$DB->query("create temporary table {$DB->_}membervote_recent (
		                unique key stage (member)
		           ) select member, max(time) as time from {$DB->_}membervote
		             where stage=$this->stage and division=$this->division
		             group by member;");
		$records = $DB->query(
		    "select x.chara as chara, sum(x.weight) as score
		     from {$DB->_}membervote as x, {$DB->_}membervote_recent as y
		     where x.stage=$this->stage and x.division=$this->division and
		           x.member=y.member and x.time=y.time
		     group by x.chara;");