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https://github.com/lewiszlw/lewiszlw


https://github.com/lewiszlw/lewiszlw

Last synced: 28 days ago
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README 

        
**Hi, I'm Linwei Zhang** (usually naming **lewiszlw** on the internet):

- 🎓 Computer science graduate from [WHUT](https://en.wikipedia.org/wiki/Wuhan_University_of_Technology)

- 👨‍💻 Worked at [Meituan](https://about.meituan.com/home) / [Amazon](https://www.amazon.com/) / [Xiaomi](https://www.mi.com/)

- 💻 Database engineer | 🎮 Hobbyist game dev | Apache DataFusion Committer

- 📄 Resume: [English TODO](https://github.com/lewiszlw/lewiszlw/blob/main/Resume_EN.md) | [中文](https://github.com/lewiszlw/lewiszlw/blob/main/Resume_CN.md)

- 📱 Contact me: 📫 [[email protected]](mailto:[email protected]) | 💬 Wechat: wx597422850 | Discord: [linwei#8522](http://discordapp.com/users/891664307035713576)

- Social network: 🦣 [Mastodon](https://mastodon.world/@lewiszlw) | [Twitter](https://twitter.com/lewiszlw)

- Others: [知乎](https://www.zhihu.com/people/tian-qian-zhu-wu-ya) | [Bilibili](https://space.bilibili.com/43876861) | [Youtube](https://www.youtube.com/channel/UCnvri1tqAjxsp9nGQ63zUNw)



[![GitHub stats](https://github-readme-stats.vercel.app/api?username=lewiszlw&count_private=true&show_icons=true&theme=solarized-dark&include_all_commits=true)](https://github.com/anuraghazra/github-readme-stats)



#### 🎖️ Open source contributions

- [![Commits to Apache DataFusion](https://img.shields.io/github/commit-activity/t/apache/datafusion?authorFilter=lewiszlw&style=social&label=Apache%20DataFusion)](https://github.com/apache/datafusion/commits?author=lewiszlw)

- [![Commits to Bevy Engine](https://img.shields.io/github/commit-activity/t/bevyengine/bevy?authorFilter=lewiszlw&style=social&label=Bevy%20Engine)](https://github.com/bevyengine/bevy/commits?author=lewiszlw)

- [![Commits to GeoArrow Rust](https://img.shields.io/github/commit-activity/t/geoarrow/geoarrow-rs?authorFilter=lewiszlw&style=social&label=GeoArrow%20Rust)](https://github.com/geoarrow/geoarrow-rs/commits?author=lewiszlw)



#### 🔨 Check out my recent pull requests



- [Fix build badge](https://github.com/smol-rs/async-executor/pull/128) on [smol-rs/async-executor](https://github.com/smol-rs/async-executor) (2 weeks ago)

- [Fix build badge](https://github.com/smol-rs/async-task/pull/82) on [smol-rs/async-task](https://github.com/smol-rs/async-task) (2 weeks ago)

- [Reuse `spill_record_batch_by_size` function](https://github.com/apache/datafusion/pull/12389) on [apache/datafusion](https://github.com/apache/datafusion) (4 weeks ago)

- [Minor: Re-export variable provider](https://github.com/apache/datafusion/pull/12351) on [apache/datafusion](https://github.com/apache/datafusion) (1 month ago)

- [Move `TopKAggregation` rule into `physical-optimizer` crate](https://github.com/apache/datafusion/pull/12334) on [apache/datafusion](https://github.com/apache/datafusion) (1 month ago)

- [Simplify `update_skip_aggregation_probe` method](https://github.com/apache/datafusion/pull/12332) on [apache/datafusion](https://github.com/apache/datafusion) (1 month ago)

- [Fix various typos in aggregation doc](https://github.com/apache/datafusion/pull/12301) on [apache/datafusion](https://github.com/apache/datafusion) (1 month ago)

- [Remove redundant result of `AggregateFunctionExpr::field`](https://github.com/apache/datafusion/pull/12258) on [apache/datafusion](https://github.com/apache/datafusion) (1 month ago)

- [Make group expressions nullable more accurate](https://github.com/apache/datafusion/pull/12256) on [apache/datafusion](https://github.com/apache/datafusion) (1 month ago)

- [Minor: Fix grouping set typo](https://github.com/apache/datafusion/pull/12216) on [apache/datafusion](https://github.com/apache/datafusion) (1 month ago)



#### 👷 Check out what I'm currently working on



- [apache/datafusion](https://github.com/apache/datafusion) - Apache DataFusion SQL Query Engine (1 week ago)

- [NightsWatchGames/jump-jump](https://github.com/NightsWatchGames/jump-jump) - 3D wechat jump-jump game made with bevy engine. (1 week ago)

- [systemxlabs/systemxlabs.github.io](https://github.com/systemxlabs/systemxlabs.github.io) -  (2 weeks ago)

- [smol-rs/async-executor](https://github.com/smol-rs/async-executor) - Async executor (2 weeks ago)

- [smol-rs/async-task](https://github.com/smol-rs/async-task) - Task abstraction for building executors (2 weeks ago)



#### ⭐ Check out my recent stars



- [tokio-rs/tokio](https://github.com/tokio-rs/tokio) - A runtime for writing reliable asynchronous applications with Rust. Provides I/O, networking, scheduling, timers, ... (3 weeks ago)

- [rust-lang-cn/nomicon-zh-Hans](https://github.com/rust-lang-cn/nomicon-zh-Hans) - Rust 死灵书简体中文翻译 (4 weeks ago)

- [tonbo-io/tonbo](https://github.com/tonbo-io/tonbo) - A portable embedded database using Arrow. (1 month ago)

- [systemxlabs/systemxlabs.github.io](https://github.com/systemxlabs/systemxlabs.github.io) -  (4 months ago)

- [google/comprehensive-rust](https://github.com/google/comprehensive-rust) - This is the Rust course used by the Android team at Google. It provides you the material to quickly teach Rust. (6 months ago)



#### 📜 Check out my recent blog posts



- [Rust 异步运行时 smol 剖析](https://systemxlabs.github.io/blog/smol-async-runtime/) (3 weeks ago)

- [DataFusion 查询引擎两阶段并行哈希分组聚合](https://systemxlabs.github.io/blog/datafusion-grouped-aggregations/) (1 month ago)

- [Rust 无畏并发的基础 Send 和 Sync](https://systemxlabs.github.io/blog/rust-send-sync/) (3 months ago)

- [DataFusion 查询引擎 UDF 设计](https://systemxlabs.github.io/blog/datafusion-udf/) (4 months ago)

- [DataFusion 查询引擎 TreeNode APIs](https://systemxlabs.github.io/blog/datafusion-tree-node-apis/) (4 months ago)