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feat(index): support zonemap index creation#5170

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everySympathy wants to merge 1 commit into
lance-format:main from
everySympathy:dev-zonemap-indexes
Draft

feat(index): support zonemap index creation #5170
everySympathy wants to merge 1 commit into
lance-format:main from
everySympathy:dev-zonemap-indexes

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@everySympathy

@everySympathy everySympathy commented Jun 9, 2026
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Summary

  • allow create_scalar_index(..., index_type="ZONEMAP") through Lance's native full-dataset scalar index builder
  • document that ZONEMAP is a native fallback, not a Ray distributed metadata-merge path in the current pylance version
  • reject fragment_ids before any replace/drop mutation because pylance does not currently expose distributed ZONEMAP metadata merge support

Validation

  • ruff check lance_ray/index.py tests/test_distributed_indexing.py
  • pytest -q tests/test_distributed_indexing.py::TestZonemapIndexing tests/test_distributed_indexing.py::TestDistributedIndexing::test_distributed_index_error_handling_new_api

@github-actions github-actions Bot added the enhancement New feature or request label Jun 9, 2026
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