Cannot show a TabbedPane pushing the NavigationPane

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  Hi all

  I met a problem when you use the function sdo_nn to find the nearest neighbor. Here is my scenario:

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  Error report-

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  ORA-06512: at the 'MDSYS. MD", line 1723

  ORA-06512: at the 'MDSYS. MDERR", line 17

  ORA-06512: at the 'MDSYS. PRVT_IDX', line 9

  13249 00000 - '%s '.

  I'm pretty new to spatial databases and hope get help to go further. Thank you in advance!

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  Oracle space tends to be a quite complex with many variables and moving parts.  We chatted about the group to a sort of FAQ or guidelines to help people like you submit questions that actually answers.  First of all, you really have to tell us the version of Oracle you are using.  Particularly the problems involving the optimizer, version down to the exact defined patch number is a good idea.  Secondly, you took the time to submit the question so I guess you want a response.  If you really want to see the answer and then providing an example is one of the most important things that you can do.  I'm going to do here for you, but in general people on this forum come and go and are often pushed into lurkitude, so if you want the coax to provide you with an example of work is the key.

  DROP TABLE store1 PURGE;
  CREATE TABLE store1(
      store_id INTEGER NOT NULL
     ,shape    MDSYS.SDO_GEOMETRY
     ,PRIMARY KEY(store_id)
  );
  
  DROP TABLE client2 PURGE;
  CREATE TABLE client2(
      client_id INTEGER NOT NULL
     ,shape    MDSYS.SDO_GEOMETRY
     ,PRIMARY KEY(client_id)
  );
  
  CREATE OR REPLACE PROCEDURE seeder(
      p_client_count IN NUMBER
     ,p_store_count IN NUMBER
  )
  AS
    sdo_foo MDSYS.SDO_GEOMETRY;
    int_counter NUMBER;
    FUNCTION random_point
    RETURN MDSYS.SDO_GEOMETRY
    AS
        num_x1 NUMBER;
        num_y1 NUMBER;
  
    BEGIN
        num_x1 := dbms_random.value(-179,179);
        num_y1 := dbms_random.value(-89,89);
  
        RETURN MDSYS.SDO_GEOMETRY(
            2001
           ,8265
           ,MDSYS.SDO_POINT_TYPE(
                num_x1
               ,num_y1
               ,NULL
            )
           ,NULL
           ,NULL
        );
  
    END random_point;
  
  BEGIN
    int_counter := 1;
    FOR i IN 1 .. p_client_count
    LOOP
        -- Create a client point
        sdo_foo := random_point();
        INSERT INTO client2
        VALUES (
            int_counter
           ,sdo_foo
        );
        int_counter := int_counter + 1;
  
    END LOOP;
  
    int_counter := 1;
    FOR i IN 1 .. p_store_count
    LOOP
        -- Create a store polygon of some kind
        sdo_foo := MDSYS.SDO_GEOM.SDO_ARC_DENSIFY(
            MDSYS.SDO_GEOM.SDO_BUFFER(
                random_point()
               ,5000
               ,0.05
            )
           ,0.05
           ,'arc_tolerance=0.05'
        );
        INSERT INTO store1
        VALUES (
            int_counter
           ,sdo_foo
        );
        int_counter := int_counter + 1;
  
    END LOOP;
  
    COMMIT;
  
  END seeder;
  /
  
  BEGIN
    seeder(10000,200);
  END;
  /
  
  BEGIN
    INSERT INTO user_sdo_geom_metadata(
        table_name
       ,column_name
       ,diminfo
       ,srid
    ) VALUES (
        'STORE1'
       ,'SHAPE'
       ,MDSYS.SDO_DIM_ARRAY(MDSYS.SDO_DIM_ELEMENT('X',-180,180,.05),MDSYS.SDO_DIM_ELEMENT('Y',-90,90,.05))
       ,8265
    );
  
    COMMIT;
  
  EXCEPTION
    WHEN OTHERS
    THEN
        NULL;
  
  END;
  /
  
  BEGIN
    INSERT INTO user_sdo_geom_metadata(
        table_name
       ,column_name
       ,diminfo
       ,srid
    ) VALUES (
        'CLIENT2'
       ,'SHAPE'
       ,MDSYS.SDO_DIM_ARRAY(MDSYS.SDO_DIM_ELEMENT('X',-180,180,.05),MDSYS.SDO_DIM_ELEMENT('Y',-90,90,.05))
       ,8265
    );
  
    COMMIT;
  
  EXCEPTION
    WHEN OTHERS
    THEN
       NULL;
  
  END;
  /
  
  CREATE INDEX store1_spx ON store1
  (shape)
  INDEXTYPE IS MDSYS.SPATIAL_INDEX
  NOPARALLEL;
  
  CREATE INDEX client2_spx ON client2
  (shape)
  INDEXTYPE IS MDSYS.SPATIAL_INDEX
  NOPARALLEL;
  
  /* Works as expected */
  SELECT
  s.store_id
  ,c.client_id
  ,MDSYS.SDO_NN_DISTANCE(1)
  FROM
  store1 s
  ,client2 c
  WHERE
  MDSYS.SDO_NN(
      s.shape
     ,c.shape
     ,'sdo_num_res=1'
     ,1
  ) = 'TRUE';
  
  /* No worky? Works for me */
  SELECT
  ns.store_id
  ,COUNT(ns.client_id)
  FROM (
     SELECT
      s.store_id
     ,c.client_id
     FROM
      store1 s
     ,client2 c
     WHERE
     MDSYS.SDO_NN(
         s.shape
        ,c.shape
        ,'sdo_num_res=1'
        ,1
     ) = 'TRUE'
  ) ns
  GROUP BY
  ns.store_id
  ORDER BY
  ns.store_id;
  

  So I wrote this about 12 c (12.1.0.2.0) and everything works fine for me.  Then I moved back from 11 GR 2 (11.2.0.4.0) and of course, there are questions.  So I guess that you don't use flavor of 11g.  So at this point we can look at the docs and see for 11g, have you often need to specify which table is the head and that is the one that has the spatial index to use.
  http://docs.Oracle.com/CD/E11882_01/AppDev.112/e11830/sdo_operat.htm#SPATL1032

  Its rather interesting that the optimizer of 12 c knows what you want, when I had to squint myself at your request and to play a little with the refining.  Note that SDO_NN is sensitive, because the geometry of the main table should come second in the operator.  I did not know that on the top of my head.

  
  SELECT
  /*+ LEADING(c) INDEX(s store1_spx)  */
   s.store_id
  ,c.client_id
  ,MDSYS.SDO_NN_DISTANCE(1)
  FROM
   store1 s
  ,client2 c
  WHERE
  MDSYS.SDO_NN(
      s.shape
     ,c.shape
     ,'sdo_num_res=1'
     ,1
  ) = 'TRUE';
  
  SELECT
   ns.store_id
  ,COUNT(ns.client_id)
  FROM (
     SELECT
     /*+ LEADING(c) INDEX(s store1_spx)  */
      s.store_id
     ,c.client_id
     ,MDSYS.SDO_NN_DISTANCE(1)
     FROM
      store1 s
     ,client2 c
     WHERE
     MDSYS.SDO_NN(
         s.shape
        ,c.shape
        ,'sdo_num_res=1'
        ,1
     ) = 'TRUE'
  ) ns
  GROUP BY
  ns.store_id
  ORDER BY
  ns.store_id;
  

  So I think that is your answer.  Give it a shot and see if this fits the Bill.  Of course, moving to 12 c would be useful for such things.  It would be interesting to collect more examples of this kind of space thing where 12 c is the answer. Also, would be nice if we could mark somehow this discussion as applying only to 11g and earlier versions.

  See you soon,.

  Paul

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