DatumGetSTboxP PG_GETARG_STBOX_P PG_RETURN_STBOX_P point_get_coords STboxPGetDatum tstzset_stbox_slice tstzspanset_stbox_slice

tstzset_stbox_slice() void tstzset_stbox_slice ( Datum  sdatum, STBox *  box  ) Peek into a set datum to find the bounding box. If the datum needs to be detoasted, extract only the header and not the full object.