Method include_standalone

sql/sql_lex.cc:3347–3354

include on level down (but do not link) SYNOPSYS st_select_lex_node::include_standalone() upper - reference on node under which this node should be included ref - references on reference on this node */

    ref - references on reference on this node
*/
void st_select_lex_node::include_standalone(st_select_lex_node *upper,
                                            st_select_lex_node **ref)
{
  next= 0;
  prev= ref;
  master= upper;
  slave= 0;
}

/* include neighbour (on same level) */
void st_select_lex_node::include_neighbour(st_select_lex_node *before)