摘要: 想必各位在开发过程中一定使用过:统计的功能,用到了很多SQL的函数,于是就直接写在Mapper文件中了; 比如: member_num,MAX(ID) AS newestLoanID,MIN (ID) AS earlyLoanID,SUM(applied_amount) AS sumLoansAmo 阅读全文
posted @ 2018-03-30 15:55 白壮丽 阅读(1370) 评论(0) 推荐(0) 编辑