Method PrepareForPinnedRead

be/src/runtime/buffered-tuple-stream.cc:627–631

}

Status BufferedTupleStream::PrepareForPinnedRead(ReadIterator* iter) {
  DCHECK(pinned_) << "Can only read pinned stream with external iterator";
  DCHECK(!has_write_iterator());
  return PrepareForReadInternal(false, iter);
}

Status BufferedTupleStream::PrepareForReadInternal(
    bool attach_on_read, ReadIterator* read_iter) {