oracle 的database link是否支持oracle spatial


select t.propert1,
       t.propert2,
       t.propert3,
       t.propert4,
       SDO_GEOM.SDO_DISTANCE(T.ora_geometry,
                             MDSYS.SDO_GEOMETRY(3001,
                                                null,
                                                MDSYS.SDO_POINT_TYPE(419204.591325841,
                                                                     142405.186982172,
                                                                     0),
                                                NULL,
                                                NULL),
                             0.5) AS DIS
  from TABLE1@datalink T
 where sdo_within_distance(T.Ora_Geometry,
                           MDSYS.SDO_GEOMETRY(3001,
                                              null,
                                              MDSYS.SDO_POINT_TYPE(419204.591325841,
                                                                   142405.186982172,
                                                                   0),
                                              NULL,
                                              NULL),
                           'DISTANCE=5') = 'TRUE' and t.tablename='NODE'
 order by DIS
弹出错误：oracle database linkracle spatial