1055(42000): SELECT list is not in GROUP BY clause and contains nonaggregated column 原因与解决方案 该报错主要是因为sql_mode参数被修改导致: 原因一:用户修改sql_mode参数导致GROUP BY的语法不合规 原因:用户修改了sql_mode参数,添加了ONLY_FULL_GROUP_BY条件,导致GROUP BY的语法不符合规范。 解决方案:...
MySQL中遇到“SELECT list is not in GROUP BY clause and contains nonaggregated”错误通常是因为在GROUP BY查询中,SELECT列表中的某些列既没有被包含在GROUP BY子句中,也没有使用聚合函数。 这个错误在MySQL 5.7及以上版本中较为常见,因为这些版本默认启用了ONLY_FULL_GROUP_BY SQL模式。该模式要求,在使用GROUP ...
Expression #2 ofSELECT list is not in GROUP BY clause and contains nonaggregatedcolumn ‘sss.month_id’ which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by 问题出现的原因:MySQL5.7.5及以上功能依赖检测功能。如果启用了ONLY_FULL...
1055 - Expression #3 of SELECT list is not in GROUP BY clause and contains nonaggregated column ...
Mysql:SELECT list is not in GROUP BY clause 操作系统:windows mysql版本:5.7 详细报错: Expression #3 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'db.table_name.item_name' which is not functionally dependent on columns in GROUP BY clause; this is incompatible ...
当遇到数据库重复数据,就要将数据进行分组,取其中一条来展示,此时就要用到group by语句。 但当mysql的版本高于5.7时,在执行group by时,select的字段不属于group by的字段的话,就会报错。报错信息如下: 1055- Expression #1of SELECT list is notinGROUP BY clause and contains nonaggregated column ‘数据库名.表...
简介:在MySQL中,当你使用GROUP BY子句时,SELECT列表中的所有列必须被聚合或包含在GROUP BY子句中。否则,你会遇到“Expression #4 of SELECT list is not in GROUP BY clause and contains nonaggregated column ...”的错误。这篇文章将解释这个问题的原因,并提供几种解决方案。
【摘要】 MySQL ERROR 1055 (42000): #19 of SELECT list is not in GROUP BY 项目背景: 客户现有环境Mysql版本为5.6,项目迁移至Kunpeng环境,需要对MySQL进行升级,升级至5.7版本,接口调用报错。 问题排查定位: Debug调试定位问题出现在Dao层,找到执行报错的SQL语句,在数据库运行,报错信息如下: ...
看标题我相信大家都会有个疑惑,用个GROUP BY 查询怎么还会出问题?这不是很常见的一个查询语句吗?带着疑惑继续往下看吧。 一、错误信息 我们先来看看错误信息 1055 - Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'toolkit.user.id' which is not functionally ...