diff options
Diffstat (limited to 'activerecord/lib/active_record/associations/association_collection.rb')
| -rw-r--r-- | activerecord/lib/active_record/associations/association_collection.rb | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations/association_collection.rb b/activerecord/lib/active_record/associations/association_collection.rb index 7abb738a74..7100be0245 100644 --- a/activerecord/lib/active_record/associations/association_collection.rb +++ b/activerecord/lib/active_record/associations/association_collection.rb @@ -477,7 +477,14 @@ module ActiveRecord callback(:before_add, record) yield(record) if block_given? @target ||= [] unless loaded? - @target << record unless @reflection.options[:uniq] && @target.include?(record) + index = @target.index(record) + unless @reflection.options[:uniq] && index + if index + @target[index] = record + else + @target << record + end + end callback(:after_add, record) set_inverse_instance(record, @owner) record |