diff options
Diffstat (limited to 'activerecord/lib/active_record/associations/preloader')
-rw-r--r-- | activerecord/lib/active_record/associations/preloader/association.rb | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/activerecord/lib/active_record/associations/preloader/association.rb b/activerecord/lib/active_record/associations/preloader/association.rb index fe696e0d6e..607d376a08 100644 --- a/activerecord/lib/active_record/associations/preloader/association.rb +++ b/activerecord/lib/active_record/associations/preloader/association.rb @@ -50,20 +50,14 @@ module ActiveRecord end def owner_keys - unless defined?(@owner_keys) - @owner_keys = owners.map do |owner| - owner[owner_key_name] - end - @owner_keys.uniq! - @owner_keys.compact! - end - @owner_keys + @owner_keys ||= owners_by_key.keys end def owners_by_key unless defined?(@owners_by_key) @owners_by_key = owners.each_with_object({}) do |owner, h| - h[convert_key(owner[owner_key_name])] = owner + key = convert_key(owner[owner_key_name]) + h[key] = owner if key end end @owners_by_key |