diff options
| -rw-r--r-- | activerecord/lib/active_record/associations/collection_association.rb | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb index 8a028c8996..17795f1b7d 100644 --- a/activerecord/lib/active_record/associations/collection_association.rb +++ b/activerecord/lib/active_record/associations/collection_association.rb @@ -402,7 +402,11 @@ module ActiveRecord return memory if persisted.empty? persisted.map! do |record| - mem_record = memory.delete(record) + mem_record_index = memory.index(record) + if mem_record_index + mem_record = memory.at(mem_record_index) + memory.delete_at(mem_record_index) + end if mem_record (record.attribute_names - mem_record.changes.keys).each do |name| |