记一次Group by 查询时的ONLY_FULL_GROUP_BY错误以及后续

转载 https://blog.csdn.net/Abysscarry/article/details/79468411
编辑mysql配置文件： my.cnf
[mysqld] 下添加
sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION
重新启动 mysql 服务