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_xmin() Datum Tbox_xmin ( PG_FUNCTION_ARGS  ) Return the minimum X value of a temporal box, if any @sqlfn Xmin()