Boolean condition on a tab does not
Hello!I have a tab that should only appear if a recording is in the database. I use a condition "PL/SQL function body returning a Boolean" by the following:
DECLARE
T1 varchar2 (20);
BEGIN
Select the GROUP in t1 from pl_department where userid =: APP_USER.
If ((t1 = '-') OR (t1 is null) OR (t1 = ") or (t1 = '%' |)) ' %')) null then
Returns false;
on the other
Returns true;
end if;
END;
If no data is found in the database, I get an error at the top of my page "invalid function body condition: ORA-01403: no data found".
As you can see I tried to check the 4 possible different values, but nothing works.
Any ideas on what I can try?
Thank you!
T
Published by: 73pixieGirl on December 16, 2008 06:34
Hello
You can better use the Exists condition (SQL query returns at least one row)
You would put in the expression 1: select the GROUP from pl_department where userid =: APP_USER.
The problem you are experiencing, it is that your code is entering the exception. If you really want to keep your code, you can adapt it as:
DECLARE
T1 varchar2 (20);
BEGIN
Select the GROUP in t1 from pl_department where userid =: APP_USER.
If ((t1 = '-') OR (t1 is null) OR (t1 = ") or (t1 = '%' |)) ' %')) null then
Returns false;
on the other
Returns true;
end if;
EXCEPTION WHEN NO_DATA_FOUND THEN return false;
END;
But I recommend you my first suggestion.
Kind regards
Dimitri
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Tags: Database
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