Class column_reference

expr.hh:61–66

};

struct column_reference: value_expr {
  column_reference(prod *p, sqltype *type_constraint = 0);
  virtual void out(std::ostream &out) { out << reference; }
  std::string reference;
  virtual ~column_reference() { }
};

struct coalesce : value_expr {
  const char *abbrev_;