摘要: 用locate 是最快的,like 最慢。position一般实战例子:select * from historydatawhere locate('0',opennum) and locate('1',opennum)order by number desc limit 10; 方法一:locat 阅读全文
posted @ 2019-11-29 10:23 一颗吃不完的糖 阅读(873) 评论(0) 推荐(0) 编辑