$list = D('qjbs');
$condition['date_on'] = array(between,array($h,$g));
$condition['date_off'] = array(egt,$g);
$condition['_logic'] = 'OR';
$re = $list->where($condition)->Relation(true)->select();
现在这个条件是 或关系 但是我想再加一个 del字段必须等于1 需要怎么写