Пример #1
0
func runDebugKeys(cmd *cobra.Command, args []string) error {
	stopper := stop.NewStopper()
	defer stopper.Stop()

	if len(args) != 1 {
		return errors.New("one argument is required")
	}

	db, err := openStore(cmd, args[0], stopper)
	if err != nil {
		return err
	}

	d := cliContext.debug

	from := engine.NilKey
	to := engine.MVCCKeyMax
	if d.raw {
		if len(d.startKey) > 0 {
			from = engine.MakeMVCCMetadataKey(roachpb.Key(d.startKey))
		}
		if len(d.endKey) > 0 {
			to = engine.MakeMVCCMetadataKey(roachpb.Key(d.endKey))
		}
	} else {
		if len(d.startKey) > 0 {
			startKey, err := keys.UglyPrint(d.startKey)
			if err != nil {
				return err
			}
			from = engine.MakeMVCCMetadataKey(startKey)
		}
		if len(d.endKey) > 0 {
			endKey, err := keys.UglyPrint(d.endKey)
			if err != nil {
				return err
			}
			to = engine.MakeMVCCMetadataKey(endKey)
		}
	}

	printer := printKey
	if d.values {
		printer = printKeyValue
	}

	if err := db.Iterate(from, to, printer); err != nil {
		return err
	}

	return nil
}
Пример #2
0
func (k *mvccKey) Set(value string) error {
	var typ keyType
	var keyStr string
	i := strings.IndexByte(value, ':')
	if i == -1 {
		keyStr = value
	} else {
		var err error
		typ, err = parseKeyType(value[:i])
		if err != nil {
			return err
		}
		keyStr = value[i+1:]
	}

	switch typ {
	case raw:
		*k = mvccKey(engine.MakeMVCCMetadataKey(roachpb.Key(keyStr)))
	case human:
		key, err := keys.UglyPrint(keyStr)
		if err != nil {
			return err
		}
		*k = mvccKey(engine.MakeMVCCMetadataKey(key))
	case rangeID:
		fromID, err := parseRangeID(keyStr)
		if err != nil {
			return err
		}
		*k = mvccKey(engine.MakeMVCCMetadataKey(keys.MakeRangeIDPrefix(fromID)))
	default:
		return fmt.Errorf("unknown key type %s", typ)
	}

	return nil
}