<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[luwei__的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/luwei__</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; luwei__]]></copyright><item><title><![CDATA[python3.10内置库tarfile无法打包文件名含有中文字符的文件]]></title><link>https://blog.youkuaiyun.com/luwei__/article/details/130986633</link><guid>https://blog.youkuaiyun.com/luwei__/article/details/130986633</guid><author>luwei__</author><pubDate>Thu, 01 Jun 2023 14:15:10 +0800</pubDate><description><![CDATA[python3.10 tarfile打包中文名文件]]></description><category></category></item><item><title><![CDATA[python3使用DBUtils以连接池方式管理第三方数据库操作模块（clickhouse连接池）]]></title><link>https://blog.youkuaiyun.com/luwei__/article/details/121037879</link><guid>https://blog.youkuaiyun.com/luwei__/article/details/121037879</guid><author>luwei__</author><pubDate>Fri, 29 Oct 2021 18:02:32 +0800</pubDate><description><![CDATA[就目前使用到的数据库，支持DBUtils管理连接池的有

DBUtils+pymysql
DBUtils+clickhouse_driver

DBUtils就不用过多介绍了，套用官方文档的说法，是一套 Python 模块，允许以安全有效的方式在线程化Python应用程序和数据库之间进行连接。
以前一直用DBUtils+pymysql来管理mysql连接池，直到后来因为用到clickhouse，通过“clickhouse 连接池”关键字在网上找不到实现的方法，于是尝试研究DBUtils连接池实现方法来写一个]]></description><category></category></item><item><title><![CDATA[docker 部署 kafka]]></title><link>https://blog.youkuaiyun.com/luwei__/article/details/120045274</link><guid>https://blog.youkuaiyun.com/luwei__/article/details/120045274</guid><author>luwei__</author><pubDate>Wed, 01 Sep 2021 17:57:50 +0800</pubDate><description><![CDATA[需要先安装好docker和docker-compose
1、新建docker-compose.yml 文件
[root@localhost kafka]# cat docker-compose.yml 
version: '3'
services:
  zookeeper:
    image: wurstmeister/zookeeper
    ports:
      - 2181:2181
    privileged: true
  kafka:
    image: wurstmeister/k]]></description><category></category></item><item><title><![CDATA[sqlalchemy Error:Subquery returns more than 1 row]]></title><link>https://blog.youkuaiyun.com/luwei__/article/details/86542078</link><guid>https://blog.youkuaiyun.com/luwei__/article/details/86542078</guid><author>luwei__</author><pubDate>Fri, 18 Jan 2019 16:18:29 +0800</pubDate><description><![CDATA[sqlalchemy使用filter报错：

报错信息：sqlalchemy.exc.InternalError: (pymysql.err.InternalError) (1242, ‘Subquery returns more than 1 row’)
子查询返回多条结果错误
代码：photos = session.query(Photo).filter(Photo.id ==photo_id...]]></description><category></category></item></channel></rss>