Method accept

expr.hh:38–42

  virtual ~funcall() { }
  funcall(prod *p, sqltype *type_constraint = 0, bool agg = 0);
  virtual void accept(prod_visitor *v) {
    v->visit(this);
    for (auto p : parms)
      p->accept(v);
  }
};

struct atomic_subselect : value_expr {