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CREATE TABLE IF NOT EXISTS cronErr (
id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT,cron_id INT UNSIGNED NOT NULL,code INT NOT NULL,msg MEDIUMBLOB NOT NULL,ts BIGINT UNSIGNED NOT NULL DEFAULT CURRENT_TIM…
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参考:http://www.mysqltutorial.org/mysql-window-functions/mysql-lag-function/中的例子:
` SELECT
val,
ROW_NUMBER() OVER w AS 'row_number',
CUME_DIST() OVER w AS 'cume_dis…
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有计划升级,支持mysql8.0吗
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看引用的是canal-1.1.2,不知mysql8.0.X的版本。
有时间帮忙升级成canal-1.1.4+,才支持mysql8.0.X的版本
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https://programnotes.cn/mysql-backend-index-scan/index.html
在分析一个sql执行计划 123456explain SELECT id,user_idFROM `order`WHERE shop_id = xxx and (corp_id = xxx) ORDER BY create_time DESCLIMIT 10 在返回值的…
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**Preconditions**
* HeidiSQL version: 12.2.0.6576 Portable
* Database type and version: Mysql 8.0.29/8.0.30
* OS: Windows 11
**Describe the bug**
The first time to connect Mysql8(cachin…
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https://zaowan.xyz
部分插件都在自用。
安装环境ubuntu20,nginx,php8.3,mysql8
特别配置
config.php
```
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# 背景
由于我们环境的mysql版本是8.0,所以在一些包含group by关键字的查询sql中,会报如下错误
```
2022-12-05 10:51:25.593 ERROR 30622 --- [nio-7001-exec-6] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [disp…