MYSQL根据分组获取组内多条数据中符合条件的一条(实例详解)

//TP6写法
        $aids = Db::name('answer')->whereIn('qid', $qids)->group('qid')->column("SUBSTRING_INDEX(group_concat(id ORDER BY top desc, sort asc, pinglun desc, zan desc, id desc),',',1) as aid");
        $aids = array_column($aids, 'aid');
        $qid_answer = Db::name('answer')->whereIn('id', $aids)->column("id,qid,title", 'qid');

SEECT
            d.DETAIL_ID,
            d.WARE_ID,
            d.WARE_NAME,
            d.`STATUS`,
            d.material_id,
            d.material_info,
            d.conversion_rate,
                        m.assign_purorg_id
        FROM
            `order_detail` d
                LEFT JOIN mall_order m ON d.ORDER_ID = m.ORDER_ID
        WHERE
            (d.WARE_ID,m.assign_purorg_id) in(('1','1910260249874688'),('54','1910264272376064'),('54','1910260249874688'))
            AND d.dr =0
            and m.dr= 0
          AND d.`STATUS` NOT IN (
                                 "SAVED",
                                 "COMMITEN",
                                 "REJECTED"
            )