当前位置:网站首页>Batch update in the project
Batch update in the project
2022-07-05 15:58:00 【Ant HJK】
The business scenario is , Each modified value is different
dao
xml:
This step is not over yet ; here mysql Batch modification is not supported yet, and an error will be reported
Cause: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: 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 'UPDATE weibo_content
SET
EMOTION = 0.0
W' at line 7
; bad SQL grammar []; nested exception is com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: 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 'UPDATE weibo_content
At that time, I always thought that my grammar was wrong, but it was not , This is due to the lack of configuration when configuring the data source
&allowMultiQueries=true This statement allows multiple submissions at a time sql sentence . Especially semicolons ;
Perfect solution , Baidu found it
边栏推荐
- Why should we learn mathematical modeling?
- DataArts Studio数据架构——数据标准介绍
- Fundamentals of data communication - Principles of IP routing
- Data communication foundation smart_ Link_&_ Monitor_ Link
- lv_ font_ Conv offline conversion
- 对象和类的关系
- Record the pits encountered in the raspberry pie construction environment...
- 19.[STM32]HC_ SR04 ultrasonic ranging_ Timer mode (OLED display)
- Write a go program with vscode in one article
- Data communication foundation - dynamic routing protocol rip
猜你喜欢
[brief notes] solve the problem of IDE golang code red and error reporting
Optional parameters in the for loop
Appium自动化测试基础 — APPium基础操作API(一)
【简记】解决IDE golang 代码飘红报错
Intelligent metal detector based on openharmony
CSRF, XSS science popularization and defense
19.[STM32]HC_SR04超声波测距_定时器方式(OLED显示)
写单元测试的时候犯的错
OceanBase社区版之OBD方式部署方式本地安装
定义严苛标准,英特尔Evo 3.0正在加速PC产业升级
随机推荐
Transfer the idea of "Zhongtai" to the code
Data communication foundation - routing communication between VLANs
20. [stm32] realize the function of intelligent garbage can by using ultrasonic module and steering gear
Cs231n notes (medium) -- applicable to 0 Foundation
一文搞定vscode编写go程序
[brief notes] solve the problem of IDE golang code red and error reporting
Data communication foundation - dynamic routing protocol rip
F. Min cost string problem solving Report
Number protection AXB function! (essence)
Memo 00
obj解析为集合
16. [stm32] starting from the principle, I will show you the DS18B20 temperature sensor - four digit digital tube displays the temperature
抽象类和接口的区别
Example project: simple hexapod Walker
18.[STM32]读取DS18B20温度传感器的ROM并实现多点测量温度
Replknet: it's not that large convolution is bad, but that convolution is not large enough. 31x31 convolution. Let's have a look at | CVPR 2022
Value series solution report
Five common negotiation strategies of consulting companies and how to safeguard their own interests
vant tabbar遮挡内容的解决方式
Find the root of the following equation by chord cutting method, f (x) =x^3-5x^2+16x-80=0