sesam_rollback
(No version information available, might be only in CVS)
sesam_rollback — Discard any pending updates to the SESAM database
说明
bool sesam_rollback
( void
)
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.
返回值
如果成功则返回 TRUE，失败则返回 FALSE。
范例
Example#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();
}
}
?>
