今天在测试服务器上突然出现了这么一个MySQL的问题,同样的代码正式服没有问题,那肯定就是出在了配置上,查了一下原因才明白原来是数据库版本为5.7以上的版本, 默认是开启了 only_full_group_by 模式的,但开启这个模式后,原先的 group by 语句就报错, 查询MySQL版本可以在命令行模式刚连接上数据库时就能看到,或者在进入mysql后使用命令:status查看版本号, 既然是版本的问题,那就查询一下配置看看具体的情况,命令行连接上数据库,再输入命令: select @@s…

实测,解决问题; 1.错误提示: 2.检查参数设置: 3.mysql的配置文件my.cnf里面可以修改, 但是,改完以后,你检查所有的参数设置都是对的,就是运行不了.怎么办?怎么办? 4.如果还是不行而且确定修改了.那这个问题就麻烦了.我是在存储过程里面遇到问题. 在mysql里面调用,没有问题.但是在代码里面调用了不行,检查,检查 show create procedure aaa; 然后发现了什么? 正常的,对的: 而出问题的: 问题总结: 在初始的时候,mysql的配置文件没有修改 mys…

视图查询的时候本地数据库报错: 解决办法: 1.查看sql_mode select @@global.sql_mode STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION 2.去掉ONLY_FULL_GROUP_BY,重置: set @@global.sql_mode ='STRICT_TRANS_TABLES,…

执行代码 set global sql_mode='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION'; set session sql_mode='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_ENGINE_SUBSTITUTION';…

原因分析:MySQL5.7版本默认设置了 mysql sql_mode = only_full_group_by 属性,导致报错. 1.查看sql_mode SELECT @@sql_mode; 2.去掉ONLY_FULL_GROUP_BY,重新设置值. SET @@global.sql_mode ='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO…

用到GROUP BY 语句查询时com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'col_user_6.a.START_TIME' which is not functionally dependent on columns in GROUP BY c…

用到GROUP BY 语句查询时com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'col_user_6.a.START_TIME' which is not functionally dependent on columns in GROUP BY c…

1:报错  关键字 sql_mode=only_full_group_bymysql> select uuid,ip,count(*) from dbname_report.t_client_ips group by uuid limit 1;ERROR 1055 (42000): Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'dbname_report.t_cl…

[42000][1055] Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'test.ai.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by solve: 1.首先启动…

具体错误: SQLSTATE[42000]: Syntax error or access violation: 1055 Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column '库.表.字段' which is not functionally dependent on columns in GROUP BY clause; this is incompatible wi…