only_full_group_by问题而引发的对group by的深入思考

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only_full_group_by问题而引发的对group by的深入思考

问题背景最近在项目中使用mysql的group by进行分组查询的场景比较多,其中一次遇到了一个问题,即在开发环境执行一个如下sql时是正确且可执行的, select a,b,max(c) from test_tbl group by a 但是放到了测试环境就会报如下的错误. [Err] 1055 - Expression #1 of ORDER BY clause is not in GROUP BY clause and contains nonaggregated column 'you…

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关于Mysql5.7高版本group by新特性报错

一个项目的开发到测试上线运营,团队对项目的管理不成熟会影响项目的开发效率.由于项目是我刚接手,独自在Centos搭建PHP环境,所以就考虑使用高版本,选择了Mysql5.7,本地开发环境还是Windows继承环境,PHP环境和Centos是统一的7.0,但是Mysql版本是5.3的,本地开发一切顺利,到了Centos下出现了一些问题,这就是因为开发环境和测试|线上环境不一致导致的. mysql命令gruop by报错this is incompatible with sql_mode=only_…

mysql5.7.X版本only_full_group_by问题解决

一.出错原因最近因为开发数据库与部署数据库版本不同,带来了几个问题,其中only_full_group_by问题是之前没有遇到的. 具体报错如下 [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…

Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: ..... this is incompatible with sql_mode=only_full_group_by

一.异常信息 org.springframework.jdbc.BadSqlGrammarException: ### Error querying database. Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'daotable.…

mysql only_full_group_by报错的问题（转）

原文:https://www.cnblogs.com/jim2016/p/6322703.html 在mysql 工具搜索或者插入数据时报下面错误: ERROR 1055 (42000): Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'database_tl.emp.id' which is not functionally dependent on colum…

!!!sql_mode=only_full_group_by配置

Expression #7 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'invoicecertify.goods.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by 问题: select sum…

mysql命令gruop by报错this is incompatible with sql_mode=only_full_group_by

在mysql 工具搜索或者插入数据时报下面错误: ERROR 1055 (42000): Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'database_tl.emp.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with s…