How To Find Error Line Number In Pl/sql
For example, this statement has an error on line 4: declare v_count number; v_bad_sql varchar2(32767) := 'SELECT X FROM TABLEX'; begin execute immediate v_bad_sql into v_count; exception when others then begin For user-defined errors, it returns 1 by default… declare e_no_cat exception; begin raise e_no_cat; exception when e_no_cat then dbms_output.put_line(sqlcode); end; / 1 PL/SQL procedure successfully completed. …unless you associate the exception PL/SQL offers two mechanisms for raising an exception: The RAISE statement The RAISE_APPLICATION_ERROR built-in procedure The RAISE statement. Because a block can reference only local or global exceptions, enclosing blocks cannot reference exceptions declared in a sub-block.
If there is no handler for a user-defined exception, the calling application gets the following error: ORA-06510: PL/SQL: unhandled user-defined exception Reraising a PL/SQL Exception Sometimes, you want to reraise an What does the image on the back of the LotR discs represent? The developer of the application might even like to display that critical information to the users so that they can immediately and accurately report the problem to the support staff. If you need to pass an application-specific message back to your users when an error occurs, you should call the RAISE_APPLICATION_ERROR built-in procedure. https://docs.oracle.com/cd/A97630_01/appdev.920/a96624/07_errs.htm
How To Find Error Line Number In Pl/sql
DECLARE pe_ratio NUMBER(3,1); BEGIN SELECT price / earnings INTO pe_ratio FROM stocks WHERE symbol = 'XYZ'; -- might cause division-by-zero error INSERT INTO stats (symbol, ratio) VALUES ('XYZ', pe_ratio); COMMIT; EXCEPTION Senior MemberAccount Moderator Minto, At least read the original post before answering. share|improve this answer answered Jul 8 '13 at 16:55 Sadia Aziz 283 3 That ... a Website that offers online quizzes for the PL/SQL language.
In terms of retrieving the error stack, it would appear that a combination of SQLERRM and DBMS_UTILITY.FORMAT_ERROR_BACKTRACE offer the most comprehensive and reliable information. The example only works for selects. I write a lot of PL/SQL that is used by customers frontends, and I like to log my errors before raising them since I don't have control over the frontends handling Pl/sql Line Number This chapter discusses the following topics: Overview of PL/SQL Error Handling Advantages of PL/SQL Exceptions Predefined PL/SQL Exceptions Defining Your Own PL/SQL Exceptions How PL/SQL Exceptions Are Raised How PL/SQL Exceptions
LOOP -- could be FOR i IN 1..10 LOOP to allow ten tries BEGIN -- sub-block begins SAVEPOINT start_transaction; -- mark a savepoint /* Remove rows from a table of survey However, exceptions cannot propagate across remote procedure calls (RPCs). Suppose I run the following block in a SQL*Plus session: BEGIN DELETE FROM employees WHERE department_id = 20; UPDATE employees SET salary = salary * 200; EXCEPTION WHEN OTHERS THEN DECLARE http://www.oracle.com/technetwork/issue-archive/2012/12-mar/o22plsql-1518275.html Having upgraded to Oracle Database 10g, I can now revisit my proc3 procedure and replace the call to FORMAT_ERROR_STACK with FORMAT_ERROR_BACKTRACE , as shown in Listing 2.
One example is ORA-00001, which is assigned the name DUP_VAL_ON_INDEX in PL/SQL and is raised when a unique index constraint is violated. Pl Sql Exception Handling Examples So, only an OTHERS handler can catch the exception. You could simply record information about an error and then not reraise the exception. This article explores the problem that this function solves and how best to use it.
How To Find Which Line Error Was Raised In Oracle
If I ever need to change the structure of the error_log table, I will have to change all the INSERT statements to accommodate this change. Subsequent calls to SQLCODE and SQLERRM will return these values. How To Find Error Line Number In Pl/sql The optional OTHERS exception handler, which is always the last handler in a block or subprogram, acts as the handler for all exceptions not named specifically. Dbms_utility.format_error_backtrace Example In Oracle Email check failed, please try again Sorry, your blog cannot share posts by email. %d bloggers like this: Members Search Help Register Login Home Home» SQL & PL/SQL» SQL & PL/SQL»
Why does a full moon seem uniformly bright from earth, shouldn't it be dimmer at the "border"? SUBSCRIPT_OUTSIDE_LIMIT Your program references a nested table or varray element using an index number (-1 for example) that is outside the legal range. Thanks. The first line of the stack is where the exception was raised. Oracle Error Stack Trace
Place the sub-block inside a loop that repeats the transaction. Consider the following example: DECLARE pe_ratio NUMBER(3,1); BEGIN DELETE FROM stats WHERE symbol = 'XYZ'; BEGIN ---------- sub-block begins SELECT price / NVL(earnings, 0) INTO pe_ratio FROM stocks WHERE symbol = If no exception has been raised, SQLCODE returns zero and SQLERRM returns the message: ORA-0000: normal, successful completion. In OCI an ErrorHandle is a vector of strings.
I don't use it everywhere, just in spots where it would be even more tedious to track down bugs without it. Pl Sql Call Stack Report message to a moderator Re: How to get Error Line Number in PL/SQL in Exception Block [message #325185 is a reply to message #325182] Thu, 05 June Handling Raised PL/SQL Exceptions When an exception is raised, normal execution of your PL/SQL block or subprogram stops and control transfers to its exception-handling part, which is formatted as follows: EXCEPTION
Just before we test it on Admiral Archer's prize beagle … create or replace package body transporter as function find_target return varchar2 is l_silly number; begin l_silly := 'Location or velocity
Even if that isn't the case ... Instead, you must assign their values to local variables, then use the variables in the SQL statement, as shown in the following example: DECLARE err_num NUMBER; err_msg VARCHAR2(100); BEGIN ... User-defined exceptions can be associated with an internally defined exception (that is, you can give a name to an otherwise unnamed exception) or with an application-specific error. Format_error_stack Vs Format_error_backtrace In almost every situation when an error occurs, you really do want to make sure that the person or the job running the code that raised the error is informed.
If we tweak the package once more to set this parameter to true… create or replace package body transporter as function find_target return varchar2 is begin raise_application_error(-20003, 'Location or velocity unknown', generate error exception when others then dbms_output.put_line( dbms_utility.format_call_stack() || chr(10) || dbms_utility.format_error_backtrace() || chr(10) || dbms_utility.format_error_stack()) end; share|improve this answer answered Apr 24 '13 at 9:02 haki 4,55342051 2 SQL I can now very easily get around the problem of rolling back my error log INSERT along with my business transaction. Fortunately we also have… SQLERRM This function takes in an error number and returns the relevant message : begin dbms_output.put_line(sqlerrm(-6502)); end; / ORA-06502: PL/SQL: numeric or value error PL/SQL procedure successfully
A pragma is a compiler directive that is processed at compile time, not at run time. SQL> Now we have the original error. User-defined exceptions must be raised explicitly by RAISE statements, which can also raise predefined exceptions. Advantages of PL/SQL Exceptions Using exceptions for error handling has several advantages.
Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your WordPress.com account. (LogOut/Change) You are Here is an example to illustrate the second approach: SQL> CREATE OR REPLACE PROCEDURE p1 2 IS 3 BEGIN 4 DBMS_OUTPUT.put_line ('in p1, raising error'); 5 RAISE VALUE_ERROR; 6 EXCEPTION 7