发表于: 2017-10-27 23:26:22

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今天完成的事情:

对了一遍接口文档,准备方案评审的,然后发现方案设计还需要再改一下,不过问题也不大

关于分页查询有点不明白sql怎么写就查了一波

第一种

select distinct uid from 收藏表 order by uid desc limit 0, 10;
select distinct uid from 收藏表 order by uid desc limit 11, 10;

第二种($last_min_uid表示上一次读到的最后一个uid)

select distinct uid from 收藏表 order by uid desc limit 10;
select distinct uid from 收藏表 where uid < $last_min_uid order by uid desc limit 10;

第三种

select uid from 收藏表 group by uid order by uid desc limit 10;
select uid from 收藏表 group by uid having uid < $last_min_uid order by uid desc limit 10;

emmmmm。。。用到的时候再试试吧

看了老大写的新文章,还是有些感触,成功之路真的布满荆棘

明天计划的事情:

Excel建表,复习任务中的知识



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