Method mark_as_dependent

sql/sql_lex.cc:1927–1953

*/

void st_select_lex::mark_as_dependent(st_select_lex *last)
{
  /*
    Mark all selects from resolved to 1 before select where was
    found table as depended (of select where was found table)
  */
  for (SELECT_LEX *s= this;
       s && s != last;
       s= s->outer_select())
  {
    if (!(s->uncacheable & UNCACHEABLE_DEPENDENT))
    {
      // Select is dependent of outer select
      s->uncacheable= (s->uncacheable & ~UNCACHEABLE_UNITED) |
                       UNCACHEABLE_DEPENDENT;
      SELECT_LEX_UNIT *munit= s->master_unit();
      munit->uncacheable= (munit->uncacheable & ~UNCACHEABLE_UNITED) |
                       UNCACHEABLE_DEPENDENT;
      for (SELECT_LEX *sl= munit->first_select(); sl ; sl= sl->next_select())
      {
        if (sl != s &&
            !(sl->uncacheable & (UNCACHEABLE_DEPENDENT | UNCACHEABLE_UNITED)))
          sl->uncacheable|= UNCACHEABLE_UNITED;
      }
    }
  }
}

bool st_select_lex_node::set_braces(bool value)      { return 1; }
bool st_select_lex_node::inc_in_sum_expr()           { return 1; }