Oracle Forms Raise Error Message
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Oracle Raise Exception With Message
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Oracle Predefined Exceptions
Exception With Custom SQLERRM up vote 45 down vote favorite 21 Is it possible to create user-defined exceptions and be able to change the SQLERRM? For example: DECLARE ex_custom EXCEPTION; BEGIN RAISE ex_custom; EXCEPTION WHEN ex_custom THEN DBMS_OUTPUT.PUT_LINE(SQLERRM); END; / The output is "User-Defined Exception". Is it possible to change that message? EDIT: Here is some more detail. I hope this one illustrates what I'm trying
Oracle Sqlerrm
to do better. DECLARE l_table_status VARCHAR2(8); l_index_status VARCHAR2(8); l_table_name VARCHAR2(30) := 'TEST'; l_index_name VARCHAR2(30) := 'IDX_TEST'; ex_no_metadata EXCEPTION; BEGIN BEGIN SELECT STATUS INTO l_table_status FROM USER_TABLES WHERE TABLE_NAME = l_table_name; EXCEPTION WHEN NO_DATA_FOUND THEN -- raise exception here with message saying -- "Table metadata does not exist." RAISE ex_no_metadata; END; BEGIN SELECT STATUS INTO l_index_status FROM USER_INDEXES WHERE INDEX_NAME = l_index_name; EXCEPTION WHEN NO_DATA_FOUND THEN -- raise exception here with message saying -- "Index metadata does not exist." RAISE ex_no_metadata; END; EXCEPTION WHEN ex_no_metadata THEN DBMS_OUTPUT.PUT_LINE('Exception will be handled by handle_no_metadata_exception(SQLERRM) procedure here.'); DBMS_OUTPUT.PUT_LINE(SQLERRM); END; / In reality, there are dozens of those sub-blocks. I'm wondering if there's a way to have a single user-defined exception for each of those sub-blocks to raise, but have it give a different message, instead of creating a separate user-defined exception for each sub-block. In .NET, it would be sort of like having a custom exception like this: public class ColorException : Exception { public ColorException(string message) : base(message) { } } And then, a method would have something like this: if (isRed) { throw new ColorException("Red is not allowed!"); } if (isBlack) { throw new ColorException("Black is
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How To Display Error Message In Oracle Forms
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http://www.dba-oracle.com/t_raise_application_error.htm RAISE_APPLICATION_ERROR tips Oracle Database Tips by Burleson Consulting March 3, 2015 Question: What does the PL/SQL raise_application_error code do? Answer: The raise_application_error is actually a procedure defined https://bytes.com/topic/oracle/answers/699031-how-get-backend-error-exception-forms-alert-front-end by Oracle that allows the developer to raise an exception and associate an error number and message with the procedure. This allows the application to raise application errors rather than just Oracle errors. Error oracle forms numbers are defined between -20,000 and -20,999. Oracle provides the raise_application_error procedure to allow you to raise custom error numbers within your applications. You can generate errors and their associated text starting with -20000 and proceeding through -20999 (a grand total of 1,000 error numbers that you can use). Below we illustrate the use of the raise_application_error procedure. Using the raise_application_error procedure: DECLARE Balance integer := 24; BEGIN pl sql exception IF (nBalance <= 100) THEN Raise_Application_Error (-20343, 'The balance is too low.');END IF;END; In this example, error number -20343 is raised if the value of nBalance isn't greater than 100, yielding a message that looks like this: ORA-20343: The balance is too low. All other numbers belong to Oracle for its own errors. The message can be anything that will fit in a varchar2(2000). The final parameter passed to the procedure is a Boolean(true/false) that tells the procedure to add this error to the error stack or replace all errors in the stack with this error. Passing the value of 'True' adds the error to the current stack, while the default is 'False'. SQL> create or replace procedure test_var2 (n_test IN number := 0,3 n_result OUT number)4 as5 begin 6 if n_test > 100 then7 raise_application_error(-20010,'Number Too Large');8 end if;9 n_result := n_test;10 end; 11 / Procedure created. SQL> declare2 n_numb number := &Number;3 n_2 number := 0;4 begin5 test_var(n_numb, n_2);6 dbms_output.put_line(n_2);7 end;8 /Enter value for number: 5old 2: n_numb number := &Number;new 2: n_numb number := 5;5 PL/SQL procedure successfully completed. SQL> /Enter value for number: 105old 2: n_numb number := &Number;new 2: n_numb number := 105; declare*ERROR at line 1:ORA-200+ Ask a Question Need help? Post your question and get tips & solutions from a community of 418,615 IT Pros & Developers. It's quick & easy. How to get the backend error/exception in forms alert at front end? P: 2 dilipdafda Hi all, I do not have the idea how could I get the backend error/exception message into forms6i application? I used RAISE_APPLICATION_ERROR(error_number, error_text) in DB table's trigger, I want the message in my front-end. However, I am getting the error that Oracle unable to insert and on pressing shift + F1 I am getting the message that I wrote in DB. But I want it as an alert. and can I give yes-no type alert there? for example create table test1(col1 number(2)); create trigger trg_test1 before insert on test1 for each row begin if col1 < 0 then raise_application_error(-20001, 'Negative value not allowed..!!'); end if; end; when this is done, create one form with database block for table test1 and try to insert negative value and save the transaction. it will give message oracle error, unable to insert, but not giving the message 'Negative value not allowed..!!' more over I don't want it on display line I want that message in alert. and let me know, if we could give yes-no type message and on that basis we could take the decision in backend. Dilip Dafda Aug 27 '07 #1 Post Reply Share this Question 3 Replies Expert 5K+ P: 8,127 debasisdas you need to trap the error number from RAISE-APPLICATION_ERROR in the frontend to get the desired output. Aug 27 '07 #2 reply P: 2 dilipdafda you need to trap the error number from RAISE-APPLICATION_ERROR in the frontend to get the desired output. No, its not accomplished, you didn't get my problem, I already tried the same. I am getting "unable to insert record" error, instead of that I want my error message. if I press shift + F1 then I am getting the msg. in the error box. but I want it as a normal alert that user receives. Also check for my other questions in the query. Aug 28 '07 #3 reply P: 18 nramrits This One Is Useful For U Pls Write This Code Into On-error Trigger In Form Level Message(dbms_error_code||'-'||dbms_error_text); Message(' ');-- It Display An Ora- Errors In Forms Or Message(error_code||'-'||error_text); Message(' ');-- It Display An Forms Errors Sep 5