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Public Surface

These are public contracts — treat them as stable:

  • Report row schemas, TSV column ordering, and the NATIVE_*_TSV_HEADER / NATIVE_*_TSV_SCHEMA_VERSION constants.
  • NATIVE_CUDF_DATAFUSION_METRIC_NAMES and the NativeCudfExec / NativeCudfComposedExec / NativeCudfGpuProducerExec wrappers.
  • Workload env-var names and item shapes (TPC-H / TPC-DS / ClickBench).
  • The closed Error / ErrorCode categories and structured Facts in src/error.rs.

This page is a scaffold. Expand each contract with its schema and versioning notes.