func (r *rocksDBBatch) Iterate(start, end proto.EncodedKey, f func(proto.RawKeyValue) (bool, error)) error {
if bytes.Compare(start, end) >= 0 {
return nil
}
it := &rocksDBIterator{
iter: C.DBBatchNewIter(r.parent.rdb, r.batch),
}
defer it.Close()
it.Seek(start)
for ; it.Valid(); it.Next() {
k := it.Key()
if !it.Key().Less(end) {
break
}
if done, err := f(proto.RawKeyValue{Key: k, Value: it.Value()}); done || err != nil {
return err
}
}
// Check for any errors during iteration.
return it.Error()
}
func (r *rocksDBBatch) NewIterator() Iterator {
return &rocksDBIterator{
iter: C.DBBatchNewIter(r.parent.rdb, r.batch),
}
}