Function createEmpty

bolt/vector/BaseVector.cpp:283–304

template <TypeKind kind>
static VectorPtr createEmpty(
    vector_size_t size,
    bolt::memory::MemoryPool* pool,
    const TypePtr& type) {
  using T = typename TypeTraits<kind>::NativeType;

  BufferPtr values;
  if constexpr (std::is_same_v<T, StringView>) {
    // Make sure to initialize StringView values so they can be safely accessed.
    values = AlignedBuffer::allocate<T>(size, pool, T());
  } else {
    values = AlignedBuffer::allocate<T>(size, pool);
  }

  return std::make_shared<FlatVector<T>>(
      pool,
      type,
      BufferPtr(nullptr),
      size,
      std::move(values),
      std::vector<BufferPtr>());
}

// static
VectorPtr BaseVector::createInternal(