Tbox_expand_time Tbox_expand_value Tbox_round Tbox_scale_time Tbox_scale_value Tbox_shift_scale_time Tbox_shift_scale_value Tbox_shift_time Tbox_shift_value

Tbox_shift_value() Datum Tbox_shift_value ( PG_FUNCTION_ARGS  ) Return a temporal box with the value span shifted by a value @sqlfn shiftValue()