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09b1bbc12a
BREAKING CHANGE: direct Rust users lose the `IndexStatistics::loss` field. Python and Node.js consumers are unaffected in practice for remote tables (the value was always `None`/absent), but the attribute is gone for local tables too. `IndexStatistics::loss` was local-only — LanceDB Cloud never returned it, so `RemoteTable::index_stats` always set `loss: None`. It's vestigial; this removes it. - Remove `loss` from `IndexStatistics` and the internal `IndexMetadata` in `rust/lancedb/src/index.rs`, plus the summing logic in `NativeTable::index_stats`. - Drop `loss` from the Python and Node.js bindings (and their tests/docs). Fixes #3493 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
LanceDB Python SDK
A Python library for LanceDB.
Installation
pip install lancedb
Preview Releases
Stable releases are created about every 2 weeks. For the latest features and bug fixes, you can install the preview release. These releases receive the same level of testing as stable releases, but are not guaranteed to be available for more than 6 months after they are released. Once your application is stable, we recommend switching to stable releases.
pip install --pre --extra-index-url https://pypi.fury.io/lancedb/ lancedb
Usage
Basic Example
import lancedb
db = lancedb.connect('<PATH_TO_LANCEDB_DATASET>')
table = db.open_table('my_table')
results = table.search([0.1, 0.3]).limit(20).to_list()
print(results)
Development
See CONTRIBUTING.md for information on how to contribute to LanceDB.