presto-geospatial/src/main/java/io/prestosql/plugin/geospatial/GeoFunctions.java/GeoFunctions/stGeometryType
class GeoFunctions:    @Description("Returns the type of the geometry")
    @ScalarFunction("ST_GeometryType")
    @SqlType(VARCHAR)
    public static Slice stGeometryType(@SqlType(GEOMETRY_TYPE_NAME) Slice input)
    {
        return GeometrySerde.getGeometryType(input).standardName();
    }