feat: Implement full Lance maintenance SQL surface and internal-only maintenance APIs#155
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feat: Implement full Lance maintenance SQL surface and internal-only maintenance APIs#155
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Xuanwo
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This PR completes end-to-end maintenance support for Lance datasets in the DuckDB extension using stable SQL entry points, while keeping metadata/maintenance functions internal-only per repository policy. It adds parser/planner support for
OPTIMIZE,VACUUM LANCE,ALTER INDEX ... OPTIMIZE, and auto-cleanup configuration/query SQL, all routed through a unified maintenance execution path.It also extends the Rust/C FFI to support options + structured metrics for compaction, cleanup, and index optimization, so maintenance behavior is both tunable and observable from SQL. Alongside the implementation, this PR adds focused sqllogictest coverage for surface syntax, options/error semantics, concurrency scenarios, and auto-cleanup configuration flow.
Context:
uv run make formatGEN=ninja make test_debug(all test/sql passed, with env-gated skips)