feat(python): expose the distance_range param in the Python scanner nearest config#5486
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wjones127 merged 2 commits intolance-format:mainfrom Jan 2, 2026
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xloya
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distance_range param in the Python scanner nearest configuration for vector searchdistance_range param in the Python scanner nearest config
wjones127
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distance_range param in the Python scanner nearest configdistance_range param in the Python scanner nearest config
jackye1995
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Jan 21, 2026
… `nearest` config (lance-format#5486) Rust core now supports limiting the distance range during vector searches. This parameter can be exposed in the Python SDK so that users can limit the distance range of the returned results when performing vector queries. User could use this to do a vector distance range search: ```python import lance ds = lance.dataset("vec_test.lance") q = ds.sample(1).column("vec").to_pylist()[0] distance_range = (0.0, 1.0) results = ds.to_table( columns=["id"], nearest={ "column": "vector", "q": q, "k": 20, "distance_range": distance_range, }, ) ``` Co-authored-by: xloya <xiaojiebao@apache.org> Co-authored-by: Will Jones <willjones127@gmail.com>
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Rust core now supports limiting the distance range during vector searches. This parameter can be exposed in the Python SDK so that users can limit the distance range of the returned results when performing vector queries.
User could use this to do a vector distance range search: