亚洲精品一二三区久久伦理中文,免费视频黄,国产伦精品一区二区三区88av,亚洲乱码一区,日韩av黄,国产精品18久久久久白浆,国产99免费

<progress id="ldfte"><menuitem id="ldfte"></menuitem></progress>

sqlserver去重

select count(*) as H from (select user_id, ROW_NUMBER() OVER (PARTITION BY tb.user_id order by tb.id) rn from? tb where user_id>0) T where rn =1