Dynamic call for a ref cursor: ORA-21779

Hi,
Here is an environment:
create or replace
PACKAGE PKG_GETDATA AS
TYPE cursor_type IS REF CURSOR;
Procedure SimpleGet (cData In Out Cursor_type);
Procedure DynamicGet (cData In Out Cursor_type);
END PKG_GETDATA;
create or replace
PACKAGE BODY "PKG_GETDATA" AS
Procedure SimpleGet (cData In Out Cursor_type) As
Begin
Open cData For
Select 1 from Dual;
End SimpleGet;
Procedure DynamicGet (cData In Out Cursor_type) As
Begin
Execute Immediate 'Begin PKG_GETDATA.SIMPLEGET(:1); End;'
Using In Out cData;
End DynamicGet;
END PKG_GETDATA;
So- first simple get works fine:
Declare
cData PKG_GETDATA.Cursor_type;
aNumber Number;
Begin
PKG_GETDATA.SimpleGet (cData);
LOOP
FETCH cData INTO aNumber;
EXIT WHEN cData%ROWCOUNT > 5 OR cData%NOTFOUND;
dbms_output.put_line (aNumber);
END LOOP;
close cData;
End;
BUT dynamic call does not works at all!:
Declare
cData PKG_GETDATA.Cursor_type;
aNumber Number;
Begin
PKG_GETDATA.DynamicGet (cData);
LOOP
FETCH cData INTO aNumber;
EXIT WHEN cData%ROWCOUNT > 5 OR cData%NOTFOUND;
dbms_output.put_line (aNumber);
END LOOP;
close cData;
End;
It throws ORA-21779 exception; what is more- it does work on 10.2 db version but does not work on 11.2 version! Could anyone explain that?
Regards
Bartlomiej D.

Hi,
Believe me, it may be very handful while working with handlers.
Anyway- could anyone help me on that?
Regards
Bartlomiej D.

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cv_employee OUT Sys_RefCursor )
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DECLARE
emp_rec {cv_employee$}%rowtype;
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Validation Boolean function failed: Unable to convert <oracle.jdbc.driver.OracleResultSetImpl@4f0617> to REF CURSOR.
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Execution Call
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"ARCADMIN"."USP_GETEMPLOYEE"(P_EMPLOYEEID=>:1,
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Bind variables used
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1001 0.2 8400
Validation Boolean function failed: Unable to convert <oracle.jdbc.driver.OracleResultSetImpl@31dba0> to REF CURSOR.
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979635 wrote:
But, when I try to execute this Test, I get the following error:
Validation Boolean function failed: Unable to convert <oracle.jdbc.driver.OracleResultSetImpl@4f0617> to REF CURSOR.
If I run in the debug mode, I get the following content in a dialog box:
The following procedure was run.
Execution Call
BEGIN
"ARCADMIN"."USP_GETEMPLOYEE"(P_EMPLOYEEID=>:1,
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Bind variables used
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:2 REF CURSOR OUT (null)
Try explicity declaring the ref cursor instead of using a bind variable, something like (untested)
begin
foo sys_refcurosr;
begin
test_procedure(foo);
end;Alternately, in SQL*PLUS use the DEFINE command to ste a named bind variable to type REFCURSOR and use the named bind variable in your test
Edited by: riedelme on Jan 23, 2013 7:10 AM

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declare curs ref cursor ...
begin
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end;
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begin
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hi
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BEGIN
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v_curs t_cur_a;
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OPEN v_curs FOR cur_a;
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cursor 'V_CURS' cannot be used in dynamic SQL OPEN statement
i did read that if use weak ref cursor, it could work, so i declare the ref cursor type in this way:
TYPE t_cur_a IS REF CURSOR;
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/*--------- PL/SQL ------------*/
CREATE OR REPLACE PACKAGE test_refcur AS
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FUNCTION f_decrypt (
i_string IN VARCHAR2
) RETURN VARCHAR2 IS
l_string VARCHAR2(64);
l_string_dec VARCHAR2(32);
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l_string := i_string;
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PROCEDURE decrypt (
i_string IN VARCHAR2
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28/13 PL/SQL: SQL Statement ignored
30/18 PLS-00231: function 'F_DECRYPT' may not be used in SQL
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LABEL
Development Server
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Arpit wrote:
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Hi Tony Miller,
Thank you for the prompt reply. I see your name in many of the replies in this Apex forum.
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Dynamic call for a ref cursor: ORA-21779

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