c#读写SDO_GEOMETRY字段

select 
   t.SHAPE.SDO_gtype as SDO_gtype,
   t.shape.sdo_srid as sdo_srid,
   t.shape.sdo_point.x as point_x,
   t.shape.sdo_point.y as point_y,
   t.shape.sdo_point.z as point_z,
   t.shape.sdo_elem_info as elem_info,
   t.shape.sdo_ordinates as sdo_ordinates
from T_table t

INSERT INTO T_table (ID,SHAPE) VALUES(
          ‘10000000003‘,         
          MDSYS.SDO_GEOMETRY( 
                      2003,
                      NULL,
                      NULL,
                      MDSYS.SDO_ELEM_INFO_ARRAY(1,1003,3,3,22),
                      MDSYS.SDO_ORDINATE_ARRAY(1,1, 5,7)

         )
 );

select t.id as region_id, sdo_util.to_gmlgeometry(t.shape) as region_location from T_table t

select t.shape.get_gtype() from T_table t

select t.SHAPE.SDO_gtype from T_table t

select t.objectid,
       TO_CHAR(t.shape.get_wkt()) AS wkt,
       t.comp_type,
       t.datatype,
       t.comp_name,
       t.health_lic,
       t.shape.SDO_POINT.X as x,
       t.shape. SDO_POINT.Y as y,
       t.reg_addr,
       t.bus_addr
  from t_publicplaces t
 where 1 = 1
   and substr(t.comp_type, 0, 2) = ‘01‘
   and sdo_within_distance(t.SHAPE,
                           SDO_GEOMETRY(2001,
                                        8307,
                                        SDO_POINT_TYPE(116.4, 39.9, NULL),
                                        NULL,
                                        NULL),
                           ‘distance=1500.0 unit=m‘) = ‘TRUE‘