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',''));

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