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Adds `Table::get_lsm_write_spec` returning `Option<LsmWriteSpec>`, the read counterpart to `set_lsm_write_spec` / `unset_lsm_write_spec`. - Rust core: `NativeTable` reconstructs the spec from the MemWAL index details (`mem_wal_index_details`), resolving the shard column via the dataset schema. Read-only, so unaffected by describe_indices filtering. - Remote: `RemoteTable` reads the `__lance_mem_wal` system index via `index/list` with `include_system: true` (kept out of the curated `list_indices` surface) and parses its `details` JSON, using the server-resolved `column` name. - Python and TypeScript bindings, sync + async, with round-trip tests. The remote path depends on lance emitting the resolved shard column name in the MemWAL index details JSON, and on the server honoring `include_system` on `index/list`. Co-Authored-By: Claude Opus 4.8 <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.