Bind variables and Dynamic sql

I have this function which works only when i'm not passing bind variables. The moment i add bind variables it is not able to execute the function.
Oracle Db Version: 8.1
Thanks
Source Code
FUNCTION TestFunction( In_Test_id in Number,
In_Asof in Date )
Return ScoreType
IS
LvScore ABC.LV_SCORE.SCORE%TYPE;
DVScore ABC.LV_SCORE.SCORE%TYPE;
Begin
EXECUTE IMMEDIATE
'SELECT SCORE,DVSCORE
FROM
SELECT SCORE,DVSCORE
DENSE_RANK() OVER (PARTITION BY TEST_ID ORDER BY ASOF_DT DESC) AS score_RANK
FROM ABC.LV_SCORE
WHERE TEST_ID = :x
AND ASOF_DT <= :y
) WHERE score_RANK = 1'
INTO LvScore,DVScore
USING In_tEST_ID,In_Asof;
Return ScoreType( LvScore,
DVScore);
End;

It just keeps on executing for sometime and then disconnects itself from database What was the indication that told you that it disconnected? Was there a visible indication of this disconnect?
Did you get ORA-03113?
===========================================
ORA-03113: end-of-file on communication channel
Cause: The connection between Client and Server process was broken.
Action: There was a communication error that requires further investigation. First, check for network problems and review the SQL*Net setup. Also, look in the alert.log file for any errors. Finally, test to see whether the server process is dead and whether a trace file was generated at failure time.

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            l_query := l_query || p_anchor(i) || ',';
        end loop;
        l_query := rtrim(l_query,',');
        -- and return it
        execute immediate 'alter session set cursor_sharing=force';
        open p_cursor for l_query;
        execute immediate 'alter session set cursor_sharing=exact';
    end;
    end;
    /I can see from the error message that it is ignoring the x declaration, I assume it is because it does not recognise the type refcursor from the procedure.
    How do I get it to recognise this?
    Thank you in advance

    Thank you for your help
    This is the version of Oracle I am running, so this may have something to do with that.
    Oracle9i Enterprise Edition Release 9.2.0.8.0 - Production
    With the Partitioning, OLAP and Oracle Data Mining options
    JServer Release 9.2.0.8.0 - Production
    I found this on Ask Tom (http://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:3027089372477)
    Hello, Tom.
    I have one bind variable in a dynamic SQL expression.
    When I open cursor for this sql, it gets me to ora-01008.
    Please consider:
    Connected to:
    Oracle8i Enterprise Edition Release 8.1.7.4.1 - Production
    JServer Release 8.1.7.4.1 - Production
    SQL> declare
      2    type cur is ref cursor;
      3    res cur;
      4  begin
      5    open res for
      6    'select * from (select * from dual where :p = 1) connect by 1 = 1'
      7    using 1;
      8  end;
      9  /
    declare
    ERROR at line 1:
    ORA-01008: not all variables bound
    ORA-06512: at line 5
    SQL> declare
      2    type cur is ref cursor;
      3    res cur;
      4  begin
      5    open res for
      6    'select * from (select * from dual where :p = 1) connect by 1 = 1'
      7    using 1, 2;
      8  end;
      9  /
    PL/SQL procedure successfully completed.
    And if I run the same thing on 10g -- all goes conversely. The first part runs ok, and the second
    part reports "ORA-01006: bind variable does not exist" (as it should be, I think). Remember, there
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    versions?
    P.S. Thank you for your invaluable work on this site.
    Followup   June 9, 2005 - 6pm US/Eastern:
    what is the purpose of this query really?
    but it would appear to be a bug in 8i (since it should need but one).  You will have to work that
    via support. I changed the type to tarray to see if the reserved word was causing a problem.
    variable v_refcursor refcursor;
    set autoprint on;
    begin 
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                   '       ROW_NUMBER () OVER ( ' || 
                   '          PARTITION BY job ' || 
                   '          ORDER BY deptno) rn ' || 
                   'FROM   emp ' ||
                   'GROUP BY job, deptno',
                   p_anchor => crosstab.tarray ('JOB'),
                   p_pivot => crosstab.tarray ('DEPTNO', 'CNT'),
                   p_cursor => :v_refcursor);
    end;
    /Was going to use this package as a stored procedure in forms but I not sure it's going to work now.

  • Performance between SQL Statement and Dynamic SQL

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