Method Append

db/string.go:100–106

Append appends a value to key

(value []byte)

// Append appends a value to key
func (s *String) Append(value []byte) (int, error) {
	s.Meta.Value = append(s.Meta.Value, value...)
	if err := s.txn.t.Set(MetaKey(s.txn.db, s.key), s.encode()); err != nil {
		return 0, err
	}
	return len(s.Meta.Value), nil
}

// GetSet returns old value ,value replace old value
func (s *String) GetSet(value []byte) ([]byte, error) {