lancedb/CLAUDE.md

LanceDB is a database designed for retrieval, including vector, full-text, and hybrid search. It is a wrapper around Lance. There are two backends: local (in-process like SQLite) and remote (against LanceDB Cloud).

The core of LanceDB is written in Rust. There are bindings in Python, Typescript, and Java.

Project layout:

• rust/lancedb: The LanceDB core Rust implementation.
• python: The Python bindings, using PyO3.
• nodejs: The Typescript bindings, using napi-rs
• java: The Java bindings

(rust/ffi and node/ are for a deprecated package. You can ignore them.)

Common commands:

• Check for compiler errors: cargo check --features remote --tests --examples
• Run tests: cargo test --features remote --tests
• Run specific test: cargo test --features remote -p <package_name> --test <test_name>
• Lint: cargo clippy --features remote --tests --examples
• Format: cargo fmt --all

Before committing changes, run formatting.