Remove Invocation to a Function or Stored Procedure

Hi,
This is regarding invoking functions, stored procedures remotely, from Oracle database to another Oracle database. This call is going to be made from databases set in different networks, and using plain PL-SQL. When the remote database receives the call it will start processing thousands of records, this operation is estimated to last at least an hour.
Our question is related to session's time out, would the database that made the call time out because the remote database is taking too long to respond (in this case, too long to process the records)?
Thank you.

user3112983 wrote:
Hi,
This is regarding invoking functions, stored procedures remotely, from Oracle database to another Oracle database. This call is going to be made from databases set in different networks, and using plain PL-SQL. When the remote database receives the call it will start processing thousands of records, this operation is estimated to last at least an hour.By thousands do you mean hundreds of thousands, millions or more? If your application can only process a thousand records in an hour i'd say there's some process tuning to be done :)
Our question is related to session's time out, would the database that made the call time out because the remote database is taking too long to respond (in this case, too long to process the records)?
Thank you.If you expect the duration to be that long, why not have the client (database A) submit a job to the server (database B) ? You could achieve that by creating a procedure on database B which submits a job via DBMS_JOB.
One option anyway.

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Function in stored procedure

Hello,
I'm using RPAD function in stored procedure 4 times in one query and then inserting to another table. from dm_exec_sql_text table I see that every time that procedure approach to Rpad function it's open and closing in the and so it's open and closing
function 4 times per one row, If I have 1000 rows to insert the function will open and close 4000 times and it's very slow.
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Thank You
Daniel

Yes, avoid using UDF , means especially a scalar udf... See how you can re-write a scalar udf as table valued udf.
http://sqlblog.com/blogs/alexander_kuznetsov/archive/2008/05/23/reuse-your-code-with-cross-apply.aspx
Best Regards,Uri Dimant SQL Server MVP,
http://sqlblog.com/blogs/uri_dimant/
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Trouble referencing return values of a Function in Stored Procedure

Hello all,
I have the following Function and Stored Procedure (simplified for this post). The error I am getting is in the SELECT, WHERE clause of the UPDATE command. My function is returning a sys_refcursor and I am trying to reference column names but keep getting the error
ORA-00904: "PUBLISHEDDOCVERSIONID": invalid identifier
What am I doing wrong?
Function
CREATE OR REPLACE FUNCTION &HKDB_Schema_Name..QueryKnowdeDocVersion(aKGID int)
RETURN sys_refcursor
IS
aCur sys_refcursor;
BEGIN
OPEN aCur FOR
SELECT pkd.KnowdeID as "PublishedKnowdeID", pkd.DocumentID as "PublishedDocID", pkd.VersionID as "PublishedDocVersionID"
FROM KnowdeDocument pkd
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END;Stored Procedure
UPDATE KnowdeDocument
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                           PublishedDocVersionID = KnowdeDocument.VersionID)))Regards,
Toby

Hi redeye,
Your select is from:
(select queryknowdedocversion(akgid
                              ,apublishedkgid
                              ,atextversionid)
                     from dual)This has no publisheddocversionid. Unfortunately I cannot figure out what you are trying to do with that ref_cursor.
Edit:
Or perhaps publisheddocversionid is a column in KnowdeDocument? Could this be case sensitive as well? (Bad idea to use quotations when naming things)
Regards
Peter
Edited by: Peter on Aug 24, 2009 3:39 AM

Create a View, function or stored procedure for query?

Hi All,
I like to know how I can create a view or function for the query below. If its going to be a function or stored procedure will I be able to union it with another view?
DECLARE
@BegDate DATE,
@EndDate DATE
SELECT
@BegDate = MIN(vl.VoidStartDate),
@EndDate = MAX(vl.LetDate)
FROM #VoidLoss vl
;WITH d(d) AS (
SELECT TOP (DATEDIFF(dd, @BegDate, @EndDate))
DATEADD(dd, ROW_NUMBER() OVER (ORDER BY (SELECT NULL)) -1, @BegDate)
FROM sys.all_objects o
), cal AS (
SELECT
d.d,
MONTH(d.d) AS m,
YEAR(d.d) AS y
FROM d
SELECT
vl.History_IND,
vl.PropCode,
vl.VoidCategory,
vl.ControlGroup,
CASE WHEN vl.VoidStartDate < MIN(cal.d) THEN MIN(cal.d) ELSE vl.VoidStartDate END AS VoidStartDate,
CASE WHEN vl.LetDate > MAX(cal.d) THEN MAX(cal.d) ELSE vl.LetDate END AS LetDate,
vl.MarketRent,
DATENAME(mm, CAST('1900-' + CAST(cal.m AS VARCHAR(2)) + '-1' AS DATE)) AS [Month],
cal.y AS [Year],
COUNT(*) AS DaysVoid,
COUNT(*) * vl.MarketRent AS VoidLoss
FROM
#VoidLoss vl
JOIN cal
ON cal.d BETWEEN DATEADD(dd, 1, vl.VoidStartDate) AND vl.LetDate
GROUP BY
vl.History_IND,
vl.PropCode,
vl.VoidCategory,
vl.ControlGroup,
vl.VoidStartDate,
vl.LetDate,
vl.MarketRent,
cal.m,
cal.y
ORDER BY
vl.History_IND,
vl.PropCode,
vl.VoidStartDate
Thanks

A view or an inline-function is a single query, so this part does not fit in:
DECLARE
@BegDate DATE,
@EndDate DATE
SELECT
@BegDate = MIN(vl.VoidStartDate),
@EndDate = MAX(vl.LetDate)
FROM #VoidLoss vl
And you cannot have it multi-statement function either, since you cannot refer to temp tables in such a function. In any case, using a multi-statement function in a view definition or nest it in another function definition is likely to be a performance disaster.
The sole alternative that remains as long as you have the temp table is a stored procedure. You cannot use a stored procedure in a view or a function.
Erland Sommarskog, SQL Server MVP, [email protected]

Function calling stored procedure that returns a cursor into a LOV

Hello,
Is it possible in HTML DB to implement a process that has a function that calls a stored procedure that returns a cursor, used to then populate a select list?
Or can I do a function call to a stored procedure in the 'List of values definition' box for the item itself that returns a cursor to populate the item's select list?

Hi Vikas,
Actually, I just found another posting that shows how to do what I'm looking for:
Re: Filling a LOV with a cursor
Check it out. I posted another question in response to that discussion...maybe you could answer that? Thanks!
Laura

Calling Function in Stored Procedure

Hi all,
I've created table below,
CREATE TABLE TEST
ID                  NUMBER(3)    NOT NULL,
selectcode          VARCHAR2(10),
value_use           VARCHAR2(10),
bin_no              NUMBER(10),
markup              VARCHAR2(40),
descr               VARCHAR2(100),
value_imp           VARCHAR2(90)
create sequence idseq;
insert into test values (idseq.nextval,'rel','C1',1,'master','test1');
insert into test values (idseq.nextval,'rel','C1',1,'masterdir','test2');
insert into test values (idseq.nextval,'rel','C1',2,'master','test3');
insert into test values (idseq.nextval,'rel','C2',2,'masterdir','test4');
insert into test values (idseq.nextval,'rel','C2',2,'master','test5');
insert into test values (idseq.nextval,'rel1','C2',1,'master','test6');
insert into test values (idseq.nextval,'rel1','C2',1,'masterdir','test7');
select * from test;
ID     SELECTCODE     VALUE_USE      BIN_NO     MARKUP                  DESCR
1         rel                C1              1     master                  test1
2         rel                C1              1     masterdir          test2
3         rel            C1              2     master                  test3
4         rel                C2            2     masterdir          test4
5         rel                C2              2     master                  test5
6         rel1        C2              1     master                   test6
7         rel1           C2              1     masterdir            test6There is an existing function called valcon which returns data for value_imp based on value_use and markup in the table.
SQL>select valcon ('C1','master',' ','VALUE',' ') output from dual;
OUTPUT
Value In County
I created a stored procedure, to insert values to this table using this function.. But I'm not sure how to pass the value inside the function..
CREATE OR REPLACE PROCEDURE test_sp
( in_selectcode    IN varchar2,
    in_valueuse      IN varchar2
AS
cursor val_cur is
    select *
    from test
    where ....;
TYPE val_typ IS TABLE OF val_cur%ROWTYPE;
val_arr val_typ;
begin
open cursor..
fetch cursor into val_arr;
FOR ..
LOOP
     insert into test (id, selectcode, value_use, selectval,value_imp)
     select id_seq.nextval, in_selectcode, 'C1', Nvl2(Trim(in_selectcode),'Y','N'),
     valcon ('val_arr.value_use','val_arr.markup',' ','VALUE',' ')
     from dual;
end loop;
close cursor;
end;
end test_sp
/ Since i'm using an array, can you please tell me how I can pass 'val_arr.value_use' as a string in the function? I researched a lot to find this, but I couldnt find how I can do this.
Thank you

I've used an update query to update test.bin_no in a sequence for the same selectcode and value_use. But I'm trying to see if I can do this within the insert query so I dont have to duplicate the work with one insert and one update.
The procedure below works with update query:
CREATE TABLE TEST
ID                  NUMBER(3)    NOT NULL,
selectcode          VARCHAR2(10),
value_use           VARCHAR2(10),
bin_no              NUMBER(10),
markup              VARCHAR2(40),
descr               VARCHAR2(100),
value_imp           VARCHAR2(90)
create sequence idseq;
insert into test (id,selectcode,value_use,bin_no,value_imp) values (idseq.nextval,'rel','C1',1,'Y');
insert into test (id,selectcode,value_use,bin_no,value_imp) values (idseq.nextval,'rel','C1',1,'Y');
insert into test (id,selectcode,value_use,bin_no,value_imp) values (idseq.nextval,'rel','C1',2,'Y');
insert into test (id,selectcode,value_use,bin_no,value_imp) values (idseq.nextval,'rel','C2',2,'Y');
insert into test (id,selectcode,value_use,bin_no,value_imp) values (idseq.nextval,'rel','C2',2,'Y');
insert into test (id,selectcode,value_use,bin_no,value_imp) values (idseq.nextval,'rel1','C2',1,'Y');
insert into test (id,selectcode,value_use,bin_no,value_imp) values (idseq.nextval,'rel1','C2',1,'Y');
select * from test;
ID     SELECTCODE     VALUE_USE      BIN_NO     VALUE_IMP
1         rel                C1              1     Y
2         rel                C1              2     Y
3         rel            C1              2     Y
4         rel                C2            2     Y
5         rel                C2              2     Y
6         rel1        C2              1     Y
7         rel1           C2              1     Y
CREATE OR REPLACE PROCEDURE test_sp (in_selectcode   IN VARCHAR2,
                                     in_valueuse     IN VARCHAR2
                                    ) AS
msg   VARCHAR2 (4000);
BEGIN
INSERT INTO test (id, selectcode, value_use, bin_no, selectval, value_imp
    SELECT   id_seq.NEXTVAL,
             in_selectcode,
             'C1',
             bin_no,
             NVL2 (TRIM (in_selectcode), 'Y', 'N'),
             valcon (value_use, markup, ' ', 'VALUE', ' ')
    FROM     kn_job
    WHERE    scode= in_selectcode;
     update test t
     set t.bin_no = (select t1.r from
              (select rowid, ROW_NUMBER() OVER(PARTITION BY in_selectcode, in_valueuse ORDER BY id asc) r from test) t1
              where t.rowid=t1.rowid);
end test_sp
select * from test;
ID     SELECTCODE     VALUE_USE      BIN_NO     VALUE_IMP
1         rel                C1              1     Y
2         rel                C1              2     Y
3         rel            C1              3     Y
4         rel                C2            1     Y
5         rel                C2              2     Y
6         rel1        C2              1     Y
7         rel1           C2              2     Y       But is it possible to do this without an update query? Updating bin_no in a sequence for selectcode,value_use?
Thanks

Difference between Function and Stored Procedure

Hi guys, i don't understand the exact difference between a function and a stored procedure. I did lot of google but still. Can somebody explain in simple words. Thanks.

Hi,
Here's an example of a user-defined function:
CREATE OR REPLACE FUNCTION     factorial
(      in_num       IN     PLS_INTEGER
RETURN     PLS_INTEGER
DETERMINISTIC
IS
BEGIN
     IF in_num IS NULL
     THEN
          RETURN     NULL;
     ELSIF in_num <= 1
     THEN
          RETURN 1;
     ELSE
          RETURN in_num * factorial (in_num - 1);
     END IF;
END     factorial;
SHOW ERRORSThis function retruns an integer. You can use the function (or, more properly, the integer that it returns) anywhere an integer expression is allowed.
For example
SELECT     ROWNUM
,     factorial (ROWNUM)     AS f
,     loc
,     SUBSTR ( loc
            , 1
            , factorial (ROWNUM)
            )          AS s
FROM     scott.dept;Output:
`   ROWNUM          F LOC           S
         1          1 NEW YORK      N
         2          2 DALLAS        DA
         3          6 CHICAGO       CHICAG
         4         24 BOSTON        BOSTON

Where are User Defined Functions and Stored Procedures kept in SQL Server?

Hi,
I have a growing list of Stored Procedures and User-Defined Functions in SQL Server, and would like to be able to list all my user SP and UDF easily.
Is it possible to write a query to list all SP and UDF?
I saw the following specimen code in an SQL book, but am not sure this is what I need because I could not make it work.
SELECT *
    FROM INFORMATION_SCHEMA.ROUTINES
WHERE SPECIFIC_SCHEMA = N'CustomerDetails'
    AND SPECIFIC_NAME = N'apf_CusBalances'
I tried:
SELECT *
    FROM INFORMATION_SCHEMA.ROUTINES
but it does not work.
Suppose all my SP are named following this pattern:
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Thanks
Leon Lai

Hi ,
try this to get list of all stored procedures:
SELECT *
FROM sys.procedures where name like 'dbo.usp%'
Thanks,
Neetu

How to call CLOB to BLOB conversion function within stored procedure?

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CREATE OR REPLACE PROCEDURE DOWNLOAD_WO(v_id IN NUMBER)
AS
        v_mime          VARCHAR2(48);
        v_length     NUMBER;
        v_file_name     VARCHAR2(2000):= 'WO_Download.rtf';
        lob_loc          CLOB;
          v_blob      BLOB;
          v_company        jobs_vw.company%TYPE;
          v_project        jobs_vw.project%TYPE;
          v_description     jobs_vw.description%TYPE;
          v_date_          jobs_vw.date_%TYPE;
          v_job_no          jobs_vw.job_no%TYPE;
          v_apqwo               jobs_vw.apqwo%TYPE;
--          v_mime           VARCHAR2(48) := 'application/msword';
BEGIN
        SELECT     mime_type, report, DBMS_LOB.GETLENGTH(report)
          INTO     v_mime,lob_loc,v_length
          FROM     report_layouts
          WHERE     rl_id = 22332925279634283;
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               ,description
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               ,project
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               ,v_company
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     WHERE     id = 214;
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/Unfortunately when I try to compile the download_wo stored procedure I am getting this error:
Error at line 64: PL/SQL: Statement ignoredThe 64th line is:
v_blob := c2b(lob_loc);How should I correctly call c2b within download_wo? Any advice is greatly appreciated.
Thank you for your time.
Daniel

Hello there,
Well, its invalid :(
Object C2B is Invalid. I didn't know since when I run the create ... function, I only get this feedback:
Statement processed.
0.19 secondsI am investigating.
Daniel

Oracle function in stored procedure to retreive particular table name

Hi,
I need to delete a table 'xxsys_dram_flatproperties' from database given model name as 'dram-model'.
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I wrote stored procedure .I am able to retrieve all the tables in the database using user_tables.Is there any funtion in oracle like
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Suppose all your tables created in the schema 'temp'
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then try a simple solution:
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XX_MODEL3_01
XX_MODEL3_02
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Call Oracle function from Stored Procedure

Hi,
I have function Which returning one number. I want to use that number in a procedure. How to call the Oracle Function from the Procedure
Create procedure
AS
Begin
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Can anyone provide me example for this.
Thanks in advance

Put the Check Number; before begin
SQL> create or replace procedure abc as
2 begin
3 val number;
4 select abcd into val from dual;
5 dbms_output.put_line(val);
6 end;
7 /
Warning: Procedure created with compilation errors.
Elapsed: 00:00:00.00
SQL> show error
Errors for PROCEDURE ABC:
LINE/COL ERROR
3/5      PLS-00103: Encountered the symbol "NUMBER" when expecting one of
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         := . ( @ % ;
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SQL> create or replace procedure abc as
2 val number;
3 begin
4 select abcd into val from dual;
5 dbms_output.put_line(val);
6 end;
7 /
Procedure created.
Elapsed: 00:00:00.00
SQL> exec abc;
100.22
PL/SQL procedure successfully completed.
Elapsed: 00:00:00.00
SQL>

Importing function with multiple ref cursors in Stored Procedure of Oracle 12c database Using EF6

Hi Good day!
I can able to import function for stored procedure of oracle db and able to add the complex type and get the output but i tried to import the procedure which having two ref cursors and unable to retrieve the column information. Only able to retrieve the
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Having to ref cursors return mutiple recordsets in an Oracle package is like haveng two resultsets return from a MS SQL Server sparc.
The link may point you in the right direction.
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LEXICAL REFERENCES IN STORED PROCEDURES

CAN I TO DO LEXICAL REFERENCES IN STORED FUNCTIONS AND STORED
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What is your application release?
Not sure if I understand you correctly, but have you reviewed (How To Use Oracle.Apps.Fnd.Flex.Kff.Select To Retrieve Particular Segments And Not All Segments from a Flexfield [ID 1267032.1]) and see if it helps?
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Hussein

How stored procedure get executed when called from java

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Please help.

>
does oracle creates multiple instance of a particular stored procedure for different sessions or connections. if not then there might be some kind of waiting principle followed.. what happens exactly
>
What happens exactly is detailed in Chap. 14 Memory Architecture ni the Database concepts doc
http://docs.oracle.com/cd/E14072_01/server.112/e10713/memory.htm#i21266
The code is shared but the data isn't (see the lone exception to this below).
See the section on the Library Cache
>
Program Units and the Library Cache
The library cache holds executable forms of PL/SQL programs and Java classes. These items are collectively referred to as program units.
The database processes program units similarly to SQL statements. For example, the database allocates a shared area to hold the parsed, compiled form of a PL/SQL program. The database allocates a private area to hold values specific to the session that runs the program, including local, global, and package variables, and buffers for executing SQL. If multiple users run the same program, then each user maintains a separate copy of his or her private SQL area, which holds session-specific values, and accesses a single shared SQL area.
>
The exception is when code uses the SERIALLY_REUSABLE pragma. In that case the memory for package state is in the SGA and users do not have their own copy in their UGA.
See the SERIALLY_REUSABLE pragma in the PL/SQL Language doc
http://docs.oracle.com/cd/B28359_01/appdev.111/b28370/seriallyreusable_pragma.htm
>
The global memory for serially reusable packages is pooled in the System Global Area (SGA), not allocated to individual users in the User Global Area (UGA). That way, the package work area can be reused. When the call to the server ends, the memory is returned to the pool. Each time the package is reused, its public variables are initialized to their default values or to NULL.
Serially reusable packages cannot be accessed from database triggers or other PL/SQL subprograms that are called from SQL statements. If you try, the database generates an error.

Need to call funtion in stored procedure to run one customized report

Hi,
I need to call one function in stored procedure for our customized report. Can anyone please help me in calling the function in stored procedure and provide the syntax for the same.
Thanks,
Kalpana.

Either open an existing report. You'l see so many examples.
or
http://www.google.co.in/#hl=en&source=hp&biw=1024&bih=586&q=call+function+in+stored+procedure+sql&aq=1&aqi=g2g-m2&aql=&oq=Call+function+in+stored&gs_rfai=&fp=dbefe777997d3915

Remove Invocation to a Function or Stored Procedure

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