1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column

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

原因：这是数据库的sql_mode设置的有问题。Mysql可以支持不同的SQL模式，不同的SQL模式会有不同的语法，执行不同的数据校验简查。

首先，可以先查看一下数据库现在的sql_mode的值，sql语句为：

select version(), @@sql_mode;

然后可以使用如下语句，去设置自己需要的sql_mode.

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