Tbox_hast Tbox_hasx Tbox_tmax Tbox_tmax_inc Tbox_tmin Tbox_tmin_inc Tbox_xmax Tbox_xmax_inc Tbox_xmin Tbox_xmin_inc

Tbox_tmin() Datum Tbox_tmin ( PG_FUNCTION_ARGS  ) Return the minimum timestamp of a temporal box, if any @sqlfn Tmin()