diff options
| -rw-r--r-- | activerecord/lib/active_record/associations.rb | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index 8d415cdfdf..aad0cbb895 100644 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -1873,15 +1873,15 @@ module ActiveRecord def instantiate(rows) primary_key = join_base.aliased_primary_key - base_records_hash = {} + parents = {} - rows.each do |model| + records = rows.map { |model| primary_id = model[primary_key] - base_records_hash[primary_id] ||= join_base.instantiate(model) - construct(base_records_hash[primary_id], @associations, join_associations.dup, model) - end + parent = parents[primary_id] ||= join_base.instantiate(model) + construct(parent, @associations, join_associations.dup, model) + parent + }.uniq - records = base_records_hash.values remove_duplicate_results!(join_base.active_record, records, @associations) records end |