在容器中运行MySQL,导入表中,出现如下错误:ERROR 2006 (HY000): MySQL server has gone away
这个问题由于好几个方面引起,可以修改MySQL的配置文件my.cnf。也可以直接进入MySQL中查看相关的参数,进行更改,在重新导入相关的库或表,相关参数有:mysql> show global variables like '%timeout'...
框架中报错信息如下:[error][yii\db\Exception] PDOException: SQLSTATE[42000]: Syntax error or access violation: 1055 Expression #3 of SELECT list is not in GROUP BY clause and contains nonaggregated column 't...