识别大小写字母的查询问题

Question

传统开发SQL用binary识别大小写字母的查询语句可识别大小写：select uid from wjoy_log where binary uid='$uid' order by id desc无法识别大小写语句：$res = WjoyLogModel::create()->where('uid',$uid??'')->field('longurl')->order('id','desc')->get();新的要怎么写也会能识别呢，求助

Answer 1

uid为什么要带字母

Answer 2

大神去哪里了呢？

Answer 3

有大神帮忙不？