diff options
Diffstat (limited to 'activerecord/lib/active_record/associations')
-rw-r--r-- | activerecord/lib/active_record/associations/association_collection.rb | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/associations/association_collection.rb b/activerecord/lib/active_record/associations/association_collection.rb index 1221a56bbc..91e0a9f2f8 100644 --- a/activerecord/lib/active_record/associations/association_collection.rb +++ b/activerecord/lib/active_record/associations/association_collection.rb @@ -338,13 +338,12 @@ module ActiveRecord def uniq(collection = self) seen = Set.new - collection.inject([]) do |kept, record| + collection.map do |record| unless seen.include?(record.id) - kept << record seen << record.id + record end - kept - end + end.compact end # Replace this collection with +other_array+ |