ORDER BY clause is not in GROUP BY.this is incompatible with sql_mode=only_full_group_by 异常分析解决
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1.分析异常原因：mysql版本导致 mysql sql_mode不支持only_full_group_by
2.分析解决过程：
查看sql_mode
SELECT @@sql_mode;
去掉ONLY_FULL_GROUP_BY，重新设置值
SET @@global.sql_mode ='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION';
修改MySQL配置文件
Linux下my.cnf或Windows下My.ini
[mysqld]
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION
mysql 重启：
systemctl restart mysql.service 或者 service mysqld restart
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