question_typeFROMlms_questionWHEREcompany_id={}ANDis_deleted=0;".format (self.company_id) 运行后报错 : pymysql.err.OperationalError: (1054, "Unknown column 'None' in 'where clause'") 调试后发现问题所在,原来company_id传参时,传了None值,所以才报这个错 ! E pymysql.err.OperationalError: (105...
E pymysql.err.OperationalError: (1054,"Unknown column 'LO20220907000000010' in 'where clause'") 打印下sql语句: exe_sql=== select *fromrepay_plan WHERE loan_order_no=LO20220907000000011 我们发现【loan_order_no】的值是没有加引号的,把引号加上,就可以正常执行了 exe_sql = f"select * from repa...
UPDATE test.student class SET class = ( SELECT class FROM student WHERE student.na = '李四') WHERE student.na = '张三' 1. 2. 3. 4. 二.遇到问题,搜索,解决问题…… 1.遇到的第一个问题-1054: 1054 - Unknown column ‘student.na’ in 'where clause’ 于是我将代码删减,排查可能的错误 UPD...
#1054 - Unknown column 'undefined' in 'where clause' and #1064 - 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 Describe the bug There are two issues with the SQL parser and also howCOUNTvscountis i...
解决“pymysql.err.OperationalError: (1054, "Unknown column ‘nan’ in ‘where clause’”问题的步骤 流程图 问题出现检查SQL语句检查表结构检查数据类型检查数据调试代码修改SQL语句重新执行SQL语句问题解决 步骤及代码解释 步骤1:检查SQL语句 首先,我们需要检查SQL语句是否正确。错误信息中指出了一个未知的列名'nan...
Unknowncolumn′xxx′in′whereclause′ AI代码助手复制代码 解决步骤: sql中如果name是整型的倒不会出现什么错误,而如果sql中字符串类型必须要包含在引号内。 所以修改sql为 Stringsql="select age from user where name=′"+xxx+"′"; AI代码助手复制代码 ...
今天使用.Net操作mysql查询的时候,如果加上条件查询的时候就会出现 Unknown column 'UserName' in 'where clause'这个错,不加条件直接select * from 表名是没有没问题的 原因是连接mysql字符串的数据库名称写错,这是一个很低级的错误,但是往往是最容易忽略的,因为你没加条件查询是没有问题的,加了条件才会出现这个...
linux-deploy 安装MySQL,报错解决 ERROR 1054 (42S22) at line 1: Unknown column 'password' in 'where clause',程序员大本营,技术文章内容聚合第一站。
Please help, I am getting the error: SQLSTATE[42S22]: Column not found: 1054 Unknown column 'user_name' in 'where clause' here is my code: [php] <?php class USER { private $db; function __construct($DB_con) { $this->db = $DB_con; ...
Error Code: 1054. Unknown column 'sdate' in 'where clause'Ask Question Asked 5 years, 8 months ago Modified 5 years, 8 months ago Viewed 392 times 0 I got this error in my Query, do you have any idea how can I put the sdate in the 2 layer subquery? select at.startDate as ...