association - we would only be caching a subset if reflection.options[:source_type] && through_reflection.collection? |