Method setStringBuffers

bolt/vector/FlatVector.h:487–496

Used for vectors of type VARCHAR and VARBINARY to replace the old data buffers with 'buffers' which are referenced by StringView's.

  /// Used for vectors of type VARCHAR and VARBINARY to replace the old data
  /// buffers with 'buffers' which are referenced by StringView's.
  void setStringBuffers(std::vector<BufferPtr> buffers) {
    BOLT_DCHECK_GE(stringBuffers_.size(), stringBufferSet_.size());

    stringBuffers_ = std::move(buffers);
    stringBufferSet_.clear();
    stringBufferSet_.reserve(stringBuffers_.size());
    for (const auto& bufferPtr : stringBuffers_) {
      stringBufferSet_.insert(bufferPtr.get());
    }
  }

  /// Used for vectors of type VARCHAR and VARBINARY to release the data
  /// buffers referenced by StringView's.