Function garrow_struct_array_flatten

c_glib/arrow-glib/composite-array.cpp:1057–1076

* garrow_struct_array_flatten * @array: A #GArrowStructArray. * @error: (nullable): Return location for a #GError or %NULL. * * Returns: (element-type GArrowArray) (transfer full): * The fields in the struct. * * Since: 0.10.0 */

 * Since: 0.10.0
 */
GList *
garrow_struct_array_flatten(GArrowStructArray *array, GError **error)
{
  const auto arrow_array = garrow_array_get_raw(GARROW_ARRAY(array));
  auto arrow_struct_array = std::static_pointer_cast<arrow::StructArray>(arrow_array);

  auto memory_pool = arrow::default_memory_pool();
  auto arrow_arrays = arrow_struct_array->Flatten(memory_pool);
  if (!garrow::check(error, arrow_arrays, "[struct-array][flatten]")) {
    return NULL;
  }

  GList *arrays = NULL;
  for (auto arrow_array : *arrow_arrays) {
    auto array = garrow_array_new_raw(&arrow_array);
    arrays = g_list_prepend(arrays, array);
  }

  return g_list_reverse(arrays);
}

typedef struct GArrowMapArrayPrivate_
{