mysql order by 报错_mysql 高版本order by 报错解决方案
错误提示
SQL 错误 [1055] [42000]: Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'user.bbs_user.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with
1、查看sql_mode
1 select @@global.sql_mode;
查询出来的值为：
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
2、去掉ONLY_FULL_GROUP_BY，重新设置值。
1 set @@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';
3、上面是改变了全局sql_mode，对于新建的数据库有效。对于已存在的数据库，则需要在对应的数据下执行：
1 set sql_mode ='STRICT_TRANS_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION';