v$sql से पूछताछ न करें; ora_sql_txt का उपयोग करके स्टेटमेंट प्राप्त करें।
CREATE OR REPLACE TRIGGER log_server_errors
AFTER SERVERERROR
ON DATABASE
DECLARE
sql_text ora_name_list_t;
stmt clob;
n number;
BEGIN
n := ora_sql_txt(sql_text);
if n > 1000 then n:= 1000; end if ;
FOR i IN 1..n LOOP
stmt := stmt || sql_text(i);
END LOOP;
INSERT INTO servererror_log
(error_datetime, error_user, db_name,
error_stack, captured_sql)
VALUES
(systimestamp, sys.login_user, sys.database_name,
dbms_utility.format_error_stack, stmt);
commit;
END log_server_errors;
/
फिर:
SQL> select * from c;
यह पैदा करता है:
select * from c
*
ERROR at line 1:
ORA-00942: table or view does not exist
यह अब पूछताछ की जा सकती है:
select * from servererror_log;
उत्पादन करने के लिए:
ERROR_DATETIME
---------------------------------------------------------------------------
ERROR_USER DB_NAME
------------------------------ ---------
ERROR_STACK
--------------------------------------------------------------------------------
CAPTURED_SQL
--------------------------------------------------------------------------------
11-FEB-09 02.55.35.591259 PM
SYS TS.WORLD
ORA-00942: table or view does not exist
select * from c
