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
- Commits to Apache DataFusion Commits to Arrow Rust Commits to Iceberg Rust
- Commits to GeoArrow Rust Commits to Geozero
- Commits to Bevy Engine
- Commits to rCore-Tutorial-Book-v3
- test: expand gaussdb integration coverage on systemxlabs/datafusion-remote-table (2 days ago)
- refactor(mdb): remove dummy bind_col from list_tables_sync on systemxlabs/datafusion-remote-table (5 days ago)
- refactor(mdb): use safe conn.execute() for fetch_table_row_count on systemxlabs/datafusion-remote-table (5 days ago)
- refactor(mdb): remove dummy bind_col workaround in query on systemxlabs/datafusion-remote-table (5 days ago)
- refactor(mdb): use safe conn.execute() for query on systemxlabs/datafusion-remote-table (5 days ago)
- refactor(mdb): use SQLExecDirect for infer_schema (simpler than prepare+execute) on systemxlabs/datafusion-remote-table (5 days ago)
- refactor(mdb): use safe conn.prepare() for infer_schema on systemxlabs/datafusion-remote-table (5 days ago)
- chore: switch bb8-gaussdb to crates.io v0.1, pin odbc-api to 28.1.1 on systemxlabs/datafusion-remote-table (5 days ago)
- fix(hnsw): single nearest() call, avoid copy_from_slice panic on systemxlabs/indexlake (1 week ago)
- fix(hnsw): ef_search in query, explicit beam width via nearest() on systemxlabs/indexlake (1 week ago)
- systemxlabs/systemxlabs.github.io - (4 days ago)
- systemxlabs/datafusion-remote-table - A DataFusion table provider for executing SQL on remote databases. (5 days ago)
- systemxlabs/indexlake - An experimental table format with extensible index and inline table support. (1 week ago)
- systemxlabs/bb8-gaussdb - A GaussDB / openGauss adaptor for bb8 connection pool. (1 week ago)
- systemxlabs/datafusion-loki - A datafusion table provider for querying loki data. (2 weeks ago)
- mengxi-ream/read-frog - 🐸 Read Frog - Open Source Immersive Translate | 🐸 陪读蛙 - 开源沉浸式翻译 (1 week 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 (2 weeks ago)
- SaladDay/cc-switch-cli - ⭐️ A cross-platform CLI All-in-One assistant tool for Claude Code, Codex & Gemini CLI. (2 weeks ago)
- djc/bb8 - Full-featured async (tokio-based) postgres connection pool (like r2d2) (2 months ago)
- corespeed-io/wechatbot - 微信 iLink Bot SDK for OpenClaw/AI Agent (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)