commit_records

# File activerecord/lib/active_record/connection_adapters/abstract/transaction.rb, line 119
      def commit_records
        ite = records.uniq(&:object_id)
        already_run_callbacks = {}
        while record = ite.shift
          if @run_commit_callbacks
            trigger_callbacks = record.trigger_transactional_callbacks?
            should_run_callbacks = !already_run_callbacks[record] && trigger_callbacks
            already_run_callbacks[record] ||= trigger_callbacks
            record.committed!(should_run_callbacks: should_run_callbacks)
          else
            # if not running callbacks, only adds the record to the parent transaction
            connection.add_transaction_record(record)
          end
        end
      ensure
        ite.each { |i| i.committed!(should_run_callbacks: false) }
      end