Can't use bind variable in a function

This is a repost from my earlier post at
URGENT: Problem creating the report using Procedure
The problem is when I bind a variable in a function, I get REP-0002. Please look at the following steps to reproduce
===
set serveroutput on
create or replace
package Q_REP_test
as
type drec is record
sdate date
type dreccursor is ref cursor return drec;
Procedure Get_sysdate(retdate out dreccursor);
procedure add_days_tocurdate(no_of_days in number, retdate out dreccursor);
end q_rep_test;
show errors
create or replace
package body q_rep_Test
as
procedure Get_sysdate(retdate out dreccursor)
is
begin
open retdate for
select sysdate retdate from dual;
end;
procedure add_days_tocurdate(no_of_days in number, retdate out dreccursor)
is
begin
open retdate for
select sysdate+no_of_days retdate from dual;
end;
end q_rep_test;
show errors
===
Invoke the SP as follows:
===
function QR_1RefCurDS return q_rep_test.dreccursor is
tempc q_rep_test.dreccursor ;
begin
q_rep_test.add_days_tocurdate(:p_1,tempc);
return tempc;
end;
===
1. Create a report
2. create an user parameter(p_1)
3. add a pl/sql as above
4. run it(to verify the report works)
5. save it.
6. close the report
7. Open it again, you get an as
"REP-0002: Unable to retrieve a string from the Report Builder Message file". Now it is corrupted and can't be used at all.
Please treat this as urgent and help me.
Thanks

Hi ,
Though you have stated it as Oracle92iDS check whether it has the 9.0.2.2 patchset applied. If not please try applying the latest Patchset 9.0.2.2 for Oracle9i Reports.
To download the patch goto Metalink <http://metalink.oracle.com/metalink/plsql/ml2_gui.startup> and search for Patch# 2842923.
This Patchset is for iAS and iDS.
In either case, please let me know the results.
Thanks,
Vinod.

Similar Messages

Can I use bind variable instaed of writing static COLUMN Name

Hi , I am having a table containing id and column names, the data is stored against that id in other tables. Now I wish to update data into another table so that it goes into apppropriate column without using decode function.
I am trying to do this:
EXECUTE IMMEDIATE 'update TEST set :1 = :2
where PROJECT_ID= :3 and UNIQUE_ID= :4' using P_DEST_COLUMN, P_TEXT_VALUE, P_PROJ_ID, P_TASK_UID;
the values P_DEST_COLUMN, P_TEXT_VALUE, P_PROJ_ID, P_TASK_UID are populated using a cursor in PL/SQl
Is this statement valid? If not can you tell me how to do it as I am getting some error I am unable to comprehend.
thanks
Rishabh

Column names cannot be substituted at run-time as bind variables. If you need to specify the column name at run-time, you'd need to construct a new string and execute that string dynamically, i.e.
EXECUTE IMMEDIATE 'UPDATE test SET ' || p_dest_column || ' = :1 ' || ...From a data model standpoint, storing column names as data elements in another table is generally a rather poor idea. It's likely to make ad-hoc reporting nearly impossible and to cause a lot more parsing than would otherwise be required.
Justin

What can i replace this bind variable with in function?

Hello
I am creating a report showing training attended by employees. I have written a function to do the following:
Parameters 1 - 4 is hard coded for a reason. So we dont worry about them.
5th parameter: :START_DATE represents the date training started
6th parameter: :END_DATE represents the date training ended.
These date parameters are correctly used inside the select statement that the function is built upon. So don't worry that my date parameters are correct/incorrect.
The focus should be on how you use bind variables inside Discoverer Admin. The select at the bottom runs perfectly in Toad and it allows you to use the date parameters as bind variables. But it does not allow it in Discoverer Admin
The problem is with Parameter 5 and 6. I dont want to hard code the dates as i want the user to be able to enter his own date parameters.
Discoverer Admin gives an error is i want to use :START_DATE and :END_DATE as parameters
Does anyone have a solution for my problem.
This is what the code looks like.
SELECT apps.xxhr_fsc_training_info.xxhr_fsc_training ('A', '02','M', 'N',:START_DATE, :END_DATE)category_A_training
, apps.xxhr_fsc_training_info.xxhr_fsc_training ('B', '02','M', 'N',:START_DATE, :END_DATE)category_B_training
, apps.xxhr_fsc_training_info.xxhr_fsc_training ('C', '02','M', 'N',:START_DATE, :END_DATE)category_C_training
, apps.xxhr_fsc_training_info.xxhr_fsc_training ('D', '02','M', 'N',:START_DATE, :END_DATE)category_D_training
, apps.xxhr_fsc_training_info.xxhr_fsc_training ('E', '02','M', 'N',:START_DATE, :END_DATE)category_E_training
, apps.xxhr_fsc_training_info.xxhr_fsc_training ('F', '02','M', 'N',:START_DATE, :END_DATE)category_F_training
, apps.xxhr_fsc_training_info.xxhr_fsc_training ('G', '02','M', 'N',:START_DATE, :END_DATE)category_G_training
from dual
Edited by: iandekoker on Jun 8, 2009 9:34 PM

Rod
I have a request. The request is based on various emails written about passing parameters in Discoverer Admin/Desktop. Now if you are experienced and work with set copntext on regular basis then it should be a walk in the park. However if you are new to it like me, then it seems a daunting task. So my request is: Can't you provide us with an example of how to complete the whole process from begin to end using an actual example? I will kick off the process and maybe you can add where i left something out?
Example:
SELECT ENAME, HIRE_DATE
FROM EMP
WHERE HIRE_DATE = :IDATE;
We want to run this select statement in Discoverer Admin, but Admin does not like the :IDATE bind variable. So now we are gonna use SET CONTEXT to find a solution to our problem.
Step1:
First we have to create a context namespace in the database for the Discoverer contexts. Here is the code to create the context. It is okay to also named your function EUL_DISCO as this name would work perfectly for almost everyone. Best is to do all of this in the Apps schema. Copy and paste this code in Toad and F9 it. It should compile successfully
CREATE OR REPLACE CONTEXT eul_disco
USING apps.eul_disco;
Step 2:
Now you need to create a package to enable you to set and retrieve contexts from in Discoverer. Here is the code to create the package and package body. Just copy and paste the code into Toad and F9 (execute) it to create the package.
--Package Spec
CREATE OR REPLACE PACKAGE eul_disco AS
FUNCTION set_context(p_name VARCHAR2, p_value VARCHAR2) RETURN VARCHAR2;
FUNCTION show_context(p_name VARCHAR2) RETURN VARCHAR2;
END eul_disco;
--Package Body
CREATE OR REPLACE PACKAGE BODY eul_disco IS
FUNCTION set_context(p_name VARCHAR2, p_value VARCHAR2)
RETURN VARCHAR2 AS
BEGIN
dbms_session.set_context('EUL_DISCO', p_name, p_value);
RETURN p_value;
END set_context;
FUNCTION show_context(p_name VARCHAR2)
RETURN VARCHAR2 IS
BEGIN
RETURN SYS_CONTEXT('EUL_DISCO', p_name);
END show_context;
END eul_disco;
Step3:
Once you have created this package successfully you need to log into Discoverer Admin. Then use the menu to navigate to Tools > Register PL/SQL Function. A window called 'PL/SQL Functions' will appear. Select the 'Import...' button. A new window called 'Import PL/SQL functions' will appear. Scroll down until you see set_context function. Once you found it click OK to import it to End User Layer. Do the same to import show_context function. Remember there are two functions and you need to import them both. When you are done, click 'Apply' button. Then click 'OK' button. You can double check to make sure your functions have been imported. Just nagivate to Tools > Register PL/SQL function again. When the window 'PL/SQL Functions' appears your function(s) should be in the list on the left hand site. Scroll down untill you find them.
Step4:
Now it is time to set your session parameters in a separate worksheet inside Discovere Desktop from your main reports. The following steps show you how to create a worksheet to define an effective date parameter. The parameter worksheet should be based on a folder that always returns exactly one row.
Log into Discoverer Admin. Open the Business Area you want to use. Then create "New Custom Folder..."
Copy and paste this code (select sydate from dual) inside the New Custom Folder and validate the code. Also rename your folder to 'Set Context Folder'
Step 5
Next log into Discoverer Desktop and choose 'Create New Workbook'. Then choose table layout option. In the available list choose 'Set Context Folder'. When you have highlighted 'Set Context Folder' click on '>' button. Then click then 'Finish' button. Once the workbook is created you will see 1 column called Sysdate and a row with today's date in it. Save this workbook and name this workbook XYZ. You might even rename the sheet to QWE.
Step 6:
Still in Desktop working on XYZ workbook on QWE sheet, click on Tools > Parameters > New. In the 'Name' field enter START_DATE. Next leave 'Create condition with operator' box unticked. Next in 'Prompt' field enter START_DATE. In 'Description' field enter START_DATE. In 'Default' field enter NULL. Click OK button when you are done.
Step 7:
Still in Desktop working on XYZ workbook on QWE sheet, click on Tools > Calculation > New. Click on 'Functions' radio button. Then click on 'Database' folder to expand it. Scroll down till you see 'Set Context' function in the list. Select it and click 'paste >>' button. It will now show: SET_CONTEXT(P_NAME, P_VALUE). Now you need to replace the two parameters (P_NAME, P_VALUE) of the function. Replace P_NAME with 'START_DATE'. When you are done click on Items radio button. Then click on the Parameters folder and select Start_Date.
When you are done it should look like this: SET_CONTEXT('START_DATE',TO_CHAR(:START_DATE))
You might want to rename this calculation to START_DATE
Ps. If you need to create two date parameters START_DATE and END_DATE then you repeat step 7 cause you need one more calculation.
Just replace START_DATE with END_DATE. You also might want to call this second calculation END_DATE. Thus when you are done you will have 2 calculations:
SET_CONTEXT('START_DATE',TO_CHAR(:START_DATE))
SET_CONTEXT('END_DATE',TO_CHAR(:END_DATE))
This is useful when you want date parameters similar to: 'where date between :Start_date and :End_date'
Step 8:
When you now run the XYZ workbook (QWE sheet) it will prompt you for an START_DATE. Enter 10-Jun-2009 (make sure the format you enter the date is similar to the format you have set up in discoverer). Now your XYZ workbook have 2 columns. First column is still called Sysdate with today's date. The second column is called START_DATE with 10-JUN-2009 in it.
Step 9:
Now you want to remove the 'SELECT SYSDATE FROM DUAL' data stored in 'SET CONTEXT FOLDER' from your XYZ workbook (QWE sheet) as you no longer need that. Still working with Desktop inside XYZ workbook on QWE sheet > click on Sheet menu option > then Edit Sheet option. On the Select Items tab click on 'Set Context Folder' and click < button to remove the folder from workbook XYZ. Click OK when done and run the workbook XYZ (sheet QWE) again. Now the workbook XYZ (sheet QWE) should only have one column called START_DATE and 10-Jun-2009 as the only row.
Step 10:
Rob you might want to come in here. It is also useful to create another calculation retrieving the value of the parameter, so that the value entered for the parameter can be seen when the workbook is run. Please give step by step instruction to complete this process
Step 11:
Still remember your initial problem where we wanted to use :IDATE in Discoverer Admin folder, but Discoverer Admin did not like the :IDATE syntax?
SELECT ENAME, HIRE_DATE
FROM EMP
WHERE HIRE_DATE = :IDATE;
Solution:
Well now you just replace :IDATE with TO_DATE(SYS_CONTEXT('EUL_DISCO','START_DATE'))
Log into Discoverer Admin. Open your Business Area. Then create 'New Custom Folder..'.
Copy the code below and paste it into the new custom folder.
Then validate the code.
Rename the new custom folder to 'Solution'
--copy and paste this code into folder 'Solution'
SELECT ENAME, HIRE_DATE
FROM EMP
WHERE HIRE_DATE = TO_DATE(SYS_CONTEXT('EUL_DISCO','START_DATE'))
note: 'EUL_DISCO' is the name of the context and package you created in step1
: 'START_DATE' is the name of the calculation you did in step7
Then log onto Discoverer Desktop > open your workbook XYZ > open sheet QWE.
Click on Menu item called Sheet > New Sheet > choose Table layout > click next > scroll down available folders till you find SQL folder with then name 'Solution'. Select 'Solution' folder and click > then click Finish.
The folder named 'Solution' will be used to populate the newly created sheet with data. You might want to rename the newly created sheet to 'Finally'.
At this point workbook XYZ should have 2 sheets (QWE and Finally).
Sheet 'QWE' contains the parameter and nothing else.
Sheet 'Finally' displays the code found in folder 'Solution'
First you run sheet QWE to set parameter. When prompt for a date enter '10-JUN-2009'. Click OK button.
Then click on sheet 'Finally' to allow the parameter to take effect and do its job. You will see that only data true of 10-JUN-2009 are displayed
Notes:
This is a very simple example. But if you work thru this example, then you will get the concept behind the idea and would you be able to satisfy your own need.

Can i extract no of columns fields as by using bind variables....

can i extract no of columns fields as by using bind variables....

SBH wrote:
I suppose you are asking for bind variable columns and their substituted values. You can query V$SQL_BIND_CAPTURE to view complete info about thatI've never had good luck with V$SQL_BIND_CAPTURE. Maybe its more robust since I tried on 9i several years ago; I could never find what I was looking for there :(
Edited by: riedelme on Jul 14, 2010 6:15 AM

Report Using Bind Variables

Hey Everyone,
I'm having a bit of trouble creating a report. I need the FROM part of the code to use bind variables. I have come up with this peice of code below but im getting the following error:
failed to parse SQL query:
ORA-06550: line 1, column 8:
PLS-00103: Encountered the symbol "" when expecting one of the following:
begin function package pragma procedure subtype type use
form
current cursor
The symbol "" was ignored.
ORA-06550: line 2, column 24:
PLS-00103: Encountered the symbol "" when expecting one of the following:
begin function package pragma procedure subtype type use
form
current
Can anyone see where im going wrong?
Thanks in advance,
-N.S.N.O.
Code*
DECLARE
x VARCHAR2 (4000);
BEGIN
x := x || 'select *';
x := x || 'from ';
x := x || :p13_schema;
x := x || '.ddl_log@';
x := x || :p13_db_name;
x := x || '_DBAAPEX.TNTEWW.COM';
RETURN (x);
END;

Hey Roel and Daylocks,
After getting frustrated for a while i deleted the page and started again. I put in the exact same code and it worked just how i wanted in the first place :S
The only thing i did different is when i was creating the report region the first time around i used a normal SQL query, For Example:
select sysdate from dual;
Then i modified it to
DECLARE
x VARCHAR2 (4000);
BEGIN
x := x || 'select ';*
x := x || 'from ';
x := x || :p14_schema;
x := x || '.ddl_log@';
x := x || :p14_db_name;
x := x || '_DBAAPEX.TNTEWW.COM';
RETURN (x);
END;
Whereas on the second attempt i used the peice of code in question straight away. Its been a bit of a frustrating morning because i used a similar peice of code for a different application, nevermind tho :)
Thanks for your replys, much appreciated.
-N.S.N.O.

How can I transfer a variable to regexp_replace function

Hi,
In addition to my question from yesterday, I went up one (little) level for the next question.
How can I transfer a variable to regexp_replace function?
I am getting the value of the variables from from APEX Items.
The value of item :P105_OLD_NAME should be replaced with the value from :P105_NAME APEX item.
The projects in PROJECT_NAME field are separated by “:”
select * from infoux_proj;
HOSTNAME PROJECT_NAME
host1 proj2:proj1
host3 proj1
host4 proj12:proj1
host5 proj3
host2 proj1:proj3:sunproj1
this is my code:
declare
v_old_proj_list varchar(100);
v_new_proj_list varchar(100);
begin
for host in (select a.hostname, project_name
from infoux_proj a,
(select hostname
from PROJECT_NAMES_WITH_HOSTNAMES
where name = :P105_OLD_NAME ) b
where a.HOSTNAME=b.hostname)
loop
select project_name ,
regexp_replace(project_name,'(^|:)(:P105_OLD_NAME)(:|$)','\1:P105_NAME \3') new_project
into v_old_proj_list, v_new_proj_list
from infoux_proj
where hostname=host.hostname;
update infoux_proj
set project_name=v_new_proj_list
where hostname=host.hostname;
end loop;
end;
Thanks,
Sheli

Hi, Sheli
Inside quotes, :p105_old_name will not be taken as a variable name. If you want to use the value of :p105_old_name in a string which its otherwise a literal, then you can concatenate the variable to the literal parts, using the || operator.
You can do soemthing like this:
REGEXP_REPLACE ( project_name
            , '(^|:)(' || :P105_OLD_NAME
                         || ')(:|$)'
            , '\1'       || :P105_NAME
                         || ' \3'
            )               AS new_projectI'll bet there's a much simpler way to do what you want. Instead of having two SELECTs, a cursor FOR loop and an UPDATE, you can probably do what you need to with just a single UPDATE or MERGE. It would be more efficient, too. If you'd like help, post CREATE TABLE and INSERT statements for all relevant tables and columns azs the exist before this code is run, a couple of sets of values for the bind variables, and the results you'd like to see (that is, the contents of the changed table) for each set, given the same sample data.
Always say which version of Oracle you're using.

Using bind variable in existsnode?

Is there a way to use bind variables in an XPath query?
SELECT sys_xmlagg(sys_xmlgen(xmlconcat(extract(value(x),'//title'),extract(value(x),'//description')))).transform(pkg_xslt_dao.getIndexContentXSLT).getClobVal() into v_html from iwgeneric x where existsnode(value(x),'//audiences[id="'|| p_audience_id_in ||'"]') = 1;
As you can see from the sql above, I am concatenating the parameter in the SQL. This SQL is wrapped in a PL/SQL function, which in turn will be called by a JSP.
Any help or advice is appreciated.

If you want to create this LOV in the standard parameter form of Oracle Reports, the answer is: no.
Create your own parameter form, e.g. in Oracle Forms if you are calling Reports from Forms.

Csv no data found when using bind variables

Hi,
I have created a report, that uses 2 date variables to limit the query and rows display as they should. But clicking the csv link opens csv having one row stating 'No data found...'. If I set static values in place of variables, I get the right result. How could I use bind variables and get the right answer in csv (without coding my own function)?
Kaja

I am having the same problem.
The export link opens a new session without submitting the current page. The page item values are therefor not saved to cache before the export is undertaken.
Any report using page item bind variables in the where clause will not export correctly as the bind values are either null or those of the previous page submit.
Any ideas on how to get round this??

Query don't use the right index when using bind variables

Hi people !
I need some help because I have an issue with a query that don t use the right Indexes as it should
First of all, I have mainly three tables :
ORDER : Table that contains description for each Order (approximately 1 000 000 Records)
ORDER_MVTS : Table that contains the tasks made (called movements) to set up each Orders
with quantity of packages prepared for each product (approximately 10 000 000 Records)
PRODUCT : Tables that contains the products (approximately 50 000 Records)
When I launch the query with hard coded values, it brings back response very fast
because it uses the right index (ORDER_DHR_VALID) which represent the date and hour of the order
(with format 'DD/MM/YYYY HH24:MI:SS'). The selectivity for this index is good.
NB 1: I have to use the trick " >= Trunc(date) and < trunc(date) +1 " to filter on a simple date because
the index contains hour and minutes (I know it wasn't probably a bright idea at conception time).
NB 2: The index on ORDER_MVTS.PRODUCT_CODE is'nt discriminating enough because there is'nt enough different products.
It's the same for index on CUSTOMER_CODE and on MVT_TYPE so only the index on ORDER.DHR_VALID is good.
Here is the correct explain plan when I execute the query with hard coded values :
SELECT SUM(ORDER_MVTS.NB_PACKAGE)
FROM ORDER_MVTS, PRODUCT, ORDER
WHERE ORDER.DHR_VALID >= TRUNC(to_date('14/11/2008 10:04:56','DD/MM/YYYY HH24:MI:SS'))
AND ORDER.DHR_VALID < TRUNC(to_date('14/11/2008 10:04:56','DD/MM/YYYY HH24:MI:SS')) + 1
AND ORDER_MVTS.MVT_TYPE = 'DELIVERY'
AND PRODUCT.CODE = ORDER_MVTS.PRODUCT_CODE
AND ORDER_MVTS.ORDER_CODE = ORDER.CODE
AND ORDER.CUSTOMER_CODE = 'ADIDAS'
AND PRODUCT.CODE = 1234
Rows Row Source Operation
1 SORT AGGREGATE
2 NESTED LOOPS
4 NESTED LOOPS
2 INDEX UNIQUE SCAN (object id 378548) --> PRODUCT_PK
4 TABLE ACCESS BY INDEX ROWID ORDER
777 INDEX RANGE SCAN (object id 378119) --> ORDER_DHR_VALID
2 TABLE ACCESS BY INDEX ROWID ORDER_MVTS
30 INDEX RANGE SCAN (object id 377784) --> ORDER_MVTS_ORDER_FK
Now the problem is when the query is used in a Cursor with bind variables.
It seems like Oracle don't use index on ORDER.DHR_VALID because he can't figure out that he have
to actually filter on a short period of time (only one day).
So Oracle uses the index on ORDER_MVTS.PRODUCT_CODE which is'nt a bright idea (it takes 10 secondes instead of just one)
Here is the bad explain plan :
Rows Row Source Operation
1 SORT AGGREGATE
2 NESTED LOOPS
722 NESTED LOOPS
2 INDEX UNIQUE SCAN (object id 378548) --> PRODUCT_PK
722 TABLE ACCESS BY INDEX ROWID ORDER_MVTS
1790 INDEX RANGE SCAN (object id 377777) --> ORDER_MVTS_PRODUCT_FK
2 TABLE ACCESS BY INDEX ROWID ORDER
1442 INDEX UNIQUE SCAN (object id 378439) --> ORDER_PK
Now I have found two solutions to this problem :
1) using a Hint to force the use of index on ORDER.DHR_VALID (with /*+ INDEX(ORDER ORDER_DHR_VALID) */ )
2) Using Dynamic SQL and keeping the date hard coded (but not the other values except mvt_type)
For example :
QUERY :=
'SELECT SUM(ORDER_MVTS.NB_PACKAGE)
FROM ORDER_MVTS, PRODUCT, ORDER
WHERE ORDER.DHR_VALID >= TRUNC(TO_DATE('''||To_char(P_DTE_VAL,'DD/MM/YYYY')||''',''DD/MM/YYYY'')) '||
AND ORDER.DHR_VALID < TRUNC(TO_DATE('''||To_char(P_DTE_VAL,'DD/MM/YYYY')||''',''DD/MM/YYYY'')) + 1 '||
AND ORDER_MVTS.MVT_TYPE = 'DELIVERY'
AND PRODUCT.CODE = ORDER_MVTS.PRODUCT_CODE
AND ORDER_MVTS.ORDER_CODE = ORDER.CODE
AND ORDER.CUSTOMER_CODE = :CUSTOMER
AND PRODUCT.CODE = :CODE ';
These two solutions work but Number 1 is bad in theory because it uses a Hint
and Number 2 may be difficult to code.
So my question is : Does someone knows another solution to force the use of index ORDER_DHR_VALID that can be simple and reliable.
Thank you very much for support
Edited by: remaï on Apr 1, 2009 4:08 PM

What version of oracle you have? CBO work is different in 9i and 10g.
Usually cost based optimizer do not want to use index for >< condition with binding variables because optimizer can not use statistic to determine selectivity, and by default selectivity of <> operators is low.
(As I remember '>' selectivity by default is 5%, you have two conditions > and <, therefore resulting selectivity will be 0.05*0.05=0.0025 as two independent events, but selectivity of other conditions
ORDER_MVTS.MVT_TYPE = 'DELIVERY' or ORDER.CUSTOMER_CODE = 'ADIDAS' looks much better for CBO)
The best solution I see is do not use binding variables. Actually your query looks as searching query, which executes not so often, therefore you will not have perfomance win along of skipping execution plan creation.
Edited by: JustasVred on Apr 1, 2009 10:10 AM

Using Bind Variable in a SELECT

Hi,
I'm trying to build up my SQL query at run-time using bind variables and in the Oracle® Fusion Middleware Fusion Developer's Guide for Oracle Application Development Framework 11g Release 1 (11.1.1) it says that 'After defining the bind variables, the next step is to reference them in the SQL statement. While SQL syntax allows bind variables to appear both in the SELECT list and in the WHERE clause, you'll typically use them in the latter context, as part of your WHERE clause.'.
However, when I try to use the bind variables in my SELECT list because I've had to set a type for the variable to String the variable gets inserted with inverted commas either side e.g. SELECT 'Service' FROM TestTable. Is it possible to use bind variables to insert a value into my select list without these inverted commas around it?
Thanks in advance,
Tom

OK, thanks for your response. Do you know of a way then where I can control my SELECT parameters programmatically? I'm currently trying to do it using the information in the chapter '35.9 Using Programmatic View Objects for Alternative Data Sources' from the Oracle® Fusion Middleware Fusion Developer's Guide for Oracle Application Development Framework 11g Release 1 (11.1.1). I think I'm part way there, would this be the correct way of acheiving what I want?
Cheers, Tom

Trying to pass array to stored procedure in a loop using bind variable

All,
I'm having trouble figuring out if I can do the following:
I have a stored procedure as follows:
create procedure enque_f826_utility_q (inpayload IN f826_utility_payload, msgid out RAW) is
enqopt dbms_aq.enqueue_options_t;
mprop dbms_aq.message_properties_t;
begin
dbms_aq.enqueue(queue_name=>'f826_utility_queue',
enqueue_options=>enqopt,
message_properties=>mprop,
payload=>inpayload,
msgid=>msgid);
end;
The above compiles cleanly.
The first parameter "inpayload" a database type something like the following:
create or replace type f826_utility_payload as object
2 (
3 YEAR NUMBER(4,0),
4 MONTH NUMBER(2,0),
83 MUSTHAVE CHAR(1)
84 );
I'd like to call the stored procedure enque_f826_utility_q in a loop passing to it
each time, new values in the inpayload parameter.
My questions are:
First, I'm not sure in php, how to construct the first parameter which is a database type.
Can I just make an associative array variable with the keys of the array the same as the columns of the database type shown above and then pass that array to the stored procedure?
Second, is it possible to parse a statement that calls the enque_f826_utility_q procedure using bind variables and then execute the call to the stored procedure in a loop passing new bind variables each time?
I've tried something like the following but it's not working:
$conn = oci_pconnect (....);
$stmt = "select * from f826_utility";
$stid = oci_parse($conn, $sqlstmt);
$r = oci_execute($stid, OCI_DEFAULT);
$row = array();
$msgid = "";
$enqstmt = "call enque_f826_utility_q(:RID,:MID)";
$enqstid = oci_parse($conn, $sqlstmt);
oci_bind_by_name($enqstid, ":RID", $row); /* line 57 */
oci_bind_by_name($enqstid, ":MID", $msgid);
while ($row = oci_fetch_array($stid, OCI_RETURN_NULLS+OCI_ASSOC))
++$rowcnt;
if (! oci_execute($enqstid)) /* line 65 */
echo "Error";
exit;
When I run this, I get the following:
PHP Notice: Array to string conversion in C:\Temp\enqueue_f826_utility.php on l
ine 57
Entering loop to process records from F826_UTIITY table
PHP Notice: Array to string conversion in C:\Temp\enqueue_f826_utility.php on l
ine 65
PHP Warning: oci_execute(): ORA-06553: PLS-306: wrong number or types of argume
nts in call to 'ENQUE_F826_UTILITY_Q' in C:\Temp\enqueue_f826_utility.php on lin
e 65
PHP Notice: Undefined variable: msgnum in C:\Temp\enqueue_f826_utility.php on l
ine 68
Error during oci_execute of statement select * from F826_UTILITY
Exiting!

Thanks for the reply.
I took a look at this article. What it appears to describe is
a calling a stored procedure that takes a collection type which is an array.
Does anyone from Oracle know if I can pass other database type definitions to a stored procedure from PHP?
I have a type defined in my database similar to the following which is not
an array but a record of various fields. This type corresponds to a payload
of an advanced queue payload type. I have a stored procedure which will take as it's input, a payload type of this structure and then enqueue it to a queue.
So I want to be able to pass a database type similar to the following type definition from within PHP. Can anyone from Oracle verify whether or not this is possible?
create or replace type f826_utility_payload as object
YEAR NUMBER(4,0),
MONTH NUMBER(2,0),
UTILITY_ID NUMBER(10,0),
SUBMIT_FAIL_BY VARCHAR2(30),
MUSTHAVE CHAR(1)
);

How to use session variable in JSP function & How to use both JSP Servlet

Hi,
I am new to JSP and servlets
Still I am devloping a website in JSP. I am not mixing JSP with servlets, but I do create Java files for bean, logic and database works.
I try to keep the hard coding part out of JSP.
I dont how to use both JSP and Servlets in combination.
Hence If needed I write some functions in JSP.
but it gives me error
+<%! public void abc()+
+{+
int intUserId = Integer.valueOf((Integer) session.getAttribute("MySession_UserID"));
+}+
+%>+
Saying cannot find symbol session
1) So can u please tell how can I access session variables within JSP function
2) And also give me some links/tutorials about useing both JSP and Servlets in combination.
Thanks
Venkat

The application architecture when you use Servlets and JSP in a standard MVC pattern is explained here (under the heading "Integrating Servlets and JSP Pages") and here ...

Performance when using bind variables

I'm trying to show myself that bind variables improve performance (I believe it, I just want to see it).
I've created a simple table of 100,000 records each row a single column of type integer. I populate it with a number between 1 and 100,000
Now, with a JAVA program I delete 2,000 of the records by performing a loop and using the loop counter in my where predicate.
My first JAVA program runs without using bind variables as follows:
loop
stmt.executeUpdate("delete from nobind_test where id = " + i);
end loop
My second JAVA program uses bind variables as follows:
pstmt = conn.prepareStatement("delete from bind_test where id = ?");
loop
pstmt.setString(1, String.valueof(i));
rs = pstmt.executeQuery();
end loop;
Monitoring of v$SQL shows that program one doesn't use bind variables, and program two does use bind variables.
The trouble is that the program that does not use bind variables runs faster than the bind variable program.
Can anyone tell me why this would be? Is my test too simple?
Thanks.

[email protected] wrote:
I'm trying to show myself that bind variables improve performance (I believe it, I just want to see it).
I've created a simple table of 100,000 records each row a single column of type integer. I populate it with a number between 1 and 100,000
Now, with a JAVA program I delete 2,000 of the records by performing a loop and using the loop counter in my where predicate.
Monitoring of v$SQL shows that program one doesn't use bind variables, and program two does use bind variables.
The trouble is that the program that does not use bind variables runs faster than the bind variable program.
Can anyone tell me why this would be? Is my test too simple?
The point is that you have to find out where your test is spending most of the time.
If you've just populated a table with 100,000 records and then start to delete randomly 2,000 of them, the database has to perform a full table scan for each of the records to be deleted.
So probably most of the time is spent scanning the table over and over again, although most of blocks might already be in your database buffer cache.
The difference between the hard parse and the soft parse of such a simple statement might be negligible compared to effort it takes to fulfill each delete execution.
You might want to change the setup of your test: Add a primary key constraint to your test table and delete the rows using this primary key as predicate. Then the time it takes to locate the row to delete should be negligible compared to the hard parse / soft parse difference.
You probably need to increase your iteration count because deleting 2,000 records this way probably takes too short and introduces measuring issues. Try to delete more rows, then you should be able to spot a significant and constant difference between the two approaches.
In order to prevent any performance issues from a potentially degenerated index due to numerous DML activities, you could also just change your test case to query for a particular column of the row corresponding to your predicate rather than deleting it.
Regards,
Randolf
Oracle related stuff blog:
http://oracle-randolf.blogspot.com/
SQLTools++ for Oracle (Open source Oracle GUI for Windows):
http://www.sqltools-plusplus.org:7676/
http://sourceforge.net/projects/sqlt-pp/

How to use bind variables with XMLTABLE?

I tried to use bind variables with xmltable statment. Here, my testcase:
create or replace function wsdltest return xmltype as
l_dummy xmltype;
l_stt clob;
l_name varchar2(500);
l_xml clob;
BEGIN
l_xml :=
'<definitions name="F1" targetNamespace="http://xmlns.oracle.com/orawsv/XFILES/F1" xmlns="http://schemas.xmlsoap.org/wsdl/" xmlns:tns="http://xmlns.oracle.com/orawsv/XFILES/F1" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/">
<types>
<xsd:schema targetNamespace="http://xmlns.oracle.com/orawsv/XFILES/F1" elementFormDefault="qualified">
<xsd:element name="SVARCHAR2-F1Input">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="A-VARCHAR2-IN" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="F1Output">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="RETURN" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:schema>
</types>
<message name="F1InputMessage">
<part name="parameters" element="tns:SVARCHAR2-F1Input"/>
</message>
<message name="F1OutputMessage">
<part name="parameters" element="tns:F1Output"/>
</message>
<portType name="F1PortType">
<operation name="F1">
<input message="tns:F1InputMessage"/>
<output message="tns:F1OutputMessage"/>
</operation>
</portType>
<binding name="F1Binding" type="tns:F1PortType">
<soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
<operation name="F1">
<soap:operation soapAction="F1"/>
<input>
<soap:body parts="parameters" use="literal"/>
</input>
<output>
<soap:body parts="parameters" use="literal"/>
</output>
</operation>
</binding>
<service name="F1Service">
<documentation>Oracle Web Service</documentation>
<port name="F1Port" binding="tns:F1Binding">
<soap:address location="http://localhost:8080/orawsv/XFILES/F1"/>
</port>
</service>
</definitions>';
-- OK
l_stt := 'select * from xmltable(XMLNAMESPACES(''http://www.w3.org/2001/XMLSchema'' AS "XSD", default ''http://schemas.xmlsoap.org/wsdl/''),
''//definitions/types/XSD:schema/XSD:element[@name="SVARCHAR2-F1Input"]''
passing xmltype(:1)
columns
ab xmltype path ''.'' ) t';
EXECUTE IMMEDIATE l_stt INTO l_dummy using l_xml;
-- ERROR ORA-01006
l_name := '"SVARCHAR2-F1Input"';
l_stt := 'select * from xmltable(XMLNAMESPACES(''http://www.w3.org/2001/XMLSchema'' AS "XSD", default ''http://schemas.xmlsoap.org/wsdl/''),
''//definitions/types/XSD:schema/XSD:element[@name=:2]''
passing xmltype(:1)
columns
ab xmltype path ''.'' ) t';
EXECUTE IMMEDIATE l_stt INTO l_dummy using l_xml, l_name;
return l_dummy;
END;
Any idea ?
Thanks in advance
Cyryl

Why are you using dynamic SQL statements? Why not just use something like this instead in your PL/SQL. I also replaced the leading // in your Xpath with just / since you start from the root node.
select *
INTO l_dummy
from xmltable(XMLNAMESPACES('http://www.w3.org/2001/XMLSchema' AS "XSD", default 'http://schemas.xmlsoap.org/wsdl/'),
                '/definitions/types/XSD:schema/XSD:element'
                passing xmltype(l_xml)
                columns
                ab xmltype path '.' ) t;Also, the above returns two rows, which I suspect is not what you want. Here is the pure SQL version for you to debug.
select *
from xmltable(XMLNAMESPACES('http://www.w3.org/2001/XMLSchema' AS "XSD", default 'http://schemas.xmlsoap.org/wsdl/'),
               '/definitions/types/XSD:schema/XSD:element'
               passing xmltype('<definitions name="F1" targetNamespace="http://xmlns.oracle.com/orawsv/XFILES/F1" xmlns="http://schemas.xmlsoap.org/wsdl/" xmlns:tns="http://xmlns.oracle.com/orawsv/XFILES/F1" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/">
<types>
<xsd:schema targetNamespace="http://xmlns.oracle.com/orawsv/XFILES/F1" elementFormDefault="qualified">
<xsd:element name="SVARCHAR2-F1Input">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="A-VARCHAR2-IN" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="F1Output">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="RETURN" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:schema>
</types>
<message name="F1InputMessage">
<part name="parameters" element="tns:SVARCHAR2-F1Input"/>
</message>
<message name="F1OutputMessage">
<part name="parameters" element="tns:F1Output"/>
</message>
<portType name="F1PortType">
<operation name="F1">
<input message="tns:F1InputMessage"/>
<output message="tns:F1OutputMessage"/>
</operation>
</portType>
<binding name="F1Binding" type="tns:F1PortType">
<soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
<operation name="F1">
<soap:operation soapAction="F1"/>
<input>
<soap:body parts="parameters" use="literal"/>
</input>
<output>
<soap:body parts="parameters" use="literal"/>
</output>
</operation>
</binding>
<service name="F1Service">
<documentation>Oracle Web Service</documentation>
<port name="F1Port" binding="tns:F1Binding">
<soap:address location="http://localhost:8080/orawsv/XFILES/F1"/>
</port>
</service>
</definitions>'
               columns
               ab xmltype path '.' ) t

ORA-01722: invalid number caused with SQL using bind variable

Hi,
Im am hoping that someone can help me resolve a problem thats only just services and is being experienced on quite a few clients.
our application uses C++ exes and makes OCI calls to the database.
what has happened in the last week or so, there has been quite a few invalid number errors being received on a prod server but strangly enough we cannot reproduct the error on our UAT system.
The sql is using bind variables and the information in the trace file shows that a number is being used for the bind variable, here is an extract from one trace file:
for some schemas, the bind variable value is some currupted value, i think:
oacdty=01 mxl=32(21) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1206001 frm=01 csi=178 siz=32 off=0
kxsbbbfp=9a8d62b8 bln=32 avl=03 flg=05
value="Â*d"
but on another schema, the value used is:
Bind#0
oacdty=01 mxl=32(32) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1206001 frm=01 csi=178 siz=32 off=0
kxsbbbfp=c5f92718 bln=32 avl=04 flg=05
value="2101"
however both produce invalid number errors.
I am relatively inexperienced as a DBA so would appreciate as much help as i can get.

Could you post your sql statement that is being run.
Also post the query plan from your uat system and the one from your production system (They are likely to be different)
You can export the stats from your production system and run them in your uat system. If you do this, then the execution plans should be the same on both systems(dbms_stats) and if you have the same data you should run into the same problem on uat as in production.
The root cause of this type of problem is having a column in a table which holds values which are of different datatypes. Typically there is a condition in the where clause which indicates that for example only numeric columns should be retrieved from the column which holds multiple data types. However since the optimizer is free to rewrite the query any way it sees fit, (It does not necessarily execute in the order the sql statement is written) it does not filter this data first, and therefore you hit non-numeric data and run into the invalid number error.
You can use little techniques like using an inline view with rownum in the column list, to perform the first filter. This ensures that the inline view is executed on its own, rather than being merged (materialized) with the rest of the query.
A quick temporary solution is to use a comparison like to_char(column_name) = variable
Make sure your comparisons are correct and it doesn't negatively impact on performance of the query

Can't use bind variable in a function

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