Class join_cond

grammar.hh:62–66

};

struct join_cond : prod {
     static shared_ptr<join_cond> factory(prod *p, table_ref &lhs, table_ref &rhs);
     join_cond(prod *p, table_ref &lhs, table_ref &rhs)
	  : prod(p) { (void) lhs; (void) rhs;}
};

struct simple_join_cond : join_cond {
     std::string condition;