Function garrow_array_get_null_bitmap

c_glib/arrow-glib/basic-array.cpp:1107–1123

* garrow_array_get_null_bitmap: * @array: A #GArrowArray. * * Returns: (transfer full) (nullable): The bitmap that indicates null * value indices for the array as #GArrowBuffer or %NULL when * garrow_array_get_n_nulls() returns 0. * * Since: 0.3.0 */

 * Since: 0.3.0
 */
GArrowBuffer *
garrow_array_get_null_bitmap(GArrowArray *array)
{
  auto priv = GARROW_ARRAY_GET_PRIVATE(array);
  if (priv->null_bitmap) {
    g_object_ref(priv->null_bitmap);
    return priv->null_bitmap;
  }

  auto arrow_array = garrow_array_get_raw(array);
  auto arrow_null_bitmap = arrow_array->null_bitmap();
  if (arrow_null_bitmap) {
    return garrow_buffer_new_raw(&arrow_null_bitmap);
  } else {
    return nullptr;
  }
}

/**
 * garrow_array_get_value_data_type: