由于程序bug,导致之前很多数据入库后信息不全,好在有基础信息表,可以通过基础信息表更新缺失字段信息 1.通过 inner join语法实现多关联更新 update a set a.name = b.name from product_detail a inner join product_base_info b on a.id = b.id 2.也可以直接用where语句 update a set a.name = b.name from product_detail a,product_ba
报错: org.springframework.expression.spel.SpelEvaluationException: EL1007E: Property or field 'status' cannot be found on null 如果检查 自己写的SQL语句完全没有问题的情况下,并且已经使用了@Param(value ="") 那么你需要注意,@Param()这个注解引入的jar包是jpa的jar包还是ibatis的jar包. 注意@Param()引用的jar包是否
很久没动pod,最近更新发现: CocoaPods报CocoaPods was not able to update the `master` repo. If this is an unexpected issue and persists you can inspect it running `pod repo update --verbose`错误. 使用命令pod repo update --verbose依然 不行,报同样的错,也检查了gem.pod版本,都没问题 不过偶然发现可能是淘
有时候遇到SqlServer一些报错需要上网查找解决方法,一些比较生僻的问题汉语搜索往往得不到想要的,就要使用英文在外网搜索.之前都是自己尝试翻译,或者使用错误码,或者找个英文版的数据库重现问题.有时候经过多次搜索才能找到准确的翻译,然后使用精确的英文在bing中搜索.今天知道其实在SqlServer中自带了各种语言版本的信息,在sys.messsages中. 入下面的报错: select * from sys.messages where text like '%函数要求有%个参数.' 然后再
mysql> update tf_user_present set condition="0" where id=1;ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'condition="0" wher
[peter@minion ~]$ docker swarm join --token SWMTKN-1-3mj5po3c7o04le7quhkdhz6pm9b8ziv3qe0u7hx0hrgxsnaram-0p1f40vtehanu6ugw8ug2wasy 10.0.0.10:2377 Error response from daemon: error while validating Root CA Certificate: x509: certificate has expired or
The specified LINQ expression contains references to queries that are associated with different cont. 解决方法: 查询源的最后添加.ToList(); 一定是哪里转换成了IEnumerable或其他东东了ToList 就好了!
查询语句: select 分数 from cfull join don c.姓名=d.姓名 报错: [Err] 1054 - Unknown column 'c.姓名' in 'on clause' 经测试: full join 报错, join,没问题, left join 没问题, right join 没问题
使用MySQL执行update的时候报错:Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column To disable safe mode, toggle the option in Preferences -> SQL Queries and reconnect. 在使用mysql执行update的时候,如果不是
在右键项目Update Project之后报错:One or more constraints have not been satisfied.Spring 4.1 requires Java 1.6 or newer. 解决问题: The solution is I have to goto to the ".settings" folder which is at the project location and deleted "org.eclipse.wst.comm