12.52 WHENEVER OSERROR

Syntax

WHENEVER OSERROR {EXIT [SUCCESS | FAILURE | n | variable | :BindVariable]  [COMMIT | ROLLBACK] | CONTINUE [COMMIT | ROLLBACK | NONE]}

Performs the specified action (exits SQL*Plus by default) if an operating system error occurs (such as a file writing error).

Terms

 [SUCCESS | FAILURE | n | variable | :BindVariable]

Directs SQL*Plus to perform the specified action as soon as an operating system error is detected. You can also specify that SQL*Plus return a success or failure code, the operating system failure code, or a number or variable of your choice.

EXIT [SUCCESS | FAILURE | n | variable | :BindVariable]

Directs SQL*Plus to exit as soon as an operating system error is detected. You can also specify that SQL*Plus return a success or failure code, the operating system failure code, or a number or variable of your choice. See EXIT for more information.

CONTINUE

Turns off the EXIT option.

COMMIT

Directs SQL*Plus to execute a COMMIT before exiting or continuing and save pending changes to the database.

ROLLBACK

Directs SQL*Plus to execute a ROLLBACK before exiting or continuing and abandon pending changes to the database.

NONE

Directs SQL*Plus to take no action before continuing.

Usage

If you do not enter the WHENEVER OSERROR command, the default behavior of SQL*Plus is to continue and take no action when an operating system error occurs.

If you do not enter the WHENEVER SQLERROR command, the default behavior of SQL*Plus is to continue and take no action when a SQL error occurs.

Examples

If a failure occurs when reading from the output file, the commands in the following script cause SQL*Plus to exit and COMMIT any pending changes:

WHENEVER OSERROR EXIT
START no_such_file
OS Message: No such file or directory
Disconnected from Oracle......