Hi folks, this is Jianhui Dong from Beijing, welcome to my GitHub homepage. Here are some brief introduction about me:

• 🎓 Zhejiang University(2018-2021), MSc in Computer Science
• 🎓 Northwest University(2014-2018), BSc in Software Engineering
• ⭐️ Open source enthusiast: Apache Dubbo Committer, Apache Flink Contributor, Apache Calcite Contributor

I'm focusing on flink and middleware, currently working at Meituan. In addition to flink, I'm very interested in the field of databases. As a developer and open source enthusiast, I'm actively contributing code to project apache/flink, apache/dubbo-go and arana-db/arana, anyone who wants to work on the arana is welcome to contact me. Posts about development and other stuff (a vast majority in Chinese🇨🇳) will be updated on my blog, leaving a comment is always appreciated. Here are the latest posts, hope you'll enjoy it:

• 【Flink SQL】Regular Join 乱序问题分析与总结
• 【Calcite】RelNode 优化流程解析 (HepPlanner)
• 【Calcite】Apache Calcite 校验流程源码解读
• 【Calcite】Apache Calcite 框架初探及概念详解
• Java注解的实现原理详解
• Unicode、UTF-8、UTF-16、MUTF-8、Java编码扫盲

Reaching me directly via Email is welcomed 🤟🤟🤟