mysql [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 GRO
[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
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;
获取结果可能如下,不同的设置查询出来的有区别:
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',''));
试了下不行
再次寻找解决方法
通过select version(), @@sql_mode 命令查询,发现 里面 有 ONLY_FULL_GROUP_BY , 将其删除掉,
再把sql_mode='NO_ENGINE_SUBSTITUTION',复制到/etc/my.cnf文件中,重启
如图:
成功解决
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