Row Level selection by KIND value

I have inherited a C++ process extension for row level. Since row level only works in reports run in Crystal format, I would like to limit the addition of the supplemental criteria to only those reports run in that format and append a "False" to all others. So within C+, I am looking for the equivalent of SI_KIND = "CrystalReport" value. I am not a C+ programmer and any detail help would be appreciated.

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How to Catch the Event when a Row is Selected in Extended value Selector

Hi All.
I Want to Call the Action when a perticular row is selected in Extended value Selector.
How can I do it
Thanks & Regards
Kiran

Hi Kiran,
Create a seperate view with the table of records same u are showing EVS because with EVS it is not possible to raise any event.
So add ths view to a seperate window and open that window instead of EVS .So here you can raise an event becuse it a view.
Regards
Padma N

Row and Column Level Select Permission

Hello Friends,
I am using Oracle Oracle9i Enterprise Edition Release 9.2.0.1.0 and Windows XP. I have two questions. How to set :
1. Row Level Select Permission?
2.Column Level Select Permission?
1. I have a table having 100 records in it. I don’t want to allow all the user to see them; means, if user1, user2 and user3 are going to select * from mytable then only they can get all the rows; while other users (including sys) should not able to get all rows, they should be capable of from 11th record.
Though it can be managed by using another table, but I am just finding the other solution.
2. Likewise, if I don’t want to allow to fetch all the columns; suppose column4 is having confidential info and only be visible by user1,user2 and user3 only, not by any othr user; what should I do?
Please guide and help me.
Regards

You would need to use Virtual Private Database (VPD)/ row level security (RLS) to apply row-level security policies to the table. The DBMS_RLS package is used for this
http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14258/d_rls.htm#sthref6168
Unfortunately, column-level security wasn't available in 9.2. You would need to upgrade to Oracle 10g to get that functionality. Before that, you would have to create views that selected appropriate subsets of columns and grant permissions on those views to different users.
Justin

Tableview: Call Javascript-Function when row is selected

Hi everybody,
I have created a tableview with selectionmode lineedit.
Now, I'm looking for a way to call a Javascript function when a row is selected.
The value of the selected row shall be passed to this function.
How can I sove this.
Best regards
Alberto

HI Alberto,
referr to JavaScript to check if any row is selected or not..!...
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Thanks,
Tatvagna...

Setting multiple selection checkbox disabled at row level

Hi all
i have a query bean in my page .once user clicks on the Go button ..the records gets displayed in an advanced table .this table has one table selection column (multiple selection).
now based on a attribute value i need to disable these check boxes .
if attribute1 for a row is 'Y' i need to disable it otherwise enable it..
there is no disabled property in the property inspector for this bean so i cant set any SPEL for this column..
kindly help me out
naveen

thanks a lot to all of u
i have resolved this issue as follows
OAAdvancedTableBean srTblBean=
(OAAdvancedTableBean)webBean.findChildRecursive("XXPAAssignResourcesVO1");
srTblBean.setSelectionDisabledBindingAttr("workflowActive");
where workflowActive is a transient Boolean attribute .and i m setting this attribute based on the value of Attribute1 in VORowImpl setworkflowActive(String Value) Method.
it worked at row level..
Naveen

Referencing a row level field value in an Interactive Report using jquery

I have an Interactive Report with a row level select_list:
select ename "Employee Name",
mgr "Manager",
empno,
APEX_ITEM.SELECT_LIST(
p_idx => 3,
--p_value         =>   deptno,
p_list_values => 'Copy;Copy,Delete;Delete,Export to PDF;Export to PDF',
--p_attributes    =>   'style="color:red;"',
p_show_null => 'YES',
p_null_value => NULL,
p_null_text => '--Select--',
--p_item_id       =>   'f03_#ROWNUM#',
p_item_id => 'P6_IR_SELECT_LIST',
p_item_label => 'Label for f03_#ROWNUM#',
p_show_extra => 'YES') "Actions"
from emp e, dept d
where e.deptno = d.deptno ;
When a user selects "Delete", i'd like to delete the EMPNO based on the row where the user selected "Delete". I have tried alerting on the following, but cannot figure out how to capture the row-level EMPNO:
alert($v('apexir_EMPNO'));
alert($('#apexir_EMPNO').val());
Can someone tell me how to reference the specific EMPNO per row?
Thanks in advance!
John

What about this:
Dynamic action
Event: change
selector: jQuery selector:
select[name="f21"]
True action
Exec JS code
var row = $x_UpTill(this.triggeringElement, 'TR');
var otherElement = $('input[name="f20"]', row)[0];
console.log(otherElement.value);
http://apex.oracle.com/pls/apex/f?p=45448:11 (bottom half)

Selecting multiple rows a table according to rows passed with a table valued parameter

Ive got a table, which looks like this:
CREATE TABLE MyTable (
MyChars CHAR(3) NOT NULL,
MyId INT NOT NULL,
CONSTRAINT PK__MyTable_MyChars_MyId PRIMARY KEY (MyChars, MyId),
CONSTRAINT FK__MyOtherTable_Id_MyTable_MyId FOREIGN KEY (MyId) REFERENCES MyOtherTable (Id)
Records look like i.e.:
Chars | Id
'AAA' | 1
'BBB' | 1
'CCC' | 1
'AAA' | 2
'BBB' | 2
'CCC' | 2
'DDD' | 2
'EEE' | 3
'FFF' | 3
'AAA' | 4
'DDD' | 4
'FFF' | 4
Now I have a SP, which takes a table valued parameter like:
CREATE TYPE dbo.MyTVP AS TABLE ( MyChars CHAR(3) )
This SP should return a set of Ids, which match all the rows of the parameter.
I.e.:
if the TVP contains 'AAA', 'BBB' & 'CCC', i get as result 1 & 2
if the TVP contains 'AAA' & 'FFF', i get as result 4
if the TVP contains 'BBB' & 'EEE', i get an empty result
What my SP is currently doing, is to build a query with string concatination, which is then executed with the EXEC statement. If we take my first example, the built query would look like this:
SELECT DISTINCT t0.MyId
FROM MyTable t0
INNER JOIN MyTable t1 ON t0.MyId = t1.MyId
INNER JOIN MyTable t2 ON t1.MyId = t2.MyId
WHERE t0.MyChars = 'AAA' AND t1.MyChars = 'BBB' AND t2.MyChars = 'CCC'
It works, but I'm not very fond of building the query. Maintaining such things is always a pain. And it also might not be the most efficient and elegant way to do this.
Since I can't think of any other way of doing this, I wanted to ask, if someone of you got an idea, if there is a better way to accomplish this.

Let me give you a "cut and paste" I use in the SQL Server groups:
1) The dangerous, slow kludge is to use dynamic SQL and admit that any random future user is a better programmer than you are. It is used by Newbies who do not understand SQL or even what a compiled language is. A string is a string; it is a scalar value like
any other parameter; it is not code. Again, this is not just an SQL problem; this is a basic misunderstanding of programming principles.
2) Passing a list of parameters to a stored procedure can be done by putting them into a string with a separator. I like to use the traditional comma. Let's assume that you have a whole table full of such parameter lists:
CREATE TABLE InputStrings
(keycol CHAR(10) NOT NULL PRIMARY KEY,
input_string VARCHAR(255) NOT NULL);
INSERT INTO InputStrings
VALUES ('first', '12,34,567,896'),
('second', '312,534,997,896'),
etc.
This will be the table that gets the outputs, in the form of the original key column and one parameter per row.
It makes life easier if the lists in the input strings start and end with a comma. You will need a table of sequential numbers -- a standard SQL programming trick, Now, the query,
CREATE VIEW ParmList (keycol, place, parm)
AS
SELECT keycol,
COUNT(S2.seq), -- reverse order
CAST (SUBSTRING (I1.input_string
FROM S1.seq
FOR MIN(S2.seq) - S1.seq -1)
AS INTEGER)
FROM InputStrings AS I1, Series AS S1, Series AS S2
WHERE SUBSTRING (',' + I1.input_string + ',', S1.seq, 1) = ','
AND SUBSTRING (',' + I1.input_string + ',', S2.seq, 1) = ','
AND S1.seq < S2.seq
GROUP BY I1.keycol, I1.input_string, S1.seq;
The S1 and S2 copies of Series are used to locate bracketing pairs of commas, and the entire set of substrings located between them is extracted and cast as integers in one non-procedural step. The trick is to be sure that the right hand comma of the bracketing
pair is the closest one to the first comma. The relative position of each element in the list is given by the value of "place", but it does a count down so you can plan horizontal placement in columns.
This might be faster now:
WITH Commas(keycol, comma_seq, comma_place)
AS
(SELECT I1.keycol, S1.seq,
ROW_NUMBER() OVER (PARTITION BY I1.keycol ORDER BY S1.seq)
FROM InputStrings AS I1, Series AS S1
WHERE SUBSTRING (',' || I1.input_string || ','
FROM S1.seq
FOR 1) = ','
AND S1.seq <= CHARLENGTH (I1.input_string))
SELECT SUBSTRING(',' || I1.input_string || ','
FROM C1.comma_place +1
FOR C2.comma_place - C1.comma_place - 1)
FROM Commas AS C1, Commas AS C2
WHERE C2.comma_seq = C1.comma_seq + 1
AND C1.keycol = C2.keycol;
The idea is to get all the positions of the commas in the CTE and then use (n, n+1) pairs of positions to locate substrings. The hope is that the ROW_NUMBER() is faster than the GROUP BY in the first attempt. Since it is materialized before the body of
the query (in theory), there are opportunities for parallelism indexing and other things to speed up the works.
Hey, I can write kludges with the best of them, but I don't. You need to at the very least write a routine to clean out blanks, handle double commas and non-numerics in the strings, take care of floating point and decimal notation, etc. Basically, you must
write part of a compiler in SQL. Yeeeech! Or decide that you do not want to have data integrity, which is what most Newbies do in practice altho they do not know it.
A procedural loop is even worse. You have no error checking, no ability to pass local variables or expressions, etc.
CREATE PROCEDURE HomemadeParser(@input_string VARCHAR(8000))
AS
BEGIN
DECLARE @comma_position INTEGER;
CREATE TABLE #Slices
(slice_value INTEGER);
SET @input_string = @input_string + ','; --add sentinel comma
SET @comma_position = CHARINDEX(',', @input_string);
WHILE @comma_position > 1
BEGIN
INSERT INTO #Slices (slice_value)
VALUES(CAST(LEFT(@input_string, (@comma_position - 1)) AS INTEGER));
SET @input_string = RIGHT(@input_string, LEN(@input_string)-@comma_position)
SET @comma_position = CHARINDEX(',', @input_string)
END;
END;
Better answer:
http://www.simple-talk.com/sql/learn-sql-server/values()-and-long-parameter-lists/
http://www.simple-talk.com/sql/learn-sql-server/values()-and-long-parameter-lists---part-ii/
Do this with a long parameter list. You can pass up to 2000+ parameters in T-SQL, which is more than you probably will ever need. The compiler will do all that error checking that the query version and the procedural code simply do not have unless you write
a full parser with the standard error codes. You can now pass local variables to your procedure; you can pass other data types and get automatic conversions, etc. In short, this is just good software engineering.
CREATE PROCEDURE LongList
(@p1 INTEGER = NULL,
@p2 INTEGER = NULL,
@p3 INTEGER = NULL,
@p4 INTEGER = NULL,
@p5 INTEGER = NULL)
x IN (SELECT parm
FROM (VALUES (@p1), (@p2), (@p3), (@p4), (@p5)) AS X(parm)
WHERE parm IS NOT NULL;
You get all the advantages of the real compiler and can do all kinds of things with the values.
--CELKO-- Books in Celko Series for Morgan-Kaufmann Publishing: Analytics and OLAP in SQL / Data and Databases: Concepts in Practice Data / Measurements and Standards in SQL SQL for Smarties / SQL Programming Style / SQL Puzzles and Answers / Thinking
in Sets / Trees and Hierarchies in SQL

Capturing value in after insert or update row level trigger

Hi Experts,
I'm working on EBS 11.5.10 and database 11g. I have trigger-A on wip_discrete_jobs table and trigger-B on wip_requirement_operations table.When ever i create discrete job, it inserts record in both wip_discrete_jobs and wip_requirement_operations.
Note:2 tables are like master-child relation.
Trigger-A: After Insert.Row Level trigger on wip_discrete_jobs
Trigger-B:After Insert,Row Level trigger on wip_requirement_operations
In Trigger A:
I'm capturing wip_entity_id and holding in global variable.
package.variable:=:new.wip_entity_id
In Trigger B:
I'm using the above global variable.
Issue: Let's say i have create discrete job,it's wip_entity_id is 27, but the global variable is holding the previous wip_entity_id(26),not current value.It looks like before trigger A event is complete, trigger B is also in process, i think this could be the reason it's not storing the current wip_entity_id in the global variable.
I need your help how to have the current value in the global variable so that i can use that in the trigger B.
Awaiting response at the earliest.
Thanks

798616 wrote:
Hi Experts,
I'm working on EBS 11.5.10 and database 11g. I have trigger-A on wip_discrete_jobs table and trigger-B on wip_requirement_operations table.When ever i create discrete job, it inserts record in both wip_discrete_jobs and wip_requirement_operations.
Note:2 tables are like master-child relation.
Trigger-A: After Insert.Row Level trigger on wip_discrete_jobs
Trigger-B:After Insert,Row Level trigger on wip_requirement_operations
In Trigger A:
I'm capturing wip_entity_id and holding in global variable.
package.variable:=:new.wip_entity_id
In Trigger B:
I'm using the above global variable.
Issue: Let's say i have create discrete job,it's wip_entity_id is 27, but the global variable is holding the previous wip_entity_id(26),not current value.It looks like before trigger A event is complete, trigger B is also in process, i think this could be the reason it's not storing the current wip_entity_id in the global variable.
I need your help how to have the current value in the global variable so that i can use that in the trigger B.
Awaiting response at the earliest.
ThanksMy head hurts just thinking about how this is being implemented.
What's stopping you from creating a nice and simple procedure to perform all this magic?
Continue with the global/trigger magic at your own peril, as you can hopefully already see ... nothing good will come from it.
Cheers,

How to display dynamic values in poplist at row level in advanced table

I want to display dynamic values in poplist at row level based on a row value in advanced table, with lov i can achieve it, is there any way to achieve this in poplist
Thanks
Bbau

Babu,
You have been long enough in forum and still come out with these one liners. Problem statement is not clear.
--Shiv

How To Setup User Row Level Security In Answers From Values In Table

I am trying to setup row level security when a user logs into BI Answers. Basically I want the user to create any report that they would like but only see the data that they are associated to being retrieved in the Answer Report results. I have users stored in an Oracle authentication table where they have multiple values for schools that they can view. I have data in my RPD file that contain tables with multiple rows for schools. What I would like is to capture the associated school values for the user logged into BI Answers and place a filter on the data being retrieved in the RPD file to only show rows for the user's associated schools. Can I add a WHERE clause on the Business Model and Mapping layer of the RPD that would retrieve the multiple associated schools in my authentication table and filter/match them (IN clause maybe) to the school values in the RPD data being retrieved?
Thank you in advance for any information you my have to help me along,
Kyle

Turribeach,
I appologize, I did not use those exact words to search on in the forum. I should have and what I did use didn't turn anything up for my situation.
Thank you for the link. It helped me find the below link which describes the setup in detail and resolved my issue:
http://oraclebizint.wordpress.com/2008/06/30/oracle-bi-ee-1013332-row-level-security-and-row-wise-intialized-session-variables/
What I needed was a row-wise variable/initialization block that stored the multiple school values for my logged in user. I then edited the "Content" tab of the Logical Table Source with a WHERE/IN clause that filtered down the result set based on my variable/initialization block SQL query.
This solution works great!
Thanks again!

Auto fill Row level UDF from Header Level UDF

Hi,
I have a header UDF (U_BU) and Row UDF (U_BU).
Each time I add a row (item or service type) I want the row UDF to be loaded with the header UDF data, using a formatted search on the row UDF.
I also want the user to be able to change the ROW UDF if it is not meant to be the same as the header.
Could someone help on this?
Kind Regards,
Eric

Hi Eric,
Try this,
->> Assign this FMS in UDF(row level) on A/R Invoice.
->> Auto Refresh of Item Description.
SELECT $[OINV.U_BU]
or
for example, use variable
(because this method of FMS will work all marketing doc.)
SELECT $[$33.0.U_BU]
->> Assign the FMS in UDF on item rows.
1. Goto the UDF and Click ShiftAltF2.
2. Select the SEARCH BY SAVED QUERY.
3. Assign the FMS Query.
4. Select the AUTO REFRESH WHEN FIELD CHENGES.
5. Select Item Description.
6. Check the Display Saved Values.
Regards,
Madhan.

What is the use of additon in up to 1 rows in SELECT statement

Hi All,
         What is the use of up to 1 rows in select statement.
for example
SELECT kostl
      FROM pa0001
      INTO y_lv_kostl UP TO 1 ROWS
      WHERE pernr EQ pernr
      AND endda GE sy-datum.
    ENDSELECT.
I'm unable to get in wat situations we hav to add up to 1 rows
please help me out...
Thanks,
santosh.

Hi,
Use "select up to 1 rows" only if you are sure that all the records returned will have the same value for the field(s) you are interested in. If not, you will be reading only the first record which matches the criteria, but may be the second or the third record has the value you are looking for.
The System test result showed that the variant Single * takes less time than Up to 1 rows as there is an additional level for COUNT STOP KEY for SELECT ENDSELECT UP TO 1 ROWS.
The 'SELECT .... UP TO 1 ROWS' statement is subtly different. The database selects all of the relevant records that are defined by the WHERE clause, applies any aggregate, ordering or grouping functions to them and then returns the first record of the result set.
Regards,
Bhaskar

How to get a row level share lock

Is it possible to acquire a row-level share lock, which would do all of the following?
1. Prevent others from updating that row.
2. Allow others to read that row.
3. Allow others to update other rows in the same table.
I have the following scenario where two transactions need to lock eachother out:
Set-up:
Insert into TABLE_A(value_a) values ('ok');
Insert into TABLE_B(value_b) values ('ok');
Transaction A:
Select value_b from TABLE_B
If value_b = 'ok', update TABLE_A set value_a = 'not ok'
Transaction B:
Select value_a from TABLE_A
If value_a = 'ok', update TABLE_B set value_b = 'not ok'
If transaction A runs first then the end result is "not ok" only in TABLE_A.
If transaction B runs first then the end result is "not ok" only in TABLE_B.
If the two transactions run concurrently, it is possible to get "not ok" in both tables. This is what I would like to prevent.
One way to get what I want is to use "select for update":
Transaction A:
Select value_a from TABLE_A for update
Select value_b from TABLE_B for update
If value_b = 'ok', update TABLE_A set value_a = 'not ok'
Transaction B:
Select value_a from TABLE_A for update
Select value_b from TABLE_B for update
If value_b = 'ok', update TABLE_B set value_a = 'not ok'
This way both transactions won't perform their update unless they know that the result if their select will still be the same after they commit. However, by using "select for update" Transaction A has gained an exclusive lock on the TABLE_B row. If a Transaction C with the same contents as Transaction A happens concurrently, then the two will block eachother even though all they both want is to read data from the same table.
Another way is to use "lock table", however using that would block out not only writes to a specific row, but writes to all rows in the table. (In my example there is only one row, but obviously that's just a simplified example.)
I have looked at the "serializable" isolation level, but that doesn't seem to help because the queries and updates involve more than one table.
I know that "reads don't block writes" is a fundamental part of the Oracle design that makes Oracle what it is, but is there any way I can explicitly make it happen anyway? Or can anyone see some other solution to what I'm trying to achieve?

Let me give a more real-world example to show what I'm talking about.
Imagine a simple bug-reporting OLTP application. Each bug has 3 fields:
1. Description
2. Resolution
3. Status (open/closed)
The application also has some rules:
A. If the Status is "closed", Description and Resolution cannot be changed.
B. In order to change the Status to "closed", both a Description and Resolution must be specified.
Now as long as only one person at a time updates a bug, everything is fine. However, if one person switches the Status to "closed" while another concurrently blanks out the Resolution you end up with a closed bug that has no Resolution. This is why some locking is necessary.
If Description, Resolution, and Status are all stored in the same table row, then it makes sense for each transaction to simply select the whole row FOR UPDATE, and then UPDATE it after it ensures all the rules are passed. However, in my fictional bug-reporting application they are all stored in separate tables. Now, the transaction that is making the change to Resolution could lock the row in the Status table FOR UPDATE (as everyone so far has suggested). Transactions making a similar change to the Description should then also lock the row in the Status table FOR UPDATE for the same reason. The end result of this is that Description changes and Resolution changes lock eachother out (can't happen concurrently, are serialized) when they don't need to be. Description changes and Resolution changes don't affect eachother, but because they both need to (exclusively) lock the same row, they are serialized.
If there was a way to acquire a share lock on the row in the Status table, then Description and Resolution changes would use that and not affect eachother. Status changes would still acquire an exclusive lock on the row, and would be blocked by (and block any further) concurrent Description and Resolution changes. This would be ideal.

Row level locks

Hi All,
Version - Oracle Database 10g Enterprise Edition Release 10.2.0.2.0
I have a card's data in a table. Whenver a two different sessions/threads selects the data sometimes they get the same card.
Now I need to lock the record. If Thred-1 selects then it will lock the first records and thread-2 must select the second record as the first record is locked by thread-1.
I have written a piece of code , at first session it locks one record and when second session select it selects no records.
I have takem MIN group function because I want the cards to be selected in order.
Can you please tell where is my code went wrong or need some changes. Data and code is given below.
SQL> SELECT * FROM crm_pps_cards_sz ORDER BY 1;
CARD_NO          PIN SERIAL_NUMBER DATE_CREATED DATE_MERGED DATE_ALLOCATED DATE_REGISTERED
6338079966430591 9985 9950013661    12/06/2011
6338079973369543 6858 9950013660    12/06/2011
6338079978994154 7144 9950013655    12/06/2011
6338079981471778 7631 9950013654    12/06/2011
6338079986365041 7849 9950013657    12/06/2011
SQL>
Thread - 1
Connected to Oracle Database 10g Enterprise Edition Release 10.2.0.2.0
Connected as crm
SQL> set serveroutput on
SQL>
SQL> DECLARE
2    l_rec crm_pps_cards_sz%ROWTYPE;
3    CURSOR c IS
4      SELECT * FROM crm_pps_cards_sz t WHERE t.card_no =
5      (SELECT MIN(card_no) card FROM crm_pps_cards_sz)
6      FOR UPDATE NOWAIT SKIP LOCKED;
7
8 BEGIN
9    OPEN c;
10    FETCH c
11      INTO l_rec;
12    CLOSE c;
13    dbms_output.put_line('Card Allocated ' || l_rec.card_no);
14
15 END;
16 /
Card Allocated 6338079966430591
PL/SQL procedure successfully completed
SQL>
Thread - 2
Connected to Oracle Database 10g Enterprise Edition Release 10.2.0.2.0
Connected as crm
SQL> set serveroutput on
SQL>
SQL> DECLARE
2    l_rec crm_pps_cards_sz%ROWTYPE;
3    CURSOR c IS
4      SELECT * FROM crm_pps_cards_sz t WHERE t.card_no =
5      (SELECT MIN(card_no) card FROM crm_pps_cards_sz)
6      FOR UPDATE NOWAIT SKIP LOCKED;
7
8 BEGIN
9    OPEN c;
10    FETCH c
11      INTO l_rec;
12    CLOSE c;
13    dbms_output.put_line('Card Allocated ' || l_rec.card_no);
14
15 END;
16 /
Card Allocated
PL/SQL procedure successfully completed
SQL> My concern is that it must allocate in the order
6338079966430591
6338079973369543
....

It is because MIN(ard_no) is able to find value from table which is locked by you thread 1 and thread 1 mentioned NOWAIT thus it thread 2 went out without getting anything.
Please check my reply to your duplicate thread "row level locking" .

SBO - Approval Procedures at row level

Does anyone know how to create an approval procedure that is triggered by a row field. For example if I want an approval procedure that verifies discount percentage in row level.
There must be a workaround, cause I know this is not a functionality in SBO.
Thanks,
Hernán Baudrit

The way you could solve this is to create a UDF at Header level and link a formatted search which loops through the number of rows in the transaction and returns TRUE if for example the Discount % is greater than allowed.
The coding should be something as follows:
Declare @Counter as integer
Set @Couter = 0
Declare @TempTable TABLE (STAT varchar(50)) -- Temporary table holding results of loop
Declare @LoopFor as integer
Set @LoopFor = (select (*) from (select T1.DocEntry
                                                          from INV1 T0 join OINV T1 on T0.DocEntry = T1.DocEntry
                                                                  where T0.DocNum = $[OINV.DocNum])
While @Counter < @LoopFor
BEGIN
      Declare @Disc as integer
       Set @Disc = ( select T1.DiscPrcnt
                                        from INV1 T0 join OINV T1 on T0.DocEntry = T1.DocEntry
                                                   where T0.DocNum = $[OINV.DocNum]) and T1.LineNum = @Counter
     IF @Disc > 20
     BEGIN
              INSERT @TempTable VALUES ('TRUE')
     END ELSE INSERT @TempTable VALUES ('FALSE')
@Counter = @Counter + 1
END
SELECT Distinct 'TRUE' from @TempTable where STAT = 'TRUE'
Please note that the coding is not 100% accurate but should give you an idea of how to work around the problem.
Next you should write a simple validation query on the value of the UDF to check whether it is set to 'True'.
I hope this helps.

Row Level selection by KIND value

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