Powder

A zero-copy, multi-language ORM on a single Rust core.

Powder runs one Rust engine under bindings for 9 languages — TypeScript, Python, Rust, Java, Kotlin, Go, C, C++, and C#. Query results cross the language boundary once, as an Arrow-style column buffer (PCB), so there's no per-row conversion tax — and one powder.schema.json derives your typed models, migrations, and validation.

  • ⚡ Fast — faster than the raw SQL driver in every language benchmark.
  • 🧩 One core, one bug — every binding shares the same Rust engine.
  • 📄 Schema is the truth — DDL, migrations, typed models, relations from one file.
  • 🧯 Fails honestly — unmappable types and unbounded deletes error, never pass silently.

Quick look

const db = powder(await Client.connect("app.db"));

const top = await db.users
  .where("score", ">=", 5)
  .orderBy("score", "desc")
  .limit(10)
  .all();

// relations with no N+1, groupBy/having, nested AND/OR/NOT — all in the ORM
const posts = await db.posts.findMany({ include: { user: true } });

Databases

SQLite · PostgreSQL · MySQL · SQL Server · libSQL · CockroachDB

📚 Documentation

Full guides — install, quickstart, per-language usage, per-database notes, and the ORM reference — live at:

https://docs.powder-orm.info/

License

MIT

Key dates

PyPI data
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  • Released:
Latest release

1 maintainer

PyPI data
Data sourced directly from PyPI's database.
Avatar for r2adkr from gravatar.com r2adkr

License

MIT

Requires

Python >=3.9

Classifiers

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