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Syntax DBMS_UTILITY.CREATE_ALTER_TYPE_ERROR_TABLE( schema_name IN VARCHAR2, table_name IN VARCHAR2); Parameters Table 141-12 CREATE_ALTER_TYPE_ERROR_TABLE Procedure Parameters Parameter Description schema_name The name of the schema. CREATE OR REPLACE PACKAGE BODY plch_pkg IS PROCEDURE proc1 IS PROCEDURE nested_in_proc1 IS BEGIN DBMS_OUTPUT.put_line ($$plsql_unit); END; BEGIN nested_in_proc1; END; END plch_pkg; / Steven Feuerstein's biography and links to more of l_depth LOOP DBMS_OUTPUT.put_line( RPAD(i, 10) || RPAD(TO_CHAR(UTL_CALL_STACK.backtrace_line(i),'99'), 10) || UTL_CALL_STACK.backtrace_unit(i) ); END LOOP; DBMS_OUTPUT.put_line('***** Backtrace End *****'); END; / -- Run the test. In previous releases this information was displayed using the DBMS_UTILITY.FORMAT_ERROR_STACK function, as shown below. -- Procedure to display the call stack.

The existing functionality in the DBMS_UTILITY package is still available and has not been deprecated. SET SERVEROUTPUT ON EXEC test_pkg.proc_1; ***** Backtrace Start ***** Depth BTrace BTrace . Usage Notes This function should not be used with datablocks which belong to bigfile tablespaces. In some cases, exceptions in nested calls result in different errors being produced by the error handler of the calling routine.

CONCATENATE_SUBPROGRAM then obtains the fully qualified name of that subprogram. compatibility The compatibility setting of the database determined by the "compatible" init.ora parameter. Database as a Storage (DBaaS) vs. Therefore, an important distinction needs to be made between application code that needs to be logged and that which doesn't.

The UTL_CALL_STACK package contains APIs to display the backtrace. DBMS_UTILITY.FORMAT_CALL_STACK. SET SERVEROUTPUT ON EXEC test_pkg.proc_1; ***** Call Stack Start ***** Depth Lexical Line Owner Edition Name . SQL> create or replace procedure p2 2 as 3 begin 4 null; 5 p1; 6 end; 7 / Procedure created.

asked 5 years ago viewed 34039 times active 29 days ago Linked 1 Stored procedures with triggers oracle 11g 0 pl sql exception message 0 PL SQL handling exeception(get the query) With the error backtrace, the location in my code where the error was raised is found at ERROR_DEPTH, not 1. The thoughts expressed here are mine. SET SERVEROUTPUT ON EXEC test_pkg.proc_1; ***** Call Stack Start ***** Depth Lexical Line Owner Edition Name .

Just the Line Number, Please In a real-world application, the error backtrace could be very long. Return Values Parameter type: 0 if parameter is an INTEGER/BOOLEAN parameter 1 if parameter is a string/file parameter Usage Notes When using DBMS_UTILITY.GET_PARAMETER_VALUE, only the first parameter setting of /dir1 is If part1 is non-NULL, then the subprogram is within the package indicated by part1. It ignores comments of all sorts, and does no semantic analysis.

Finally, with the release of 10g, Oracle has added provision for PL/SQL developers to trap AND log exceptions accurately for the first time. SQL> With the exception of some minor formatting issues, this output is fine and will probably be OK for most situations. They might, for example, take screen scrapes of their scheduling systems' output as application logs and be satisfied with the level of information demonstrated above. SQL> BEGIN 2 EXECUTE IMMEDIATE 'garbage'; 3 EXCEPTION 4 WHEN OTHERS THEN 5 DBMS_OUTPUT.PUT_LINE( DBMS_UTILITY.FORMAT_ERROR_STACK ); 6 RAISE; 7 END; 8 / ORA-00900: invalid SQL statement BEGIN * ERROR at line

The object handle value is, for all practical purposes, “noise.” PL/SQL developers—outside of Oracle, at least—never use it. l_depth LOOP DBMS_OUTPUT.put_line( RPAD(i, 10) || RPAD('ORA-' || LPAD(UTL_CALL_STACK.error_number(i), 5, '0'), 10) || UTL_CALL_STACK.error_msg(i) ); END LOOP; DBMS_OUTPUT.put_line('***** Error Stack End *****'); END; / -- Run the test. Many systems, however, have a requirement to write application logs to files or tables. I built a utility to do this called the BT package.

The subprogram automatically switches to the edition in which the object is actual prior to invalidation. DBMS_UTILITY.FORMAT_ERROR_BACKTRACE generates extremely useful information. In many applications, however, we work to avoid unhandled exceptions. CURRENT_INSTANCE Function This function returns the current connected instance number.

Commas inside double quotes do not count. CREATE OR REPLACE PACKAGE test_pkg AS PROCEDURE proc_1; PROCEDURE proc_2; PROCEDURE proc_3; END; / CREATE OR REPLACE PACKAGE BODY test_pkg AS PROCEDURE proc_1 AS BEGIN proc_2; EXCEPTION WHEN OTHERS THEN display_backtrace; Syntax DBMS_UTILITY.ACTIVE_INSTANCES ( instance_table OUT INSTANCE_TABLE, instance_count OUT NUMBER); Parameters Table 141-4 ACTIVE_INSTANCES Procedure Parameters Procedure Description instance_table Contains a list of the active instance numbers and names. VALIDATE Procedure This procedure makes invalid database objects valid.

Missing values are left as NULL. to know the precise point at which a block of code failed. tab PL/SQL table which contains list of names. A data block address is the internal structure used to identify a block in the database.

If you simply want the name of the most recently executed subprogram, you will have to parse the string. Code Listing 5: Initialization procedure in bt.info PROCEDURE initialize_values IS BEGIN l_name_start_loc := INSTR (backtrace_in, c_name_delim, 1, 1); l_dot_loc := INSTR (backtrace_in, c_dot_delim); l_name_end_loc := INSTR (backtrace_in, c_name_delim, 1, 2); l_line_loc Alternatively, any application that checks the DBMS_OUTPUT output buffers can invoke this subprogram and then retrieve the output by means of DBMS_OUTPUT subprograms such as GET_LINES. Impact of Multiple RAISEs An exception often occurs deep within the execution stack.

hash_size Desired size of the hash table. part1 First part of the name. If no value is specified for this parameter then the PL/SQL compiler settings are left unchanged, that is, equivalent to REUSE SETTINGS. I then re-raise the same exception using the RAISE statement.

Examples CREATE OR REPLACE PROCEDURE Log_Errors ( i_buff in varchar2 ) IS g_start_pos integer := 1; g_end_pos integer; FUNCTION Output_One_Line RETURN BOOLEAN IS BEGIN g_end_pos := Instr ( i_buff, Chr(10), g_start_pos Syntax DBMS_UTILITY.NAME_RESOLVE ( name IN VARCHAR2, context IN NUMBER, schema OUT VARCHAR2, part1 OUT VARCHAR2, part2 OUT VARCHAR2, dblink OUT VARCHAR2, part1_type OUT NUMBER, object_number OUT NUMBER); Parameters Table 141-23 NAME_RESOLVE SQL> Starting with the call to DISPLAY_CALL_STACK, we can work back through all the nested calls to the original anonymous block. From this behavior, we can conclude that DBMS_UTILITY.FORMAT_ERROR_BACKTRACE shows the trace of execution back to the last RAISE in one's session.

Although the package name sounds as though it only provides information about the execution call stack, it also offers access to the error stack and error backtrace data. Consider this simple chain of program calls in Listing 1: procedure proc3 calls proc2 calls proc1 , at which point proc1 raises the NO_DATA_FOUND exception. ANALYZE_DATABASE Procedure This procedure analyzes all the tables, clusters and indexes in a database. Syntax DBMS_UTILITY.FORMAT_ERROR_STACK RETURN VARCHAR2; The output from this function can be up to 2000 bytes in length.

Also introduced in Oracle7, the DBMS_UTILITY.FORMAT_ERROR_STACK built-in function, like SQLERRM, returns the message associated with the current error (the value returned by SQLCODE). I want to... instance_count Number of active instances. If we wanted to, we could have displayed the output in reverse order, starting at the top-level call. -- Procedure to display the call stack.

Same as the OWNER field in ALL_OBJECTS. TABLE_TO_COMMA Procedures These procedures converts a PL/SQL table of names into a comma-delimited list of names. Why are Spanish adverbs formed using the feminine? Now, Let's call p3: SQL> BEGIN 2 DBMS_OUTPUT.put_line ('calling p3'); 3 p3; 4 END; 5 / BEGIN * ERROR at line 1: ORA-06502: PL/SQL: numeric or value error ORA-06512: at "HR.P1",

UTL_CALL_STACK is not supported past remote procedure call boundaries. Pragmas pragma restrict_references(get_hash_value, WNDS, RNDS, WNPS, RNPS); Return Values A hash value based on the input string.