sesam_rollback
(PHP 3 CVS only)
sesam_rollback --
Discard any pending updates to the SESAM database
Description
bool
sesam_rollback ( void )
Returns: TRUE on success,
FALSE on errors
sesam_rollback() discards any pending updates
to the database. Also affected are result cursors and result
descriptors.
At the end of each script, and as part of the
sesam_disconnect() function, an implied
sesam_rollback() is executed, discarding any
pending changes to the database.
See also: sesam_commit().
例子 1. Discarding an update to the SESAM database
<?php
if (sesam_connect ("mycatalog", "myschema", "otto")) {
if (sesam_execimm ("INSERT INTO mytable VALUES (*, 'Small Test', <0, 8, 15>)")
&& sesam_execimm ("INSERT INTO othertable VALUES (*, 'Another Test', 1)")) {
sesam_commit();
} else {
sesam_rollback();
}
}
?>
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