Function garrow_hash_join_node_options_new

c_glib/arrow-glib/compute.cpp:1922–1955

* garrow_hash_join_node_options_new: * @type: A #GArrowJoinType to be used. * @left_keys: (array length=n_left_keys): Left join keys. * @n_left_keys: The number of @left_keys. * @right_keys: (array length=n_right_keys): Right join keys. * @n_right_keys: The number of @right_keys. * @error: (nullable): Return location for a #GError or %NULL. * * Returns: (nullable): A newly created #GArrowH

 * Since: 7.0.0
 */
GArrowHashJoinNodeOptions *
garrow_hash_join_node_options_new(GArrowJoinType type,
                                  const gchar **left_keys,
                                  gsize n_left_keys,
                                  const gchar **right_keys,
                                  gsize n_right_keys,
                                  GError **error)
{
  auto arrow_type = static_cast<arrow::acero::JoinType>(type);
  std::vector<arrow::FieldRef> arrow_left_keys;
  for (gsize i = 0; i < n_left_keys; ++i) {
    if (!garrow_field_refs_add(arrow_left_keys,
                               left_keys[i],
                               error,
                               "[hash-join-node-options][new][left-key]")) {
      return NULL;
    }
  }
  std::vector<arrow::FieldRef> arrow_right_keys;
  for (gsize i = 0; i < n_right_keys; ++i) {
    if (!garrow_field_refs_add(arrow_right_keys,
                               right_keys[i],
                               error,
                               "[hash-join-node-options][new][right-key]")) {
      return NULL;
    }
  }
  auto arrow_options = new arrow::acero::HashJoinNodeOptions(arrow_type,
                                                             std::move(arrow_left_keys),
                                                             std::move(arrow_right_keys));
  auto options =
    g_object_new(GARROW_TYPE_HASH_JOIN_NODE_OPTIONS, "options", arrow_options, NULL);
  return GARROW_HASH_JOIN_NODE_OPTIONS(options);
}

/**
 * garrow_hash_join_node_options_set_left_outputs: