Bearing_geo_tpoint Bearing_point_point Bearing_tpoint_point Bearing_tpoint_tpoint Npoint_get_srid Npoint_same Nsegment_get_srid Tnpoint_azimuth Tnpoint_cumulative_length Tnpoint_get_srid Tnpoint_length Tnpoint_speed Tnpoint_trajectory Tpoint_azimuth Tpoint_cumulative_length Tpoint_get_srid Tpoint_get_x Tpoint_get_y Tpoint_get_z Tpoint_is_simple Tpoint_length Tpoint_speed Tpoint_trajectory

Tpoint_speed() PGDLLEXPORT Datum Tpoint_speed ( PG_FUNCTION_ARGS  ) Return the speed of a temporal point. SQL Function: speed()