ExperimentalExperimentalSchema, geometry column(s), CRS, and row estimate.
ExperimentalExecute a reviewed plan with ephemeral sources supplied by an opaque resource resolver. The sources are compiled and consumed immediately and never enter the runtime profile cache.
Typed escape hatch returned by
Source.protocol("geoparquet"). Exposes the DuckDBdescribe()metadata (REQ-003) and a raw-SQL run for advanced use.