Interface SourceProfileExperimental

interface SourceProfile {
    columns: readonly string[];
    crs?: string;
    fields?: readonly SourceProfileField[];
    geometries?: readonly SourceProfileGeometry[];
    geometry?: SourceProfileGeometry;
    rowEstimate?: number;
}

Properties

columns crs? fields? geometries? geometry? rowEstimate?

Properties

Readonly Experimentalcolumns

columns: readonly string[]

Every non-geometry column, in file order.

Optional Readonly Experimentalcrs

crs?: string

CRS identifier, best-effort (OGC:CRS84, an EPSG:####, or a name).

Optional Readonly Experimentalfields

fields?: readonly SourceProfileField[]

Typed DESCRIBE projection used by vendor-neutral schema discovery.

Optional Readonly Experimentalgeometries

geometries?: readonly SourceProfileGeometry[]

Every geometry column declared by GeoParquet metadata; geometry remains the primary runtime plan.

Optional Readonly Experimentalgeometry

geometry?: SourceProfileGeometry

Geometry column plan, or undefined for a non-spatial (tabular) file.

Optional Readonly ExperimentalrowEstimate

rowEstimate?: number

Footer-derived row estimate (num_rows sum), when available.

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