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feat: native single-hop Expand via CSR adjacency index (Phase 2, #159) - #162

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jja725 wants to merge 10 commits into

lance-format:mainfrom

jja725:feat/csr-native-expand

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feat: native single-hop Expand via CSR adjacency index (Phase 2, #159)#162
jja725 wants to merge 10 commits into
lance-format:mainfrom
jja725:feat/csr-native-expand

Commits on Jun 23, 2026
- docs: add Phase 2 CSR native expand operator design
  
  jja725
  and
  claude
  committed
  76b9c2d
- docs: add Phase 2 CSR native expand implementation plan
  
  jja725
  and
  claude
  committed
  87ee0d3
- feat(csr): add_edges_from_batch_with_columns for custom edge column names
  jja725
  committed
  3df32d7
- refactor(native): promote lance_native_planner to module dir; add NativeDirection
  jja725
  committed
  0c43408
- feat(native): CsrExpandNode/Exec and expand_batch core
  
  jja725
  and
  claude
  committed
  5fc7664
- feat(native): RowMaterializer, LanceTakeNode/Exec, take_batch core
  jja725
  committed
  fce3edb
- feat(native): CsrExtensionPlanner + CsrQueryPlanner physical planning
  jja725
  committed
  f2a1526
- feat(native): LanceNativePlanner single-hop lowering with DataFusion fallback
  jja725
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  f622fb4
- feat(native): wire LanceNative execution strategy + e2e parity tests
  
  jja725
  and
  claude
  committed
  2df8fcc
- test(csr): add error-path tests and doc comment for add_edges_from_batch_with_columns
  
  jja725
  and
  claude
  committed
  033a132