if !confirmed.Ack {
			return fmt.Errorf("failed delivery of delivery tag: %d", confirmed.DeliveryTag)
		}
	}

	return nil
}

// Save - saves the events to the store which will be replayed when the amqp connection is active.
func (target *AMQPTarget) Save(eventData event.Event) error {
	if target.store != nil {
		_, err := target.store.Put(eventData)
		return err
	}
	if err := target.init(); err != nil {

		if IsConnErr(err) {
			return false, store.ErrNotConnected
		}
		return false, err
	}
	return true, nil
}

// Save - saves the events to the store which will be replayed when the SQL connection is active.
func (target *MySQLTarget) Save(eventData event.Event) error {
	if target.store != nil {
		_, err := target.store.Put(eventData)
		return err
	}
	if err := target.init(); err != nil {

	mc := o.newMetacache()
	meta := metaCacheRPC{meta: &mc, cancel: cancel, rpc: globalNotificationSys.restClientFromHash(pathJoin(o.Bucket, o.Prefix)), o: *o}

	// Save listing...
	go func() {
		if err := saver.saveMetaCacheStream(listCtx, &meta, saveCh); err != nil {
			meta.setErr(err.Error())
		}
		cancel()
	}()

	// Do listing...
	go func(o listPathOptions) {

	modTimes = bootModtimes(len(partsMetadata))
	for index, metadata := range partsMetadata {
		if errs[index] != nil {
			continue
		}
		// Once the file is found, save the uuid saved on disk.
		modTimes[index] = metadata.ModTime
	}
	return modTimes
}

func filterOnlineDisksInplace(fi FileInfo, partsMetadata []FileInfo, onlineDisks []StorageAPI) {
	for i, meta := range partsMetadata {

				return false, store.ErrNotConnected
			}
			return false, connErr
		}
	}

	return true, nil
}

// Save - saves the events to the store which will be replayed when the Nats connection is active.
func (target *NATSTarget) Save(eventData event.Event) error {
	if target.store != nil {
		_, err := target.store.Put(eventData)
		return err
	}

	if err := target.init(); err != nil {

	if err != nil {
		return false, err
	}

	return target.client.ping(ctx, target.args)
}

// Save - saves the events to the store if queuestore is configured, which will be replayed when the elasticsearch connection is active.
func (target *ElasticsearchTarget) Save(eventData event.Event) error {
	if target.store != nil {
		_, err := target.store.Put(eventData)
		return err
	}

            urlQueueService.saveSession(crawlerContext.sessionId);
            if (logger.isDebugEnabled()) {
                logger.debug("Saved crawler session: sessionId={}", crawlerContext.sessionId);
            }
        } catch (final Exception e) {
            logger.warn("Failed to save crawler session: sessionId={}", crawlerContext.sessionId, e);
        }
    }

    /**
     * Returns the crawler context.

    /**
     * Constructs a new {@code CrawlerSystemException} with the specified detail message and cause.
     *
     * @param message the detail message (which is saved for later retrieval by the {@link #getMessage()} method).
     * @param cause the cause (which is saved for later retrieval by the {@link #getCause()} method).
     *              (A {@code null} value is permitted, and indicates that the cause is nonexistent or unknown.)
     */

    /**
     * Constructs a new ExtractException with the specified message and cause.
     *
     * @param message the detail message. The detail message is saved for later retrieval by the {@link #getMessage()} method.
     * @param cause the cause (which is saved for later retrieval by the {@link #getCause()} method).
     *              (A {@code null} value is permitted, and indicates that the cause is nonexistent or unknown.)
     */

	}

	user.Pets = []*Pet{{Name: "pet1"}, {Name: "pet2"}}
	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}

	var user2 User
	DB.Preload("Pets").Find(&user2, "id = ?", user.ID)
	CheckUser(t, user2, user)

	for _, pet := range user.Pets {
		pet.Name += "new"
	}

	if err := DB.Save(&user).Error; err != nil {
		t.Fatalf("errors happened when update: %v", err)
	}