prize_id, box_id, awards_id, ref_id, title, pic_url, prize_type, quantity, cashed_qty, remain_qty, value, sort_weight, is_deleted, created_time, updated_time select if(t2.prize_type = 'goods' AND t3.title is not null,t3.title,t2.title) as title, if(t2.prize_type = 'goods' AND t3.title is not null,t3.pic_url,t2.pic_url) as pic_url, if(t2.prize_type = 'goods' AND t3.value is not null,t3.value,t2.value) as value, if(t4.coupon_detail is not null, t3.coupon_detail, '') as coupon_detail, t1.*, t2.* from mp_ticket_awards t1 left join mp_ticket_awards_prize t2 on t1.awards_id = t2.awards_id left join mp_goods t3 on t2.ref_id = t3.goods_id left join mp_coupon t4 on t2.ref_id = t4.coupon_id ${ew.customSqlSegment} select case t1.prize_type when 'goods' then if(t2.title is not null, t2.title, t1.title) when 'coupon' then if(t3.title is not null, t3.title, t1.title) when 'coupon_pkg' then if(t4.title is not null, t4.title, t1.title) else t1.title end as title, case t1.prize_type when 'goods' then if(t2.pic_url is not null, t2.pic_url, t1.pic_url) when 'coupon' then if(t3.pic_url is not null, t3.pic_url, t1.pic_url) when 'coupon_pkg' then if(t4.pic_url is not null, t4.pic_url, t1.pic_url) else t1.pic_url end as pic_url, case t1.prize_type when 'goods' then if(t2.value is not null, t2.value, t1.value) when 'coupon' then if(t3.discount is not null, t3.discount, t1.value) when 'coupon_pkg' then if(t4.face_price is not null, t4.face_price, t1.value) else t1.value end as value, case t1.prize_type when 'goods' then if(t2.cost is not null, t2.cost, 0) else 0 end as cost, if(t3.coupon_detail is not null, t3.coupon_detail, '') as coupon_detail, t1.* from mp_ticket_awards_prize t1 left join mp_goods t2 on t1.ref_id = t2.goods_id left join mp_coupon t3 on t1.ref_id = t3.coupon_id left join mp_coupon_pkg t4 on t1.ref_id = t4.id ${ew.customSqlSegment}