Function Resize

cpp/src/arrow/buffer_builder.h:76–86

\brief Resize the buffer to the nearest multiple of 64 bytes \param new_capacity the new capacity of the builder. Will be rounded up to a multiple of 64 bytes for padding \param shrink_to_fit if new capacity is smaller than the existing, reallocate internal buffer. Set to false to avoid reallocations when shrinking the builder. \return Status

  /// shrinking the builder.
  /// \return Status
  Status Resize(const int64_t new_capacity, bool shrink_to_fit = true) {
    if (buffer_ == NULLPTR) {
      ARROW_ASSIGN_OR_RAISE(buffer_,
                            AllocateResizableBuffer(new_capacity, alignment_, pool_));
    } else {
      ARROW_RETURN_NOT_OK(buffer_->Resize(new_capacity, shrink_to_fit));
    }
    capacity_ = buffer_->capacity();
    data_ = buffer_->mutable_data();
    return Status::OK();
  }

  /// \brief Ensure that builder can accommodate the additional number of bytes
  /// without the need to perform allocations