Hi, I'm Linwei Zhang (usually naming lewiszlw on the internet):
- 🎓 Computer science graduate from WHUT
- 👨💻 Worked at Meituan / Amazon / Xiaomi
- 💻 Database engineer | 🎮 Hobbyist game dev | Apache DataFusion Committer
- 📄 Resume: English TODO | 中文
- 📱 Contact me: 📫 lewiszlw520@gmail.com | 💬 Wechat: wx597422850 | Discord: linwei#8522
- Social network: 🦣 Mastodon | Twitter
- Others: 知乎 | Bilibili | Youtube
- Minor: Re-export variable provider on apache/datafusion (2 days ago)
- Move
TopKAggregation
rule intophysical-optimizer
crate on apache/datafusion (3 days ago) - Simplify
update_skip_aggregation_probe
method on apache/datafusion (3 days ago) - Fix various typos in aggregation doc on apache/datafusion (5 days ago)
- Remove redundant result of
AggregateFunctionExpr::field
on apache/datafusion (1 week ago) - Make group expressions nullable more accurate on apache/datafusion (1 week ago)
- Minor: Fix grouping set typo on apache/datafusion (1 week ago)
- Improve binary scalars display on apache/datafusion (1 week ago)
- Move
CombinePartialFinalAggregate
rule into physical-optimizer crate on apache/datafusion (1 week ago) - Use
LexRequirement
alias as much as possible on apache/datafusion (2 weeks ago)
- systemxlabs/systemxlabs.github.io - (today)
- apache/datafusion - Apache DataFusion SQL Query Engine (2 days ago)
- NightsWatchGames/jump-jump - 3D wechat jump-jump game made with bevy engine. (3 days ago)
- sqlparser-rs/sqlparser-rs - Extensible SQL Lexer and Parser for Rust (1 week ago)
- NightsWatchGames/screen-ball - Work and play ball game made with bevy engine. (1 week ago)
- tonbo-io/tonbo - A portable embedded database using Arrow. (3 weeks ago)
- systemxlabs/systemxlabs.github.io - (3 months ago)
- google/comprehensive-rust - This is the Rust course used by the Android team at Google. It provides you the material to quickly teach Rust. (5 months ago)
- getzola/zola - A fast static site generator in a single binary with everything built-in. https://www.getzola.org (5 months ago)
- sundy-li/arrow_cli - A Native client talk with server in Flight SQL protocol (5 months ago)
- DataFusion 两阶段并行哈希分组聚合 (2 weeks ago)
- Rust 无畏并发的基础 Send 和 Sync (2 months ago)
- DataFusion 查询引擎 UDF 设计 (3 months ago)
- DataFusion 查询引擎 TreeNode APIs (3 months ago)
- Apache DataFusion 查询引擎论文 (4 months ago)