Function MakeEmptyArray

cpp/src/arrow/array/util.cc:915–928

}

Result<std::shared_ptr<Array>> MakeEmptyArray(std::shared_ptr<DataType> type,
                                              MemoryPool* memory_pool) {
  if (type->id() == Type::EXTENSION) {
    const auto& ext_type = checked_cast<const ExtensionType&>(*type);
    ARROW_ASSIGN_OR_RAISE(auto storage,
                          MakeEmptyArray(ext_type.storage_type(), memory_pool));
    storage->data()->type = std::move(type);
    return ext_type.MakeArray(storage->data());
  }
  std::unique_ptr<ArrayBuilder> builder;
  RETURN_NOT_OK(MakeBuilder(memory_pool, type, &builder));
  RETURN_NOT_OK(builder->Resize(0));
  return builder->Finish();
}

namespace internal {