Function garrow_array_cast

c_glib/arrow-glib/compute.cpp:4877–4907

* garrow_array_cast: * @array: A #GArrowArray. * @target_data_type: A #GArrowDataType of cast target data. * @options: (nullable): A #GArrowCastOptions. * @error: (nullable): Return location for a #GError or %NULL. * * Returns: (nullable) (transfer full): * A newly created casted array on success, %NULL on error. * * Since: 0.7.0 */

 * Since: 0.7.0
 */
GArrowArray *
garrow_array_cast(GArrowArray *array,
                  GArrowDataType *target_data_type,
                  GArrowCastOptions *options,
                  GError **error)
{
  auto arrow_array = garrow_array_get_raw(array);
  auto arrow_array_raw = arrow_array.get();
  auto arrow_target_data_type = garrow_data_type_get_raw(target_data_type);
  arrow::Result<std::shared_ptr<arrow::Array>> arrow_casted_array;
  if (options) {
    auto arrow_options = garrow_cast_options_get_raw(options);
    arrow_casted_array =
      arrow::compute::Cast(*arrow_array_raw, arrow_target_data_type, *arrow_options);
  } else {
    arrow_casted_array = arrow::compute::Cast(*arrow_array_raw, arrow_target_data_type);
  }
  if (garrow::check(error, arrow_casted_array, [&]() {
        std::stringstream message;
        message << "[array][cast] <";
        message << arrow_array->type()->ToString();
        message << "> -> <";
        message << arrow_target_data_type->ToString();
        message << ">";
        return message.str();
      })) {
    return garrow_array_new_raw(&(*arrow_casted_array));
  } else {
    return NULL;
  }
}

/**
 * garrow_array_unique: