Page History

func (c *Core) reSendDdMsg(ctx context.Context) error {
	flag, err := c.MetaTable.client.Load(DDMsgSendPrefix, 0)
	if err != nil || flag == "true" {
		log.Debug("No un-successful DdMsg")
		return nil
	}

	ddOpStr, err := c.MetaTable.client.Load(DDOperationPrefix, 0)
	if err != nil {
		log.Debug("DdOperation key does not exist")
		return nil
	}
	var ddOp DdOperation
	if err = json.Unmarshal([]byte(ddOpStr), &ddOp); err != nil {
		return err
	}

	switch ddOp.Type {
	case CreateCollectionDDType:
		var ddReq = internalpb.CreateCollectionRequest{}
		if err = proto.UnmarshalText(ddOp.Body, &ddReq); err != nil {
			return err
		}
		collInfo, err := c.MetaTable.GetCollectionByName(ddReq.CollectionName, 0)
		if err != nil {
			return err
		}
		if err = c.SendDdCreateCollectionReq(ctx, &ddReq, collInfo.PhysicalChannelNames); err != nil {
			return err
		}
	// NEW
	case CreateAliasDDType:
		...
	// NEW
	case DropAliasDDType:
		...
	// NEW
	case AlterAliasDDType:
		...
	...
}