解决MySQL报错:1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'informat

解决MySQL报错:1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'informat

转自:https://blog.csdn.net/HaHa_Sir/article/details/80503601
2018年05月29日 23:10:52 HaHa_Sir 阅读数:2930
 
  解决MySQL报错:[Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'informat
 
一、问题描述
新安装的MySQL5.7.22 或 8.0.11,在 Navicat 上执行删除操作时,遇到报错:
[Err] 1055 - 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
 
 
二、问题解决
1、 解决办法: 把 sql_mode中的 only_full_group_by 去掉即可。
2、 办法一 (摘自 这里 只在当前查询页面有效,不能一次性解决问题!):
  • select version(), @@sql_mode;
  • SET sql_mode=(SELECT REPLACE(@@sql_mode,'ONLY_FULL_GROUP_BY',''));
 
3、办法二: 修改 my.cnf 文件的 sql_mode (一次性解决问题)
  • 查找 my.cnf 文件: find / -name my.cnf 或者 whereis my.cnf
  • 获取 sql_mode字段内容: SELECT @@sql_mode;
  • 去掉 sql_mode字段中的 only_full_group_by
  • 编辑 my.cnf: vim /etc/my.cnf 将上一步骤的 sql_mode 字段内容添加至 my.cnf
  • 保存,重启: service mysqld restart
  • sql_mode 字段参考:
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
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