geo_is_empty geo_is_unitary geo_typename geog_area geog_centroid geog_length geog_perimeter geom_azimuth geom_length geom_perimeter line_numpoints line_point_n

geo_is_unitary() bool geo_is_unitary ( const GSERIALIZED *  gs ) Note Derived from PostGIS function: lwgeom_is_unitary(const LWGEOM *geom)