func (s *store) Append(key, value []byte) error {
old, err := s.Get(key)
if err != nil {
return err
}
v, write, err := db.Upd(key, value, old)
if err != nil {
return err
}
if write {
return s.Set(key, v)
}
return nil
}
func (b *batch) Append(key, value []byte) error {
old, err := b.s.Get(key)
if err != nil {
return err
}
v, write, err := db.Upd(key, value, old)
if err != nil {
return err
}
if write {
b.bn.Put(key, v)
}
return nil
}