Function geom_arg

nodedb-query/src/geo_functions.rs:367–379

Extract a geometry argument. Supports `Value::Geometry` directly, or falls back to JSON deserialization for `Value::Object` (GeoJSON).

(args: &[Value], idx: usize)

/// Extract a geometry argument. Supports `Value::Geometry` directly,
/// or falls back to JSON deserialization for `Value::Object` (GeoJSON).
fn geom_arg(args: &[Value], idx: usize) -> Option<nodedb_types::geometry::Geometry> {
    match args.get(idx)? {
        Value::Geometry(g) => Some(g.clone()),
        // GeoJSON string: produced when a Geometry constant was round-tripped
        // through the const-fold SqlValue path (e.g. ST_Distance(ST_Point(...), ST_Point(...))).
        Value::String(s) => sonic_rs::from_str::<nodedb_types::geometry::Geometry>(s).ok(),
        other => {
            // Fallback: convert Value → JSON → Geometry for GeoJSON objects.
            let json = serde_json::Value::from(other.clone());
            serde_json::from_value(json).ok()
        }
    }
}

fn geo_predicate_2(
    args: &[Value],