MYSQL---Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column

时间 2019-11-06

标签 mysql expression order clause group contains nonaggregated column 栏目 MySQL 繁體版

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--数据库中插入数据或执行sql语句时一直报下面这个错误：
Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'information_schema.PROFILING.SEQ' 
which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

缘由：这是数据库的sql_mode设置的有问题。Mysql能够支持不一样的SQL模式，不一样的SQL模式会有不一样的语法，执行不一样的数据校验简查。sql

首先，能够先查看一下数据库如今的sql_mode的值，sql语句为：数据库

select version(), @@sql_mode;this

获取结果可能以下，不一样的设置查询出来的有区别：spa

而后能够使用以下语句，去设置本身须要的sql_mode..net

SET sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY',''));

code

2、尝试第二种方案orm

一、查看sql_modeblog

select @@sql_mode
查询出来的值为：it

ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTIONio

二、去掉ONLY_FULL_GROUP_BY，从新设置值。

set @@sql_mode =‘STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION‘;
三、上面是改变了全局sql_mode，对于新建的数据库有效。对于已存在的数据库，则须要在对应的数据下执行：

set sql_mode =‘STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION‘;或者：在my.cnf 里面设置sql_mode='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION'在sql_mode 中去掉only_full_group_by 传送门：https://blog.csdn.net/u012259256/article/details/56482218