Method Make

cpp/src/arrow/sparse_tensor.h:563–577

\brief Create a SparseTensor with full parameters

  /// \brief Create a SparseTensor with full parameters
  static inline Result<std::shared_ptr<SparseTensorImpl<SparseIndexType>>> Make(
      const std::shared_ptr<SparseIndexType>& sparse_index,
      const std::shared_ptr<DataType>& type, const std::shared_ptr<Buffer>& data,
      const std::vector<int64_t>& shape, const std::vector<std::string>& dim_names) {
    if (!is_tensor_supported(type->id())) {
      return Status::Invalid(type->ToString(),
                             " is not valid data type for a sparse tensor");
    }
    ARROW_RETURN_NOT_OK(sparse_index->ValidateShape(shape));
    if (dim_names.size() > 0 && dim_names.size() != shape.size()) {
      return Status::Invalid("dim_names length is inconsistent with shape");
    }
    return std::make_shared<SparseTensorImpl<SparseIndexType>>(sparse_index, type, data,
                                                               shape, dim_names);
  }

  /// \brief Create a sparse tensor from a dense tensor
  ///