mysql5.7查询数据group by分组时报错
错误代码：1055 Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'chaichaile.task001_bank.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
解决问题
先进入Mysql客户端执行命令
select @@GLOBAL.sql_mode; +------------------------------------------------------------+ | @@GLOBAL.sql_mode | +------------------------------------------------------------+ |ONLY_FULL_GROUP_BY,STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION +------------------------------------------------------------+
在服务器上找到my.cnf，在[mysqld]下面添加查询出来的值，删除ONLY_FULL_GROUP_BY。
[mysqld] sql_mode=STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
重启mysql 服务。
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