Calling the package dynamically inside a procedure

HI
i have table which contains contains package name, procedurename,input parameters and output parameters as columns like below.
Table name is PKG_META_DATA.
package_name Procedure_name input parameters output parameters
pkg1 prc1 i_location,i_type o_date
pkg2 prc3 i_location o_date ,o_prev_date
Note:Input parameters and output parameters will vary according to package
Now i need to write a procedure which calls package dynamically and display the output values.
i have tried it in this way but it it is not working.please help
declare
l_text varchar2(1000);
cursor c1 is select package_name,Procedure_name,input parameters,output parameters from pkg_meta_date;
begin
for cur in c1 loop
execute immediate 'begin '||package_name||'.'||Procedure_name||'('||input parameters ||output parameters||');'
--display output values from a package
dbms_output.put_line( o_date );
dbms_output.put_line( o_prev_date );
end loop;
end;

user12057782 wrote:
Now i need to write a procedure which calls package dynamically and display the output values.Why do such a silly and stupid thing? Do you have technical justification for wanting to call code dynamically?
And if you reallly and truly need to use dynamic PL/SQL calls, then using bind variables is mandatory. Unless you want to fragment and trash the shared pool and waste a lot of CPU by burning it on hard parsing.
This also means that execute immediate is the wrong choice. (it does not support dynamic binding)
And if I foam a bit at the mouth with this response - simply that I'm getting utterly frustrated seeing yet again dynamic SQL being (ab)used, without the foggiest notion of how to do so correctly, and with complete ignorance of the repercussions on security and performance.
Dynamic coding is NOT the best thing since slice bread. It was never even a consideration as a being better choice.
What it is, is wrong - 99% of the time. Wrong ito design. Wrong for security. Wrong for performance. Wrong for flexibility.

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ocstmt=(OracleCallableStatement)conn.prepareCall(" {call REWARDS_SUMMARY_PACKAGE.REWARDS_SUMMARY_PROCEDURE(?,?,?,?,?,?,?)}");
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ocstmt.registerOutParameter(1,OracleTypes.INTEGER);
ocstmt.registerOutParameter(2,OracleTypes.INTEGER);//1-616BH
ocstmt.registerOutParameter(3,OracleTypes.INTEGER);
ocstmt.registerOutParameter(4,OracleTypes.INTEGER);
ocstmt.registerOutParameter(5,OracleTypes.VARCHAR);
ocstmt.registerOutParameter(6,OracleTypes.ARRAY,"SIEBEL.T_VARRAY");
ocstmt.setString(7,contactSiebelRowId);
ocstmt.execute();
Showing the following invalid name pattern SIEBEL.T_VARRAY
Please help
Thanks in advance
Kiran

create or replace package Rewards_Summary_Package as
TYPE t_varray IS VARRAY(6) OF NUMBER;
end;You've declared your type inside the package. You need to declare it as a SQL type, which is not part of a PL/SQL package.

How to call the stored procedure in side the package... ?

Hi
I have one package i am new to PL/SQL. I want to execute the package and procedure.
CREATE OR REPLACE PACKAGE BODY Employee_pkg
AS
PROCEDURE GetEmployeeName(i_empno IN NUMBER,
o_ename OUT VARCHAR2)
IS
BEGIN
SELECT ename
INTO o_ename
FROM emp
WHERE empno = i_empno;
END GetEmployeeName;
END Employee_pkg;
Please tell me how to execute the package. and inside procedure
Thanks

SQL> create package employee_pkg
2 as
3 procedure getemployeename(i_empno in number, o_ename out varchar2);
4 end employee_pkg;
5 /
Package is aangemaakt.
SQL> CREATE OR REPLACE PACKAGE BODY Employee_pkg
2 AS
3 PROCEDURE GetEmployeeName(i_empno IN NUMBER,
4 o_ename OUT VARCHAR2)
5 IS
6 BEGIN
7 SELECT ename
8 INTO o_ename
9 FROM emp
10 WHERE empno = i_empno;
11 END GetEmployeeName;
12
13
14 END Employee_pkg;
15 /
Package-body is aangemaakt.
SQL> var P_ENAME varchar2(30)
SQL> set autoprint on
SQL> exec employee_pkg.getemployeename(7839,:P_ENAME)
PL/SQL-procedure is geslaagd.
P_ENAME
KINGRegards,
Rob.

How to pass the arguments dynamically to a Oracle procedure.

Hi all..
How to pass the arguments dynamically to a procedure.
Thanks in Advance.

I have a concurremt program which has 5 parameters right now. The user can add more parameters from front end as per their requirement.
So that time.. the 6th parameter has to add to my procedure dynamically.
Thanks.

Calling the procedure from URL is not working

Hi Experts,
We are in the process of 11i to R12 upgrade of oracle EBS system.
In 11i they have done some personalization in the form which will trigger a URL and a notfication will open in the browser.
11i url
HTTPS://abc.xyz.t.COM:8070/PLS/abc/XXM_PO_NOTIFICATION_PREVIEW.SHOW?P_PO_HEADER_ID=1711&p_type=PO
r12 url
HTTPS://abcr12.xyz.t.COM:8070/PLS/abcr12/XXM_PO_NOTIFICATION_PREVIEW.SHOW?P_PO_HEADER_ID=1711&p_type=PO
The URL is calling the function XXM_PO_NOTIFICATION_PREVIEW.SHOW by passing the parameters and it is working fine in 11i.
In r12 it is constructing the correct URL but when the page opens it is saying page not found.
My question is when we pass call the package in browser URL..does it executes?
We have put some debug message in the package but it is not getting pritntig.
Many Thanks
Bharat

Page not found (404) is a generic error from the web server. It simply says something went wrong when it serviced that URL from the browser - not what exactly went wrong.
You need to look in the error log of the Apache server for the details.
Assuming a standard OHS (Oracle HTTP Server) install. The URL contains a DAD (Database Access Descriptor) - in your case it is abcr12. This DAD will be defined in the Apache config file called dads.conf in the mod_plsql directory.
Part of the DAD definition will be an Oracle username, password, and Oracle connection string (typically TNSFormat).
The error you see on the browser side is often due to this DAD connection and authentication details failing. E.g. Oracle schema is locked. Oracle password is wrong. TNS connection string requests a non-existing service from the Oracle Listener. Etc.
But it would make sense to first confirm that this is indeed a connectivity error, via the Apache error log.

Call the Function against a select query in 500 procedures...

Hello Gurus,
I have a scenario, where i had made one function(UDF Function) to calculate something and in every procedure i call that function and calculate my requirement.
Yesterday, i made a select query using reg exp for the same calculation..
So my question is, what should be the proper approach..
I need to implement this on 500 procedures...
And the UDF function is
CREATE OR REPLACE FUNCTION "UDF_TEXTSPLIT" (
p_list VARCHAR2,
p_del VARCHAR2 := ','
) RETURN split_tbl pipelined
IS
l_idx PLS_INTEGER;
l_list VARCHAR2(7999) ;
l_value VARCHAR2(7999);
BEGIN
l_list := p_list;
LOOP
l_idx := INSTR(l_list,p_del);
IF l_idx > 0 THEN
pipe ROW(SUBSTR(l_list,1,l_idx-1));
l_list := SUBSTR(l_list,l_idx+LENGTH(p_del));
ELSE
pipe ROW(l_list);
EXIT;
END IF;
END LOOP;
RETURN;
END Udf_Textsplit;
I have made this query:
SELECT a.b,z. b1 FROM
(SELECT ROWNUM d,REGEXP_SUBSTR(str1, '[^> ]+', 1, LEVEL) b
FROM (SELECT 'xxx>zzz>gg' str1 FROM dual)
CONNECT BY REGEXP_SUBSTR(str1, '[^> ]+', 1, LEVEL) IS NOT NULL)a,
(SELECT ROWNUM d,REGEXP_SUBSTR(str1, '[^> ]+', 1, LEVEL) b1
FROM (SELECT '100>500>20' str1 FROM dual)
CONNECT BY REGEXP_SUBSTR(str1, '[^> ]+', 1, LEVEL) IS NOT NULL)z
WHERE a.d=z.d
Do i use the same select query in all 500 procedures or call the (UDF Function) in every procedure..
So which will be faster...
Your approach would be very much appreciated...
Thanks,
Haraprasad...

Hmm, do I edit 500 procedures to replace a function call with a SQL statement, or edit 1 function to use a sql statement instead of the current algorithm?
This is why we use code modules that do one thing and do it well. As long as the new version of the function takes the same arguments and returns the same results as the old, then the callers will never know that the way the function works has changed.
Whenther you put the select statement in 500 procedures, or 1 function, there will still be a context switch every time you use it. The tiny additional overhead of calling a function before the context switch would be unnoticeable.
John

Calling the package dynamically inside a procedure

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