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1. Refactored every client (Rust core, Python, Node/TypeScript) so “namespace” usage is explicit: code now keeps namespace paths (namespace_path) separate from namespace clients (namespace_client). Connections propagate the client, table creation routes through it, and managed versioning defaults are resolved from namespace metadata. Python gained LanceNamespaceDBConnection/async counterparts, and the namespace-focused tests were rewritten to match the clarified API surface. 2. Synchronized the workspace with Lance 5.0.0-beta.3 (see https://github.com/lance-format/lance/pull/6186 for the upstream namespace refactor), updating Cargo/uv lockfiles and ensuring all bindings align with the new namespace semantics. 3. Added a namespace-backed code path to lancedb.connect() via new keyword arguments (namespace_client_impl, namespace_client_properties, plus the existing pushdown-ops flag). When those kwargs are supplied, connect() delegates to connect_namespace, so users can opt into namespace clients without changing APIs. (The async helper will gain parity in a later change)
LanceDB JavaScript SDK
A JavaScript library for LanceDB.
Installation
npm install @lancedb/lancedb
This will download the appropriate native library for your platform. We currently support:
- Linux (x86_64 and aarch64 on glibc and musl)
- MacOS (Intel and ARM/M1/M2)
- Windows (x86_64 and aarch64)
Usage
Basic Example
import * as lancedb from "@lancedb/lancedb";
const db = await lancedb.connect("data/sample-lancedb");
const table = await db.createTable("my_table", [
{ id: 1, vector: [0.1, 1.0], item: "foo", price: 10.0 },
{ id: 2, vector: [3.9, 0.5], item: "bar", price: 20.0 },
]);
const results = await table.vectorSearch([0.1, 0.3]).limit(20).toArray();
console.log(results);
The quickstart contains more complete examples.
Development
See CONTRIBUTING.md for information on how to contribute to LanceDB.