feat: Add distributed ZONEMAP index support and query optimization#18
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universalmind303 merged 1 commit intoJun 4, 2026
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Enables the ZONEMAP scalar index type to be utilized for optimized point lookup scans in `daft-lance` and Daft. Added test cases to cover creating, querying, and verifying ZONEMAP indices. Co-Authored-By: Beinan Wang <beinanwang@microsoft.com>
universalmind303
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Jun 4, 2026
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Summary
_should_use_index_for_point_lookup()indaft_lance/lance_scan.pyto recognize and utilizeZONEMAPscalar indices for point lookup optimizations alongsideBTREEindices.ZONEMAPcreation, query, and invalid types validation intests/io/lancedb/test_lancedb_scalar_index.py.merge_index_metadataonly supportsBTREEandINVERTEDdistributed merges. The pre-existing fallback path safely delegatesZONEMAPto single-threaded index creation at the Lance level.Test Plan
Ran test suite inside
daft-lance:pytest tests/io/lancedb/test_lancedb_scalar_index.py🤖 Generated with Claude Code