Hi, I'm Linwei Zhang (usually known as lewiszlw online):
- 🎓 CS graduate from WHUT
- 👨💻 Formerly at Meituan / Amazon / Xiaomi
- 💻 Database engineer | Apache DataFusion committer | Open-source enthusiast
- 📦 My open-source projects are mainly at @systemxlabs and @NightsWatchGames
- 📄 Resume: 中文
- 📱 Reach me: 📫 lewiszlw520@gmail.com | 💬 Wechat: wx597422850
- Twitter | 知乎 | Bilibili | Youtube
- Not set paramset size when size is 1 on pacman82/odbc-api (2 days ago)
- Refactor/mdb pool simplify v2 on systemxlabs/datafusion-remote-table (2 days ago)
- refactor: simplify MDB pool - remove global connection cache on systemxlabs/datafusion-remote-table (2 days ago)
- rename fetch_count method on systemxlabs/datafusion-remote-table (2 days ago)
- refactor: reduce unsafe blocks in MDB module on systemxlabs/datafusion-remote-table (3 days ago)
- feat: MDB count supports table source via ODBC SELECT COUNT(*) on systemxlabs/datafusion-remote-table (3 days ago)
- test: add pushdown_filters integration test for MDB on systemxlabs/datafusion-remote-table (3 days ago)
- refactor: add count method to Connection trait on systemxlabs/datafusion-remote-table (3 days ago)
- Support multi-line input on sundy-li/arrow_cli (3 days ago)
- Upgrade arrow to 58 on sundy-li/arrow_cli (3 days ago)
- systemxlabs/datafusion-remote-table - A DataFusion table provider for executing SQL on remote databases. (2 days ago)
- sundy-li/arrow_cli - A Native client talk with server in Flight SQL protocol (3 days ago)
- systemxlabs/datafusion-loki - A datafusion table provider for querying loki data. (3 days ago)
- systemxlabs/datafusion-dist - A distributed streaming execution library for Apache DataFusion. (4 days ago)
- systemxlabs/indexlake - An experimental table format with extensible index and inline table support. (4 days ago)
- farion1231/cc-switch - A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode, OpenClaw, Gemini CLI & Hermes Agent. Only official website: ccswitch.io (4 days ago)
- SaladDay/cc-switch-cli - ⭐️ A cross-platform CLI All-in-One assistant tool for Claude Code, Codex & Gemini CLI. (4 days ago)
- djc/bb8 - Full-featured async (tokio-based) postgres connection pool (like r2d2) (1 month ago)
- corespeed-io/wechatbot - 微信 iLink Bot SDK for OpenClaw/AI Agent (2 months ago)
- he-yufeng/CoreCoder - Minimal AI coding agent (~1,400 LoC Python) inspired by Claude Code. Works with any LLM. Think NanoGPT for coding agents. Formerly NanoCoder. (2 months ago)
- 开源 datafusion-remote-table 库:在远端数据库执行 SQL 查询 (1 year ago)
- Visitor 模式的两种不同实现分析 (1 year ago)
- DataFusion 查询引擎 Hash Join (1 year ago)
- DataFusion 查询引擎 Nested Loop Join (1 year ago)
- Rust 异步运行时 smol 剖析 (2 years ago)





