code: func (h *SessionHandle) AddBindRecord(record *BindRecord) error {
  	record.CreateTime = types.Time{
  		Time: types.FromGoTime(time.Now()),
  		Type: mysql.TypeDatetime,
  		Fsp:  3,
  	}
  	record.UpdateTime = record.CreateTime
  
  	// update the BindMeta to the cache.
  	hash, meta, err := h.newBindMeta(record)
  	if err == nil {
  		h.appendBindMeta(hash, meta)
  	}
  	return err
  }
docs: // AddBindRecord new a BindRecord with BindMeta, add it to the cache.