Function DecodeIndexID

pkg/tablecodec/tablecodec.go:298–306

DecodeIndexID decodes indexID from the key. this method simply extract index id part, and no other checking. Caller should make sure the key is an index key.

(key kv.Key)

// this method simply extract index id part, and no other checking.
// Caller should make sure the key is an index key.
func DecodeIndexID(key kv.Key) (int64, error) {
	key = key[len(tablePrefix)+8+len(indexPrefixSep):]

	_, indexID, err := codec.DecodeInt(key)
	if err != nil {
		return 0, errors.Trace(err)
	}
	return indexID, nil
}

// DecodeTableID decodes the table ID of the key, if the key is not table key, returns 0.
func DecodeTableID(key kv.Key) int64 {