reconnect!

# File activerecord/lib/active_record/connection_adapters/abstract_adapter.rb, line 680
      def reconnect!(restore_transactions: false)
        retries_available = connection_retries
        deadline = retry_deadline && Process.clock_gettime(Process::CLOCK_MONOTONIC) + retry_deadline

        @lock.synchronize do
          reconnect

          enable_lazy_transactions!
          @raw_connection_dirty = false
          @verified = true

          reset_transaction(restore: restore_transactions) do
            clear_cache!(new_connection: true)
            configure_connection
          end
        rescue => original_exception
          translated_exception = translate_exception_class(original_exception, nil, nil)
          retry_deadline_exceeded = deadline && deadline < Process.clock_gettime(Process::CLOCK_MONOTONIC)

          if !retry_deadline_exceeded && retries_available > 0
            retries_available -= 1

            if retryable_connection_error?(translated_exception)
              backoff(connection_retries - retries_available)
              retry
            end
          end

          @verified = false

          raise translated_exception
        end
      end