Skip to Main Content
Advanced Oracle PL/SQL Programming with Packages
book

Advanced Oracle PL/SQL Programming with Packages

by Steven Feuerstein
October 1996
Intermediate to advanced content levelIntermediate to advanced
687 pages
16h 41m
English
O'Reilly Media, Inc.
Content preview from Advanced Oracle PL/SQL Programming with Packages

5.10. PLVexc: Exception Handling

The PLVexc (PL/Vision EXCeption handling) package provides generic and powerful exception-handling capabilities. See Chapter 22 for details.

5.10.1. Package constants

c_go CONSTANT CHAR(1) := 'C';

Requests that your program continue (ignore the error). Explained in more detail below.

c_recNgo CONSTANT CHAR(2) := 'RC';

Requests that your program record the error and then continue. Explained in more detail below.

c_stop CONSTANT CHAR(1) := 'H';

Requests that your program be halted if this exception occurs. Explained in more detail below.

c_recNstop CONSTANT CHAR(2) := 'RH';

Requests that your program record the error and then halt. Explained in more detail below.

5.10.2. Package-based exceptions

process_halted EXCEPTION;

Package-specific exception raised when you request a "halt" action in the handler programs.

no_such_table EXCEPTION;
PRAGMA EXCEPTION_INIT (no_such_table, -942);

Predefined system exception for error ORA-942. Saves other developers from dealing with the EXCEPTION_INIT pragma.

snapshot_too_old EXCEPTION;
PRAGMA EXCEPTION_INIT (snapshot_too_old, -1555);

Predefined system exception for error ORA-1555. Saves other developers from dealing with the EXCEPTION_INIT pragma.

5.10.3. Logging exception-handling activity

PROCEDURE log;

Requests that whenever a PLVexc handler is called, a message is sent to the PL/Vision log.

PROCEDURE nolog;

Do not log the handling action when the exception is recorded and handled. with the COMMIT. ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Oracle Database 12c PL/SQL Programming

Oracle Database 12c PL/SQL Programming

Michael McLaughlin
Oracle PL/SQL for DBAs

Oracle PL/SQL for DBAs

Arup Nanda, Steven Feuerstein
Expert Oracle PL/SQL

Expert Oracle PL/SQL

Ron Hardman, Michael McLaughlin

Publisher Resources

ISBN: 1565922387Supplemental ContentCatalog PageErrata